Melting point :−57 °C(lit.)
Boiling point :92-93 °C360 mm Hg(lit.)
alpha :34 º (589nm, c=1, MeOH)
Density :1.183 g/mL at 25 °C(lit.)
vapor density :3.2 (vs air)
vapor pressure :13.8 mm Hg ( 21.1 °C)
refractive index :n20/D 1.438(lit.)
Flash point :93 °F
storage temp. :Inert atmosphere,2-8°C
solubility :Chloroform, Methanol (Slightly)
form :Liquid
color :Clear colorless to very pale yellow
optical activity :[α]20/D +35°, c = 1 in methanol
explosive limit :21%
Water Solubility :insoluble
BRN :1420784
Dielectric constant :22.9（20℃）
CAS DataBase Reference :67843-74-7(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning 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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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.