2,4-TDI Isocyanate

Home

2,4-Toluene diisocyanate CAS # 584-84-9

Molecular weight 174.2
Isocyanate, % 48
Equivalent weight 85
Toxicity NIOSH Analysis method OSHA air sampling method

Properties
Assay, % 99.5 minimum
Isomer ratio (by infrared), %
   2,4 isomer 98.0 minimum
   2,6 isomer 2.0 maximum
Acidity % 0.010 maximum
Color, APHA 25 maximum
Hydrolyzable chlorides, % 0.010 maximum
NCO Content, % 48

TYPICAL PROPERTIES*


Appearance Clear, colorless to slightly yellow liquid
Specific gravity @ 25C 1.22
Weight per gallon, lb. @ 25C 10.2
Total chlorides, % 0.10 maximum
Equivalent wt., avg. (as supplied) 87
Crystallizing point 70F (21C)
Flash point (Pensky-Marten closed cup) 260F (127C)
Refractive index @ 25C 1.566
Boiling point 483F (251C)
NCO Content, % 48

* Bayer Datasheet 

Regulatory Inventory
CAS REGISTRY NUMBER # 584-84-9 NAME : Benzene, 2,4-diisocyanato-1-methyl- 
TSCA USA Yes
DSL Canada Yes
EINECS Europe EINECS No. 209-544-5 Yes
ECL Korea ECL Serial No. KE-10929 Yes
ENCS Japan ENCS No. 3-2214X Yes
AICS Australia Yes
Other names: 
1,3-Diisocyanato-4-methylbenzene
2,4-Diisocyanato-1-methylbenzene
2,4-TDI
2,4-Toluene diisocyanate
2,4-Toluene diisocyanate (2,4-TDI)
2,4-Toluylene diisocyanate
2,4-Tolylene diisocyanate

Commercial Products or generic terms used for products. For manufacturer see Isocyanate MFCT.
Commercial products are mixtures of isomers of 2,4 & 2,6- toluenediisocyanate 
Mondur TDS    98/2 (2,4/2,6) Cosmonate TDI

Last edited on:

July 06, 2006

Copyright, Design, Layout and Technical Content by: