Melting point :^=307℃
Boiling point :565℃
Density :3.5
form :Powder
Water Solubility :Insoluble in water. Soluble in acids and alkalis.
Exposure limits :ACGIH: TWA 0.01 mg/m3
NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3 CAS DataBase Reference :12044-79-0
EPA Substance Registry System :Arsenic sulfide (AsS) (12044-79-0)

Symbol(GHS):
Signal word:
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 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501 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:	P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P302+P352 IF ON SKIN: wash with plenty of soap and water. P309 IF exposed or if you feel unwell: P310 Immediately call a POISON CENTER or doctor/physician.