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Toluene Diisocyanate

Toluene Diisocyanate / CAS : 26471-62-5

Appearance Colorless transparent or light yellow flammable liquid. It has a strong pungent smell. It is miscible with ethanol (decomposition), diethylene glycol, ether, acetone, carbon tetrachloride, benzene, chlorobenzene, kerosene and olive oil. UN 2078
HS 2929101000 DG Class 6.1(a)
Synonyms Methylphenylene Isocyanate; Tolylene Isocyanate; TDI; Benzene, 1,​3-​Diisocyanatomethyl-; Isocyanic Acid, Methyl-M-Phenylene Ester; 1,3-Diisocyanatomethylbenzene; Diisocyanatotoluene; Isocyanic Acid, Methylphenylene Ester; TDI 80/20; 2,4-TDI and 2,6-TDI 80%/20% Mixture; 2,4-TDI and 2,6-TDI 65%/35% Mixture; Toluene Diisocyanate (TDI); TDI-80/20
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Properties

Summary

Formula
C9H6N2O2
Molecular Mass
174.15600
Exact Mass
174.04300
PSA
58.86000
Logp
1.92960
IUPAC
2,4-diisocyanato-1-methylbenzene
SMILES
CC1=C(C=C(C=C1)N=C=O)N=C=O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Plastic Rubber Chemicals

Chemical and Physical Properties

Melting Point
19.5-21.5 ºC
Density
1.22 g/cm
Boiling Point
251 ºC
Flash Point
127 ºC
Appearance
Colorless transparent or light yellow flammable liquid. It has a strong pungent smell. It is miscible with ethanol (decomposition), diethylene glycol, ether, acetone, carbon tetrachloride, benzene, chlorobenzene, kerosene and olive oil.
Acidity and Basicity
neutral

Export information

HS Code
2929101000
Export Rebate
13%
UN No.
2078
DG-Class
6.1(a)
Risk Code
R26-36/37/38-40-42/43-52/53

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