Melting point :23 °C
Boiling point :213-214 °C(lit.)
Density :1.017 g/mL at 25 °C(lit.)
refractive index :n20/D 1.626(lit.)
Flash point :210 °F
storage temp. :2-8°C
solubility :Soluble in benzene, acetone and methanol.
form :Liquid or Low Melting Solid
pka :4.73±0.10(Predicted)
color :Yellow to red
BRN :2204173
Stability :Stable, but 0.1% sodium hydroxide may be added to inhibit polymerisation. Incompatible with strong oxidizing agents.
InChIKey :LBSXSAXOLABXMF-UHFFFAOYSA-N
CAS DataBase Reference :1520-21-4(CAS DataBase Reference)
EPA Substance Registry System :4-Vinylaniline (1520-21-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
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.