Melting point :200-210 °C
Boiling point :288°C
Density :2.6 g/mL at 25 °C(lit.)
refractive index :1.807
solubility :reacts with H2O
form :Powder
Specific Gravity :2.6
color :yellow
Water Solubility :Decomposes in water and moist air. Insoluble in liquid bromine. Sublimes when heated
Sensitive :Moisture Sensitive
Merck :14,8438
Exposure limits :ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 CAS DataBase Reference :10026-03-6(CAS DataBase Reference)
EPA Substance Registry System :Selenium chloride (SeCl4), (T-4)- (10026-03-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P314 Get medical advice/attention if you feel unwell.