Melting point :20-22 °C(lit.)
Boiling point :124-126 °C18 mm Hg(lit.)
Density :1.225 g/mL at 25 °C
vapor density :6 (vs air)
vapor pressure :0.03 mm Hg ( 25 °C)
refractive index :n20/D 1.568(lit.)
Flash point :250 °F
storage temp. :2-8°C
solubility :Miscible with ether, acetone, benzene, carbontetrachloride and chlorobenzene.
form :Liquid
color :Colorless
Specific Gravity :1.225
Odor :Sharp, pungent odor detectable at 0.02 to 0.4 ppm
explosive limit :9.5%
Water Solubility :reacts
Sensitive :Moisture Sensitive
Merck :14,9530
BRN :744602
Exposure limits :TLV-TWA 0.0355 mg/m³ (0.005 ppm) (ACGIH and NIOSH); STEL or ceiling/10 min 0.142 mg/m³ (0.02 ppm) (ACGIH, NIOSH, and OSHA); IDLH 71 mg/m³ (10 ppm) (NIOSH).
Stability :Stable, but decomposes in the presence of moisture. Also heat and light sensitive. Readily polymerizes in contact with base. Reacts with compounds containing active hydrogen. Incompatible with strong oxidizing agents. Corrodes some copper and aluminium alloys.
InChIKey :DVKJHBMWWAPEIU-UHFFFAOYSA-N
LogP :3.43 at 22℃
CAS DataBase Reference :584-84-9(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, 2,4-diisocyanato-1-methyl-(584-84-9)
EPA Substance Registry System :Toluene-2,4-diisocyanate (584-84-9)

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 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 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 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.