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Arsenic acid
[CAS# 7778-39-4]

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CAS: 7778-39-4
Product: Arsenic acid
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Identification
Name Arsenic acid
Synonyms Arsenic acid; Orthoarsenic acid
Molecular Formula H3AsO4
Molecular Weight 141.94
CAS Registry Number 7778-39-4
EC Number 231-901-9
Properties
Solubility Freely soluble (271 g/L) (25 ºC), Calc.*
Density 2.2 g/cm3**
Melting point >250 ºC***
* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)
** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)
*** Roche, Andre; US 3096377 1963.
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Acute toxicityAcute Tox.3H331
Acute toxicityAcute Tox.3H301
CarcinogenicityCarc.1AH350
Chronic hazardous to the aquatic environmentAquatic Chronic1H410
Acute hazardous to the aquatic environmentAquatic Acute1H400
Acute toxicityAcute Tox.4H312
Skin corrosionSkin Corr.1CH314
Reproductive toxicityRepr.2H361
Serious eye damageEye Dam.1H318
Hazardous Chemical? Yes
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List of Reports Available for Arsenic acid
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