Melting point :31 °C
Boiling point :221 °C
Density :3,54 g/cm³
solubility :reacts with H2O; soluble in hydrocarbon solvents, ctc;very soluble in ethyl ether, benzene
form :yellow orthorhombic crystals
Specific Gravity :3.54
color :Colorless, deliquescent, rhombic crystals
Water Solubility :decomposed in H2O, forming HBr, As2O3; miscible with ether, benzene [MER06]
Sensitive :moisture sensitive
Dielectric constant :9.0（37℃）
EPA Substance Registry System :Arsenous tribromide (7784-33-0)

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 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P311 Call a POISON CENTER or doctor/physician. P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to..…