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Lead chromate

Lead chromate Suppliers list
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Products Intro: Product Name:Lead chromate
CAS:7758-97-6
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Products Intro: Product Name:Lead chroMate
CAS:7758-97-6
Purity:98% Remarks:AAM132527
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CAS:7758-97-6
Purity:99% HPLC Package:1Mg ; 5Mg;10Mg ;100Mg;250Mg ;500Mg ;1g;2.5g ;5g ;10g
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CAS:7758-97-6
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Products Intro: Product Name:Lead(II) chroMate, ACS, 98%
CAS:7758-97-6
Purity:ACS98% Package:100g,500g
Lead chromate Basic information
Physical Properties Occurrence and Uses Production Toxicity
Product Name:Lead chromate
Synonyms:LEAD(+2)CHROMATE;LEAD CHROMATE, PRECIPITATED;LEAD(II) CHROMATE;LEAD (II) CHROMATE SINTERED;LEIPZIG YELLOW;CHROME YELLOW;PIGMENT GREEN 15;canarychromeyellow40-2250
CAS:7758-97-6
MF:CrO4Pb
MW:323.19
EINECS:231-846-0
Product Categories:Inorganics;Analytical Reagents for General Use;E-L, Puriss p.a. ACS;Puriss p.a. ACS;ACS GradeChemical Synthesis;Catalysis and Inorganic Chemistry;Essential Chemicals;Lead;Routine Reagents
Mol File:7758-97-6.mol
Lead chromate Structure
Lead chromate Chemical Properties
Melting point 844°C
density 6,3 g/cm3
form sintered
color Yellow
Water Solubility Insoluble. <0.1 g/100 mL at 19 ºC
Merck 14,5405
Stability:Stable. Reacts violently with ferric ferrocyanide.
CAS DataBase Reference7758-97-6(CAS DataBase Reference)
EPA Substance Registry SystemChromic acid (H2CrO4), lead(2+) salt (1:1)(7758-97-6)
Safety Information
Hazard Codes T,N
Risk Statements 61-33-40-50/53-62-45
Safety Statements 53-45-60-61
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS GB2975000
TSCA Yes
HazardClass 6.1
PackingGroup III
Hazardous Substances Data7758-97-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
Lead chromate Usage And Synthesis
Physical PropertiesYellow monoclinic crystals; refractive index 2.31; density 6.12 g/cm3; melts at 844°C; decomposes on further heating; insoluble in water; also insoluble in ammonia and acetic acid; soluble in acids and alkalies.
Occurrence and UsesLead chromate occurs in nature as the minerals, crocoite and phoenicochroite. It is an important pigment of lead used in oil paints and water colors. It is used for printing textiles and coloring porcelain.
ProductionLead chromate is found naturally in minerals crocoite and phoenicochroite. It also is readily prepared by adding a soluble chromate such as sodium or potassium chromate to a solution of lead nitrate, lead acetate or other soluble lead(II) salt in neutral or slightly acidic solution:
Pb2+ + CrO4 → PbCrO4
The yellow precipitate is filtered, washed and dried.
ToxicityModerately toxic by intraperitoneal route. The effects, however, are mild from oral intake. Occupational exposure may cause cancer. There is sufficient evidence of carcinogenicity in animals and humans.
Chemical Propertiesyellow to orange powder
Chemical PropertiesLead chromate is an orange or orange-yellow crystalline solid or powder.
UsesIt is used in chemical analysis of organic substances.
DefinitionChEBI: A chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio
UsesPigment for paints and inks; in oil and water colors; printing fabrics, decorating china and porcelain; in chemical analysis of organic substances; in traffic paints.
Potential ExposureLead chromate is used to make paint pigments for wood and metal
First aidIf this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
ShippingUN3085 Oxidizing solid, corrosive, n.o.s, Hazard Class: 5.1; Labels: 5.1-Oxidizer, 8-Corrosive material, Technical Name Required.
IncompatibilitiesIncompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, and active metals; hydrazine, sodium, and potassium; organics at elevated temperature. Reacts with aluminum dinitronaphthalene, iron(III) hexacyanoferrate (IV)
Tag:Lead chromate(7758-97-6) Related Product Information
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