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2-METHYL-M-PHENYLENE DIISOCYANATE Structure

2-METHYL-M-PHENYLENE DIISOCYANATE

Chemical Properties

Melting point 13°C
Boiling point 129-133 °C18 mm Hg(lit.)
Density  1.225 g/mL at 25 °C(lit.)
vapor pressure  2.78Pa at 25℃
refractive index  n20/D 1.571(lit.)
Flash point >230 °F
storage temp.  −20°C
form  Liquid
color  Clear colorless to light yellow
Water Solubility  It hydrolyzes in water.
Sensitive  Moisture Sensitive
BRN  2211546
Exposure limits ACGIH: TWA 0.001 ppm; STEL 0.005 ppm (Skin)
Stability Stability Reacts violently with water. Reacts very rapidly with compounds containing an active hydrogen, such as amines, alcohols and acids. Polymerizes rapidly in the presence of base. Combustible. Incompatible with strong oxidizing agents.
LogP 3.74
CAS DataBase Reference 91-08-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances TOLUENE 2,6-DIISOCYANATE
FDA 21 CFR 175.105
EWG's Food Scores 5-8
FDA UNII 78243HXH5O
EPA Substance Registry System Toluene-2,6-diisocyanate (91-08-7)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H315-H317-H319-H330-H334-H335-H351-H412
Precautionary statements P202-P273-P280-P302+P352-P304+P340+P310-P305+P351+P338
Hazard Codes  T+
Risk Statements  26-36/37/38-40-42/43-52/53
Safety Statements  23-36/37-45-61
RIDADR  UN 2078 6.1/PG 2
WGK Germany  2
RTECS  CZ6310000
8-10-19-21
Autoignition Temperature >1148 °F
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29291090
Hazardous Substances Data 91-08-7(Hazardous Substances Data)
NFPA 704:
1
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