Boiling point :75-76 °C12 mm Hg(lit.)
Density :1.033 g/mL at 25 °C(lit.)
vapor pressure :56.3Pa at 25℃
refractive index :n20/D 1.5305(lit.)
Flash point :150 °F
storage temp. :2-8°C
form :clear liquid
color :Colorless to Yellow to Orange
Water Solubility :10g/L at 20℃
Sensitive :Moisture Sensitive
BRN :386149
LogP :1.4
CAS DataBase Reference :621-29-4(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, 1-isocyanato-3-methyl-(621-29-4)
EPA Substance Registry System :Benzene, 1-isocyanato-3-methyl- (621-29-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. 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.