Melting point :277-283 °C(lit.)
Density :2.867
solubility :: clear to very slightly hazy, colorless to faintly yellow
form :powder
color :white to off-white
Specific Gravity :2.8
Water Solubility :g/100g solution H2O: 15.7 (0°C), 23.6 (25°C), 48.0 (100°C); solid phase, KH2AsO4 ·H2O (0°C, 25°C), KH2AsO4 (100°C) [KRU93]; slowly soluble in 1.6 parts glycerol; insoluble alcohol [MER06]
Merck :13,7689
EPA Substance Registry System :Potassium arsenate (7784-41-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P201 Obtain special instructions before use. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P311 Call a POISON CENTER or doctor/physician. P501 Dispose of contents/container to..…