Melting point :-52 °C (lit.)
Boiling point :48 °C/20 mmHg (lit.)
Density :2.683 g/mL at 25 °C (lit.)
vapor pressure :10 mm Hg ( 31 °C)
refractive index :n20/D 1.675(lit.)
Flash point :156°C
storage temp. :2-8°C
solubility :Miscible with benzene, toluene and ether.
form :yellow liquid
Specific Gravity :2.683
color :yellow liquid
Water Solubility :hydrolyzed by H2O; miscible with benzene, chloroform, CCl4 [MER06]
Sensitive :Moisture & Light Sensitive
Merck :14,9347
Dielectric constant :13.0（20℃）
CAS DataBase Reference :507-16-4(CAS DataBase Reference)
NIST Chemistry Reference :Thionyl bromide(507-16-4)
EPA Substance Registry System :Thionyl bromide (507-16-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.