Arsenic acid (H3AsO4),potassium salt (1:1) cas no:7784-41-0

NameArsenic acid (H3AsO4),potassium salt (1:1)
CAS7784-41-0
SynonymsArsenicacid (H3AsO4), monopotassium salt (8CI,9CI); Potassium arsenate (KH2AsO4)(6CI,7CI); Dihydrogen potassium arsenate; Hydrogen potassium arsenate(H2KAsO4); Macquer's salt; Monopotassium arsenate; Monopotassium dihydrogenarsenate; Potassium acid arsenate; Potassium dihydrogen arsenate; Potassiumdihydrogen arsenate (KH2AsO4); Potassium dihydrogen orthoarsenate; Potassiumhydrogen arsenate (KH2AsO4)
EINECS(EC#)232-065-8
Molecular FormulaAsH3 O4 . K
Molecular Weight180.03338

Hazardclass6.1(a)

Hazard Toxic by ingestion and inhalation, strong irritant.
Risk 45-23/25-50/53
Safety

Confirmed human carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of ARSENIC. See also ARSENIC COMPOUNDS. 

Hazard Codes: T, N
Risk Statements: 45-23/25-50/53 
R45: May cause cancer
R23/25: Toxic by inhalation and if swallowed 
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 53-45-60-61
S53: Avoid exposure - obtain special instructions before use 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible) 
S60: This material and its container must be disposed of as hazardous waste
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
RIDADR: UN 1677 6.1/PG 2
WGK Germany: 3
RTECS: CG1100000
HazardClass: 6.1(a)
PackingGroup: II