Melting point :>300 °C (lit.)
solubility :insoluble in H2O; soluble in alkaline solutions
form :brown-yellow amorphous solid
color :brown-yellow amorphous solid
Water Solubility :g/L solution H2O: 0.00136 (0°C) [KRU93]
Merck :13,807
CAS DataBase Reference :1303-34-0
EPA Substance Registry System :Arsenic pentasulfide (1303-34-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed.