Melting point :65-68 °C (lit.)
Boiling point :293 °C (lit.)
Density :1.09 g/mL at 25 °C (lit.)
vapor pressure :1 mm Hg ( 104 °C)
refractive index :1.62662 (78.1℃)
Flash point :100 °C
storage temp. :room temp
solubility :6.4mg/l
form :Crystalline Powder
color :Orange
Water Solubility :Soluble in alcohol, ether, benzene and glacial acetic acid. Insoluble in water.
Merck :14,917
BRN :1819138
Stability :Stable. Combustible. Incompatible with strong oxidizing agents. Air and light sensitive.
CAS DataBase Reference :103-33-3(CAS DataBase Reference)
IARC :3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System :Azobenzene (103-33-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger 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:	P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313 IF exposed or concerned: Get medical advice/attention.