[1], Various oxidized forms of lead are easily reduced to the metal. Safety, health and environmental regulations/legislation specific for the substance or mixtureGHS label elements, including precautionary statementsHazard pictogramsGHS07 GHS08Signal word DangerHazard statementsH302+H332 Harmful if swallowed or if inhaled.H360 May damage fertility or the unborn child.H373 May cause damage to organs through prolonged or repeated exposure.Precautionary statementsP260 Do not breathe dust/fume/gas/mist/vapors/spray.P261 Avoid breathing dust/fume/gas/mist/vapors/spray.P281 Use personal protective equipment as required.P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.P405 Store locked up.P501 Dispose of contents/container in accordance with local/regional/national/international regulations.National regulationsAll components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical substance Inventory.All components of this product are listed on the Canadian Domestic Substances List (DSL).SARA Section 313 (specific toxic chemical listings)1317-36-8 Lead(II) oxideCalifornia Proposition 65Prop 65 - Chemicals known to cause cancer1317-36-8 Lead(II) oxideProp 65 - Developmental toxicity Substance is not listed.Prop 65 - Developmental toxicity, female Substance is not listed.Prop 65 - Developmental toxicity, male Substance is not listed.Information about limitation of use: For use only by technically qualified individuals.Other regulations, limitations and prohibitive regulationsSubstance of Very High Concern (SVHC) according to the REACH Regulations (EC) No. It does not reacts with alkaline solution, but reacts with solid alkalis to give hydroxyplumbates, or with basic oxides to give plumbates. Heating lead carbonate with hydrogen fluoride yields the hydrofluoride, which decomposes to the difluoride when it melts. Currently lead acid battery producers are the biggest consumer of lead oxides and red lead produced within PENOX Group. Lead oxides are a group of inorganic compounds with formulas including lead (Pb) and oxygen (O). Lead monoxide, Lead(2+) oxide, Lead protoxide, Plumbous oxide, lead(2+); oxygen(2-), Lead monooxide, Litharge, Massicot, CAS 79120-33-5. It dissolves in strong bases to form the hydroxy plumbate ion, [Pb (OH) 6] 2: [2] PbO 2 + 2 NaOH + 2 H 2 O Na 2 [Pb (OH) 6] It also reacts with basic oxides in the melt, yielding orthoplumbates M 4 [PbO 4 ]. Also, azarcn, a Mexican folk remedy for gastrointestinal disorders, contains up to 95% lead(II,IV) oxide. Other dihalides are received upon heating lead(II) salts with the halides of other metals; lead dihalides precipitate to give white orthorhombic crystals (diiodide form yellow hexagonal crystals). Periodic table of the elements, materials science and academic information, elements and advanced materials data, scientific presentations and all pages, designs, concepts, logos, and color schemes herein are the copyrighted proprietary rights and intellectual property of American Elements. When heated to 500C, it decomposes to lead(II) oxide and oxygen. The reaction of Pb3O4 with nitric acid produces the dioxide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. Lead dioxide is representative of the +4 oxidation state, and is a powerful oxidizing agent. O A vivid red or orange block, it is used in the manufacturing of batteries as a pigment, and rustproof priming paints. Other less dominant applications include the vulcanization of rubber and the production of certain pigments and paints. Lead oxide (PbO 2, with lead as the Pb 4+ ion) is among the stronger oxidizing agents in acidic solution, but it is comparatively weak in alkaline solution. Black lead is made for specific use in the manufacture of lead The exact mass and the monoisotopic mass of Lead dioxide is 239.966 g/mol. cm and which is exploited in various electrochemical applications. Diagram showing the solubility of lead in chloride media. It is composed of lead in its +4 oxidation state. Lead(II,IV) oxide was shown to be carcinogenic for laboratory animals. In case of high dose, the victim experiences a metallic taste, chest pain, and abdominal pain. Synthesis, Characterization, Applications, and Toxicity of Lead Oxide On this Wikipedia the language links are at the top of the page across from the article title. It finds limited use in some amateur pyrotechnics as a delay charge and was used in the past in the manufacture of dragon's egg pyrotechnic stars. At the. tanker trucks. 0000006164 00000 n 54 0 obj<>stream Litharge is mainly used in the glass, ceramics, chemical and mining (to produce lead acetates) industries. The sulfide can also be precipitated from acetate solutions. [8] When PbO occurs in tetragonal lattice structure it is called litharge; and when the PbO has orthorhombic lattice structure it is called massicot. It causes irritation to skin, eyes, and respiratory tract. Lead oxide has a density of 9.38 g/cm3. Therefore, there is an urgent need to develop new approaches and standardized test procedures to study the potential hazardous effect of nanoparticles on the human health and environment. It is a dark brown toxic powder. Lead oxide (PbO), lead-contg. [11], The metal is not attacked by sulfuric or hydrochloric acids. Product Number: All applicable American Elements product codes, e.g. lead dioxide reacts with hot acids, since Pb4, cation is very instable, it converts in to stable Pb2, The inorganic compound with the formula Pb. Lead and copper electrodes are immersed in sulfuric acid flowing at a rate of 510L/min. PDF AP-42, CH 12.16: Lead Oxide And Pigment Production - US EPA 0000005164 00000 n Learn more about the Structure, physical and chemical properties of PbO2 from the experts at BYJUS. The charge is the Roman Numeral in parentheses.2. Structure: Lead IV Oxide Has A Crystal Hexagonal Structure, ) is an amphoteric compound with prevalent acidic properties. At the positive electrode, the chemical reaction is PbO2 + SO/4 + 4H+ + 2e PbSO4 + 2H2O + (1.68 V). Information on toxicological effectsAcute toxicity:Harmful if inhaled.Harmful if swallowed.The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for this substance.LD/LC50 values that are relevant for classification: No dataSkin irritation or corrosion: May cause irritationEye irritation or corrosion: May cause irritationSensitization: No sensitizing effects known.Germ cell mutagenicity: The Registry of Toxic Effects of Chemical Substances (RTECS) contains mutation data for this substance.Carcinogenicity:EPA-B2: Probable human carcinogen, sufficient evidence from animal studies; inadequate evidence or no data from epidemiologic studies.NTP-R: Reasonably anticipated to be a carcinogen: limited evidence from studies in humans or sufficient evidence from studies in experimental animals.ACGIH A3: Animal carcinogen: Agent is carcinogenic in experimental animals at a relatively high dose, by route(s) of administration, at site(s), of histologic type(s),or by mechanism(s) not considered relevant to worker exposure. 0000001461 00000 n Ask an American Elements Materials Science Engineer, Publish your research on the American Elements website, Case Studies of selected key technologies invented or co-invented by American Elements in just the 1st two decades of this century, P201-P260-P263-P280-P301 + P312 + P330-P308 + P313. 12.16 Lead Oxide And Pigment Production 12.16.1 General1-2,7 Lead oxide is a general term and can be either lead monoxide or "litharge" (PbO); lead tetroxide or "red lead" (Pb3O4); or black or "gray" oxide which is a mixture of 70 percent lead monoxide and 30 percent metallic lead. Within PENOX Group red lead is produced in two steps using batch and continuous operating furnaces. It can bioaccumulate in plants and in mammals.[19]. Lead oxide, red MSDS Section 1: Chemical Product and Company Identification Product Name: Lead oxide, red Catalog Codes: SLL1279 CAS#: 1314-41-6 RTECS: OG5425000 TSCA: TSCA 8(b) inventory: Lead oxide, red CI#: Not available. Electronic Level Alignment at an Indium Tin Oxide/PbI2 Interface and Its Applications for Organic Electronic Devices. Lead(II) forms a series of complexes with chloride, the formation of which alters the corrosion chemistry of the lead. The lead concentrations are plotted as a function of the total chloride present. Lead compounds are poisons. Risk assessment should be performed to determine if airpurifyingrespirators are appropriate. At the. Applications Products Services Support. All rights reserved. The lead atom has a radius of 175 pm and a Van der Waals radius of 202 pm. [3] Lead dioxide dissolves in alkali hydroxide solutions to form the corresponding plumbates.[2]. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. Among the halides, the iodide is less soluble than the bromide, which, in turn, is less soluble than the chloride. PB2-OX-02-C Lead dioxide anodes are inexpensive and were once used instead of conventional platinum and graphite electrodes for regenerating potassium dichromate. The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. [3], PbO may be prepared by heating lead metal in air at approximately 600C (1,100F). The final product quality is adjusted to the customer application in terms of Pb3O4 content, grain size distribution and tamped density. trailer When heated with nitrates of alkali metals, metallic lead oxidizes to form PbO (also known as litharge), leaving the corresponding alkali nitrite. PbO is used in certain condensation reactions in organic synthesis.[18]. On this Wikipedia the language links are at the top of the page across from the article title. Both the lead and lead oxide are in a solution of sulfuric acid (H2SO4) and water (H2O). [15] The PbC bond energies in TML and TEL are only 167 and 145kJ/mol; the compounds thus decompose upon heating, with first signs of TEL composition seen at 100C (210F). In the ancient and medieval periods it was used as a pigment in the production of illuminated manuscripts, and gave its name to the minium or miniature, a style of picture painted with the colour. 0000001037 00000 n It also dissolves in glacial acetic acid and a diluted mixture of nitric acid and hydrogen peroxide. The Molar mass of lead oxide is 239.1988 g/mol. From: Encyclopedia of Analytical Science (Second Edition), 2005. No coordinated lead fluorides exist (except the unstable PbF+ cation). 0000005300 00000 n if lime is replaced by lead oxide (PbO) and if potash (K2O) is used as a partial replacement for soda, lead-alkali-silicate glasses result that have lower softening points than lime glasses. Modern applications for PbO are mostly in lead-based industrial glass and industrial ceramics, including computer components. Enter email to auto receive SDS. See more Lead products. 31 0 obj <> endobj Red lead can be supplied in different grades matching the needs of batteries, optical or crystal glass, paints, frits for ceramics, technical ceramics and specific plastic compounds. The former has two allotropes: -PbO and -PbO, both with layer structure and tetracoordinated lead. 0000001661 00000 n In electricity: Electromotive force. With production plants located in Germany, Spain, Mexico and Korea, PENOX is a global supplier who provides lead oxides, additives and engineering services to battery producers all around the world. It affects gum tissue, the central nervous system, the kidneys, the blood, and the reproductive system. [6], The dioxide may be prepared by, for example, halogenization of lead(II) salts. Read More. It dissolves in nitric acid with the evolution of nitric oxide gas to form dissolved Pb(NO3)2. PENOX Group is able to offer a range of different product grades of constant quality and high purity. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. In 1884 it was discovered that barium oxide had the effect of raising the refractive index without increasing the dispersion, a property that proved to be of the greatest, extent, painted their faces with lead oxide for a pale complexion and cinnabar (mercuric sulfide) for rouge. It dissolves in dilute nitric acid, hydrochloric . What color is lead oxide? - KnowledgeBurrow.com hydroxy plumbate ion, [Pb(OH)6]2 is formed when lead oxide is dissolved in strong base. Heat carefully at first, then strongly with a hot Bunsen flame, until the mixture becomes molten and runny. Lead (IV) oxide is an inorganic compound which is amphoteric in nature and has an oxidation state of +4. 1907/2006.This substance is included in the Candidate List of Substances of Very High Concern (SVHC) according to Regulation (EC) No. NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. Chemical Properties: Let,s check some of the lead iv oxide chemical reactions . The complexation depends on halide ion numbers, atomic number of the alkali metal, the halide of which is added, temperature and solution ionic strength. An example is heating PbO with mild organic reducing agents such as glucose. / Substance Name:1317-36-8 Lead(II) oxideIdentification number(s):EC number: 215-267-0Index number: 082-001-00-6, Description of first aid measuresIf inhaled:Supply patient with fresh air. caF& *qZG"6n8hD kYS.f^ePe5EuE pVn'^Bq$f@^{>I3+/6K/)mp|~a%{NZ',T5gJ:r>-aPFxAXa}]R %PM\8hy?o^`N g%Z >Cous$7ld^k\L KMV[ KvQOXd"L$K$$SiZXiJy8[FQE;Z *[*jKf" [~ Used as an anode material in electrochemistry. 0000001170 00000 n PENOX Group is one of the worlds largest producers of lead oxides, with a clear focus to serve the lead-acid battery sector. 2 The compounds dissolve in nitric and hydrochloric acids, to give elemental sulfur and hydrogen sulfide, respectively. [5] Thanks to the similarity, both allotropes can exist under standard conditions (beta with small (105 relative) impurities, such as Si, Ge, Mo, etc.). Quality will vary from manufacturer to manufacturer.Material of gloves Nitrile rubber, NBRPenetration time of glove material (in minutes) No data availableEye protection: Safety glassesBody protection: Protective work clothing. PbO. It is a component of lead paints. Lead also has an oxide with mixed +2 and +4 oxidation states, red lead (Pb3O4), also known as minium. Sonochemical synthesis of two novel Pb(II) 2D metal coordination polymer complexes: New precursor for facile fabrication of lead(II) oxide/bromide micro-nanostructures. Red lead was used for engineer's scraping, before being supplanted by engineer's blue. During thermal oxidation of lead, first a PbO layer forms on the metal surface, followed by an oxidation reaction that proceeds via a solid . With acids, it forms salts of Pb2+ via the intermediacy of oxo clusters such as [Pb6O(OH)6]4+. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). PENOX Group is able to supply all grades of lead oxide with specific characteristics to achieve modern battery requirements including Start-Stop but also for high temperature applications . Preparation of MnO2-modified graphite sorbents from spent Li-ion batteries for lead, cadmium and silver contaminated water treatment. Lead (atomic symbol: Pb, atomic number: 82) is a Block P, Group 14, Period 6 element with an atomic radius of 207.2. Pb?O? Lead Oxide. Keep unprotected persons away.Ensure adequate ventilationEnvironmental precautions: Do not allow product to enter drains, sewage systems, or other water courses.Methods and materials for containment and cleanup:Dispose of contaminated material as waste according to section 13.Ensure adequate ventilation.Prevention of secondary hazards: No special measures required.Reference to other sectionsSee Section 7 for information on safe handlingSee Section 8 for information on personal protection equipment.See Section 13 for disposal information. Material Safety Data Sheet or SDS for Lead (II) oxide 107401 from Merck for download or viewing in the browser. The best known natural specimens come from Broken Hill, New South Wales, Australia, where they formed as the result of a mine fire.[5]. Omissions? Consult a physician.If swallowed:Seek medical treatment.Information for doctorMost important symptoms and effects, both acute and delayed:No data availableIndication of any immediate medical attention and special treatment needed:No data available. These salts are all poorly soluble in water. Its carcinogenicity for humans was not proven. This set index page lists chemical . Updates? The metal is not attacked by sulfuric or hydrochloric acids. Adding PbO to industrial ceramics (as well as glass) makes the materials more magnetically and electrically inert (by raising their Curie temperature) and it is often used for this purpose. Additional information about design of technical systems:Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.Control parametersComponents with limit values that require monitoring at the workplace:1317-36-8 Lead(II) oxide (100.0%)PEL (USA) Long-term value: 0.05 mg/m3as Pb; See 29 CFR 1910.1025REL (USA) Long-term value: 0.05* mg/m3as Pb;*8-hr TWA; See Pocket Guide App. It is an oxide where lead is in an oxidation state of +4. The alpha allotrope is red-colored and has the PbO distance of 230pm; the beta allotrope is yellow-colored and has the PbO distance of 221 and 249pm (due to asymmetry). Lead oxide (PbO) nanoparticles were chemically synthesized using Lead (II) acetate as precursor. The tetralkyl deratives contain lead(IV); the PbC bonds are covalent. 0000006276 00000 n [8] The tetrafluoride, a yellow crystalline powder, is unstable. Required fields are marked *. Q#U4Y"t5:5fV;B+VKW-h[n`E1mu:O3"`-Q7_. Lead Oxide - an overview | ScienceDirect Topics Lead(II) sulfate is poorly soluble, as can be seen in the following diagram showing addition of SO24 to a solution containing 0.1M of Pb2+. The ease of oxidation of lead is enhanced by complex formation. Synonym: Lead tetroxide Chemical Name: Lead tetroxide Chemical Formula: Pb3O4 Contact Information: Sciencelab.com, Inc . Lead Oxide: Mineral information, data and localities. Like metals, these materials have overlapping electron energy bands and are therefore excellent electronic conductors. Lead dioxide electrodes have a dual action, that is both the lead and oxygen ions take part in the electrochemical reactions. %PDF-1.4 % It is also used as an adultering agent in turmeric powder. Long-term contact with lead(II,IV) oxide may lead to accumulation of lead compounds in organisms, with development of symptoms of acute lead poisoning. All oxide types have specific product characteristics such as acid absorption, water absorption , particle size distribution and tamped density values related to the reactivity of the oxide. CTLV (USA) Long-term value: 0.05 mg/m3as Pb; BEIEL (Canada) Long-term value: 0.05 mg/m3as Pb; IARC 2A, REV (Canada) Long-term value: 0.05 mg/m3as Pb, Skin (organic compounds)Ingredients with biological limit values:1317-36-8 Lead(II) oxide (100.0%)BEI (USA) 30 g/100 mlMedium: bloodTime: not criticalParameter: LeadAdditional information: No dataExposure controlsPersonal protective equipmentFollow typical protective and hygienic practices for handling chemicals.Keep away from foodstuffs, beverages and feed.Remove all soiled and contaminated clothing immediately.Wash hands before breaks and at the end of work.Store protective clothing separately.Maintain an ergonomically appropriate working environment.Breathing equipment: Use suitable respirator when high concentrations are present.Recommended filter device for short term use:Use a respirator with type P100 (USA) or P3 (EN 143) cartridges as a backup to engineering controls. Studies the effects of ultrasonic irradiation and dielectric constants of solvents on formation of lead(II) supramolecular polymer; new precursors for synthesis of lead(II) oxide nanoparticles. 12.16 Lead Oxide And Pigment Production 12.16.1 General1-2,7 Lead oxide is a general term and can be either lead monoxide or "litharge" (PbO); lead tetroxide or "red lead" (Pb3O4); or black or "gray" oxide which is a mixture of 70 percent lead monoxide and 30 percent metallic lead. Taking great care, remove the Bunsen flame from underneath the crucible, then use tongs to remove the lid and lift the crucible off the tripod. Plumbic oxide is treated, when lead chloride is treated with sodium hypochlorite (NaClO). LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY. Within PENOX Group our factories in Ohrdruf/Germany and Monterrey/Mexico are producing litharge in a two steps oxidation process. , PB2-OX-03-C Lead oxide (PbO), lead-contg. | OPb - PubChem storage batteries. Inorganic lead(IV) compounds are typically strong oxidants or exist only in highly acidic solutions. Lead dioxide is used in the manufacture of matches, pyrotechnics, the curing of sulfide polymers and dyes. Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula PbO. Chronic poisoning displays as agitation, irritability, vision disorders, hypertension, and a grayish facial hue. Anglesite, cerussite, and minim are other common lead containing minerals. It dissolves in nitric acid with the evolution of nitric oxide gas to form dissolved Pb(NO 3) 2. The PENOX Group has a profound understanding of the It dissolves in nitric acid with the evolution of nitric oxide gas to form dissolved Pb(NO3)2. Thermal decomposition of lead(II) nitrate or lead(II) carbonate also results in the formation of PbO: PbO is produced on a large scale as an intermediate product in refining raw lead ores into metallic lead. With the widespread use of cosmetics, it was noticed that paler faces were easier to see in dim light. Depending on the glass, the benefit of using PbO in glass can be one or more of increasing the refractive index of the glass, decreasing the viscosity of the glass, increasing the electrical resistivity of the glass, and increasing the ability of the glass to absorb X-rays. Lead oxide can occur as a transition form in oxidation/reduction process of the PbO2 /Pb (II) couple. Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula Pb O.PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure.Modern applications for PbO are mostly in lead-based industrial glass and industrial ceramics, including computer components. Red lead is used as a curing agent in some polychloroprene rubber compounds. Biosynthesis and cytotoxic activity of lead oxide nanoparticles It is considered to be a carcinogen. Solubility in water. The PbO can be changed from massicot to litharge or vice versa by controlled heating and cooling. COPYRIGHT 1997-2022 AMERICAN ELEMENTS. Due to its toxicity, its use is being limited. Not commonly occurring in nature, lead tetraoxide can be prepared by a number of simple reactions, one example being the oxidation of the commonly occurring Pb? oxide, litharge: 6 PbO + O? 3D hierarchical flower-like nickel ferrite/manganese dioxide toward lead (II) removal from aqueous water. With strong bases, PbO dissolves to form plumbite (also called plumbate(II)) salts:[14], The kind of lead in lead glass is normally PbO, and PbO is used extensively in making glass. [2], Lead(II,IV) oxide has a tetragonal crystal structure at room temperature, which then transforms to an orthorhombic (Pearson symbol oP28, Space group Pbam, No. PbO is representative of lead's +2 oxidation state. Lead(II,IV) oxide - Wikipedia Both were poisonous compounds. Extinguishing mediaSuitable extinguishing agents Product is not flammable. Select the correct answer and click on the Finish buttonCheck your score and answers at the end of the quiz, Visit BYJUS for all Chemistry related queries and study materials, Your Mobile number and Email id will not be published. exists in two crystalline forms. Low-Valent Lead Hydride and Its Extreme Low-Field (1)H NMR Chemical Shift. Lead Oxide - PENOX Click Start Quiz to begin! Lead compounds - Wikipedia PbO was one of the raw materials for century eggs, a type of Chinese preserved egg. Furthermore, lead oxide nanoparticles are graded as toxic and dangerous for the human health and environment. It is an oxidizing agent. 0000005582 00000 n Lead oxide (PbO) exists in two crystalline modifications: red tetragonal (-PbO) and yellow orthorhombic (-PbO). PDF Pb3O4 Material Safety Data Sheet Chemical Name: Lead oxide, red MSDS CI# [12] This mismatch in mechanical properties results in peeling of the coating which is preferred for bulk PbO2 production. Both the lead and lead oxide are in a solution of sulfuric acid (H 2 SO 4) and water (H 2 O). The technical storage or access that is used exclusively for anonymous statistical purposes. In our different locations PENOX produces battery oxides either in Barton or in P20 reactors. In this video we'll write the correct formula for Lead (II) oxide, PbO.To write the formula for Lead (II) oxide well use the Periodic Table and follow some simple rules.---Keys for Writing Formulas for Compounds with Transition Metals---1. Personal precautions, protective equipment and emergency proceduresUse personal protective equipment. thermal decomposition of lead nitrate to form lead oxide, along with a whole bunch of toxic NO2.See more on Bitchute: https://www.bitchute.com/profile/4uBPC9. 0000001749 00000 n $/7r~^bSs| Lead (IV) oxide. PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure. The alpha allotrope is rhombohedral, and the beta allotrope is tetragonal. [15], Lead dioxide and other lead compound pose a huge environmental hazard when they are not disposed of properly. See reverse side of invoice or packing slip for additional terms and conditions of sale. PbO reacts with acids to form salts, and with alkalies to give plumbites, [Pb(OH)3] or [Pb(OH)4]2. Reaction with bromine follows the same principle.[16]. Thanks to this kind of process the final product is completely oxidized without free lead residues and can therefore be used for glass, ceramics, mining and other chemical applications. Its chemical formula is PbO 2 . In traditional Chinese medicine, red lead is used to treat ringworms and ulcerations, though the practice is limited due to its toxicity. Lead oxide Definition & Meaning - Merriam-Webster Lead oxide (Pb3O4) | O4Pb3 - PubChem -PbO is obtained at temperatures higher than 486C and -PbO, at lower temperatures. They thus resemble typical organic compounds. It dissolves in dilute nitric acid, hydrochloric acid, oxalic acid, etc. Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula .A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints.It is an example of a mixed valence compound, being composed of both Pb(II) and Pb(IV) in the ratio of two to one.