CALCIUM ARSENATE
CALCIUM ARSENATE
- CAS:
- 7778-44-1
- MF:
- AsH3O4.3/2Ca
- MW:
- 398.07
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Properties
- Melting point:
- 1455℃ [CRC10]
- Density
- 3,62 g/cm3
- vapor pressure
- 0Pa at 20℃
- RTECS
- CG0830000
- solubility
- soluble in dilute acid solutions
- form
- Powder
- color
- White
- Specific Gravity
- 3.62
- Water Solubility
- It is soluble in water and acids, insoluble in organic solvents
- Solubility Product Constant (Ksp)
- pKsp: 18.17
- Exposure limits
- ACGIH: TWA 0.01 mg/m3
NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3
Safety Information
- Symbol(GHS)
GHS06,GHS08,GHS09
- Hazard statements
- H301-H331-H350-H400-H410
- Precautionary statements
- P201-P261-P280-P301+P310a-P405-P501a
- Risk Statements
- 23/25-45-50/53
- Safety Statements
- 45-53
- RIDADR
- 1573
- OEL
- Ceiling: 0.002 mg/m3 [15-minute]
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- II
- HS Code
- 28429090
- Toxicity
- LD50 orally in female rats: 298 mg/kg (Gaines)
- IDLA
- 5 mg As/m3
Use
CALCIUM ARSENATE is extremely toxic; the probable oral lethal dose for humans is 5-50 mg/kg, or between 7 drops and 1 teaspoonful for a 150 lb. person. It is an irritant to eyes, respiratory tract, mouth and stomach. Damage to kidneys, liver and the nervous system have been reported. (Non-Specific -- Arsenic) Chronic exposure can cause bone marrow damage, often leading to aplastic anemia. There is epidemiological evidence that chronic ingestion of arsenic compounds causes a predisposition to skin cancers.
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