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10031-13-7

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Basic Information
CAS No.: 10031-13-7
Name: Lead arsenite
Molecular Structure:
Molecular Structure of 10031-13-7 (Lead arsenite)
Formula: AsH O2 . 1/2 Pb
Molecular Weight: 421.03
Synonyms: Arseniousacid (HAsO2), lead(2+) salt (8CI); Lead arsenite (Pb(AsO2)2) (6CI); Lead(II)arsenite
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Solubility: insoluble H2O; soluble dilute HNO3 [MER06]
Hazard Symbols: Highly toxic.
Safety: Confirmed human carcinogen. A poison. When heated to decomposition it emits very toxic fumes of Pb and As. See also LEAD COMPOUNDS and ARSENIC COMPOUNDS.
PSA: 138.36000
LogP: -2.61680
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Chemistry

Product Name: Lead(II) arsenite 
Synonyms of Lead(II) arsenite (CAS NO.10031-13-7): Arsenenous acid, lead(2+) salt ; Lead arsenite 
InChI: InChI=1/2AsHO2.Pb/c2*2-1-3;/h2*(H,2,3);/q;;+2/p-2 
CAS NO: 10031-13-7            
Molecular Formula: As2O4Pb 
Molecular Weight : 421.0408 
Molecular Structure :
H bond acceptors:  2 
H bond donors:  1 
Freely Rotating Bonds:  0 
Polar Surface Area:  37.3 Å2 

Consensus Reports

Arsenic and its compounds, as well as lead and its compounds, are on the Community Right-To-Know List.

Safety Profile

Confirmed human carcinogen. A poison. When Lead(II) arsenite (CAS NO.10031-13-7) is heated to decomposition, it emits very toxic fumes of Pb and As. See also LEAD COMPOUNDS and ARSENIC COMPOUNDS.

Standards and Recommendations

OSHA PEL: TWA 0.05 mg(Pb)/m3; 0.01 mg(As)/m3; Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m3; Confirmed Human Carcinogen; BEI: 35 µ (As)/L inorganic arsenic and methylated metabolites in urine
NIOSH REL: (Inorganic Lead) TWA 0.10 mg(Pb)/m3; (Inorganic Arsenic) CL 0.002 mg(As)/m3/15M
DOT Classification:  6.1; Label: Poison