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2,4-Diisocyanato-1-Methylbenzene

2,4-Diisocyanato-1-Methylbenzene / CAS : 584-84-9

Appearance Water white to yellowish liquid or crystal that darkens when exposed to sunlight UN 2078
HS 29291010 DG Class 6.1
Synonyms 2,4-Toluene Diisocyanate; Toluene Diisocyanate; Tolylene-2,4-Diisocyanate; 2,4-Diisocyanatotoluene; Toluene-2,4-Diisocyanate; Toluene 2,4-Diisocyanate; 4-Methyl-M-Phenylene Diisocyanate; 2,4-Tolylene Diisocyanate; Tolylene Diisocyanate; 2,4-Tdi; Benzene, 2,4-Diisocyanato-1-Methyl-; Toluylene-2,4-Diisocyanate; Hylene Tlc; Di-Iso-Cyanatoluene; Tdi; Hylene T; Diisocyanat-Toluol; Mondur Td; Toluen-Disocianato; Tuluylendiisocyanat; 2,4-Toluenediisocyanate; Desmodur T80; Tolueen-Diisocyanaat; Tolylene 2,4-Diisocyanate
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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 > Other Auxiliary Agent

Chemical and Physical Properties

Melting Point
12.5-13.5 °C
Density
1.225 g/mL 
Boiling Point
115-120 °C (10 mmHg)
Flash Point
250 °F
Appearance
Water white to yellowish liquid or crystal that darkens when exposed to sunlight
Acidity and Basicity
neutral

Export information

HS Code
29291010
Export Rebate
13%
UN No.
2078
DG-Class
6.1
Risk Code
R26-36/37/38-40-42/43-52/53
Safety Label
T+

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