Melting point :-37 °C (lit.)
Boiling point :194 °C (lit.)
Density :1.054 g/mL at 25 °C (lit.)
vapor density :4.14 (vs air)
vapor pressure :<1 mm Hg ( 20 °C)
refractive index :n20/D 1.535(lit.)
Flash point :175 °F
storage temp. :Store below +30°C.
solubility :3g/l
form :Liquid
color :Clear colorless to slightly yellow
explosive limit :1.1-22%(V)
Water Solubility :3 g/L (20 ºC)
BRN :108582
Stability :Stability Unstable - polymerises readily with compounds possessing a labile hydrogen (such as acids and alcohols) in the presence of acids, bases or some salts. Combustible. Incompatible with strong oxidizing agents, acids, bases. Moisture sensitive.
LogP :1.61
CAS DataBase Reference :96-09-3(CAS DataBase Reference)
IARC :2A (Vol. Sup 7, 60, 121) 2019
NIST Chemistry Reference :Oxirane, phenyl-(96-09-3)
EPA Substance Registry System :Styrene oxide (96-09-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
Precautionary statements:	P201 Obtain special instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.