Tolidine diisocyanate

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1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethy CAS # 91-97-4

Molecular weight 264.09
 
Isocyanate, % 31.8
Equivalent weight 132
Toxicity/Safety  ScoreCard
Properties
Appearance White pellets
Odor Odorless
Boiling Point,  5mmHg, or 667 Pa), C (F) 195-197 (383-387)
Melting Point, C (F) 71.7 (160)
Specific Gravity, 80C (176F), g/cm3 1.197 
Solubility
Insoluble in water and slowly hydrolyzed by water
Soluble in acetone, carbon tetrachloride, kerosene, benzene, chlorobenzene,
Flash point (cleveland open cup) C,(F)  218  (424)

O-tolidine diisocyanate TODI


Regulatory Inventory
CAS REGISTRY NUMBER # 91-97-4 NAME : 3,3'-dimethylbiphenyl-4,4'-diyl diisocyanate 
TSCA USA Yes
DSL Canada Yes
EINECS Europe EINECS No. 202-112-7 Yes
ENCS Japan ENCS No. 4-33 Yes
ECL Korea   No
AICS Australia   Yes
Other names:
1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethyl- (
3,3'-Bitolylene-4,4'-diisocyanate
3,3'-Dimethyl-4,4'-biphenylene isocyanate
3,3'-Dimethyl-4,4'-biphenylylene diisocyanate
3,3'-Dimethyl-4,4'-diphenylene diisocyanate
3,3'-Dimethylbiphenyl 4,4'-diisocyanate
3,3'-Dimethyldiphenyl 4,4'-diisocyanate
4,4'-Diisocyanato-3,3'-bitolyl
4,4'-Diisocyanato-3,3'-dimethylbiphenyl
Bitolylene diisocyanate
Isocyanic acid, 3,3'-dimethyl-4,4'-biphenylylene ester
The fact that a compound is not listed under a specific CAS # in a countries inventory does not mean this compound cannot be used, it can be an exempt compound or polymer which does not require listing, or it can be listed in a different category. Ask your supplier.

Commercial Products or generic terms used for products. For manufacturer see Isocyanate MFCT.

Nacconate 200

TODI


Last edited on:

July 06, 2006

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