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CALCIUM ARSENATE

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  • Name CALCIUM ARSENATE
  • EINECSN/A
  • CAS No. 7778-44-1
  • Density3,62 g/cm3
  • PSA172.50000
  • LogP-1.71200
  • SolubilityIt is soluble in water and acids, insoluble in organic solvents
  • Melting Point1455℃ [CRC10]
  • FormulaAsH3 O4 . 3/2 Ca
  • Boiling PointN/A
  • Molecular Weight 398.08
  • Flash PointN/A
  • Transport InformationN/A
  • AppearanceN/A
  • SafetyConfirmed human carcinogen. Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits toxic fumes of arsenic.
  • Risk Codes23/25-45-50/53
  • Molecular Structure
    Molecular Structure of 7778-44-1 (CALCIUM ARSENATE)
  • Hazard SymbolsN/A
  • SynonymsN/A

CALCIUM ARSENATE Chemical Properties

The Molecular formula of Calcium arsenate (7778-44-1): Ca3As2O8
The Molar mass of Calcium arsenate (7778-44-1): 398.072 g/mol
The Molecular Structure:
Appearance white powder
Density: 3.620 g/cm3, solid
Melting point: 1455°C (decomposes)
Solubility in water: 0.013 g/100 mL (25°C)
Solubility in Organic solvents: insoluble
Solubility in acids: soluble
Other names: Calcium orthoarsenate;Cucumber dust.
Calcium arsenate (7778-44-1) is an extremely poisonous chemical compound. It is highly soluble in water.

CALCIUM ARSENATE Uses

Calcium arsenate (7778-44-1) is used extensively as an insecticide and as a fungicide.

CALCIUM ARSENATE Production

Calcium arsenate (7778-44-1) is produced by the reaction of calcium chloride, calcium hydroxide, and sodium arsenate or lime and arsenic acid:
 2CaCl2 + Ca(OH)2 + 2Na2HAsO4 → Ca3(AsO4)2 + 4NaCl + 2H2O

CALCIUM ARSENATE Toxicity Data With Reference

Calcium arsenate (7778-44-1) is more toxic than lead arsenate.

CALCIUM ARSENATE Consensus Reports

NTP 10th Report on Carcinogens, 2000:known to be human carcinogen

CALCIUM ARSENATE Safety Profile

Confirmed human carcinogen. When heated to decomposition it emits toxic vapors of NOx.
Risk Statements: 23/25-45-50/53
23/25:  Toxic by inhalation and if swallowed 
45:  May cause cancer 
50/53:  Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 45-53
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
53:  Avoid exposure - obtain special instruction before use 
RIDADR: 1573
HazardClass: 6.1
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