Melting point :?30 °C (lit.)
Boiling point :162-163 °C (lit.)
Density :1.096 g/mL at 25 °C (lit.)
vapor pressure :1.4 mm Hg ( 20 °C)
refractive index :n20/D 1.535(lit.)
Flash point :132 °F
storage temp. :2-8°C
solubility :Miscible with ether.
form :Liquid
color :Clear colorless to slightly yellow
Water Solubility :decomposes
Sensitive :Moisture Sensitive
Merck :14,7296
BRN :471391
Dielectric constant :8.8（20℃）
Stability :Stable. Combustible. Incompatible with strong oxidizing agents, water, moisture, alcohols, amines, strong bases, strong acids. Protect from air.
LogP :2.59 at 25℃
CAS DataBase Reference :103-71-9(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, isocyanato-(103-71-9)
EPA Substance Registry System :Phenyl isocyanate (103-71-9)

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 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 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
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.