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Basic Information
| CAS No.: | 7784-40-9 |
|---|---|
| Name: | LEAD ARSENATE |
| Molecular Structure: | |
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|
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| Formula: | AsH3 O4 . Pb |
| Molecular Weight: | 347.12 |
| Synonyms: | Leadarsenate (PbHAsO4) (6CI,7CI); Acid lead arsenate; Arsenic acid lead salt; Leadacid arsenate; Lead arsenate; Lead hydrogen arsenate (PbHAsO4); Lead(2+)monohydrogen arsenate |
| EINECS: | 232-064-2 |
| Density: | 5.79 |
| Melting Point: | ca. 280 C (decomposes) |
| Solubility: |
Stability
Toxicology
|
| Hazard Symbols: | Highly toxic. TLV: 0.15 mg/m3; a carcinogen. |
| Risk Codes: | R45; R61; R23/25; R33; R50/53; R62 |
| Safety: | Confirmed human carcinogen. A poison by ingestion. Used as an insecticide and herbicide. When heated to decomposition it emits very toxic fumes of As and Pb. See also ARSENIC COMPOUNDS and LEAD COMPOUNDS. |
| PSA: | 83.42000 |
| LogP: | -1.67500 |
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LEAD ARSENATE
Chemistry
MF: AsHO4Pb
MW: 347.13
APPEARANCE: ODOURLESS WHITE HEAVY POWDER
Melting point (decomposes): about 280°C
Relative density (water=1): 5.79
MW: 347.13
APPEARANCE: ODOURLESS WHITE HEAVY POWDER
Melting point (decomposes): about 280°C
Relative density (water=1): 5.79
Toxicity Data With Reference
| 1. | orl-rat LD50:100 mg/kg | PCOC** Pesticide Chemicals Official Compendium ,Association of the American Pesticide Control Officials, Inc.(Topeka, KS.: )1966,653. | ||
| 2. | orl-mus LD50:1526 mg/kg | GISAAA Gigiena i Sanitariya. 51 (1)(1986),74. | ||
| 3. | ipr-mus LD50:128 mg/kg | GISAAA Gigiena i Sanitariya. 51 (1)(1986),74. | ||
| 4. | orl-rbt LD50:100 mg/kg | JPIFAN Japan Pesticide Information.(3)(1970),5. | ||
| 5. | orl-ckn LD50:450 mg/kg | PCOC** Pesticide Chemicals Official Compendium ,Association of the American Pesticide Control Officials, Inc.(Topeka, KS.: )1966,653. |
Consensus Reports
IARC Cancer Review: Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 23 , 1980,p. 39.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 1 , 1972,p. 40.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 1 , 1972,p. 40.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Arsenic and its compounds, as well as lead and its compounds, are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: T,N
Risk Statements: 45-61-23/25-33-50/53-62
Safety Statements: 53-45-60-61
Confirmed human carcinogen. A poison by ingestion. Used as an insecticide and herbicide. When heated to decomposition it emits very toxic fumes of As and Pb. See also ARSENIC COMPOUNDS and LEAD 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
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
Specification
STORAGE: Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed.