Toluene Diisocyanate
Quantity
Unit
CAS #
584-84-9
PRODUCT
SYNONYM
TDI, Diisocyanotoluene; 2,4-Diisocyanotoluene; 2,4-TDI; 2,4-Toluene Diisocyanate; tolylene-2,4-diisocyanate; Benzene, 2,4-diisocyanato-1-methyl-
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FORMULA
CH3C6H3(NCO)2
PRODUCT TYPE
Organic
HAZARD
6.1 Toxic Substances
CHEMICAL STRUCTURE
APPEARANCE
Clear, colorless liquid
ODOR
Sharp odor
FLASH POINT COC °C
270 °F (132°C)
AUTO IGNITION TEMP
> 600°C
VAPOR PRESSURE (MM HG)
(@ 25°C) : 0.02
VAPOR DENSITY
6.0
DROPPING POINT
484°F ( 251°C)
SOLUBILITY TEST (10 GRAMS IN 80 GRAM IPOPROPYL ALCOHOL)
Reacts with water. Soluble in most organic solvents
SPECIFIC GRAVITY (20°C)
1.22 approx (@ 25°C)
ASSAY %
99.7 Min
C2H5NAO
As HCL : Type 1(A) : 0.002 to 0.004 Type 2(B) :
VISCOCITY
@ 25°C ( 77°F) cps : 3.10@ 50°C(122°F) cps : 1.7
COLOR (PT-CO SCALE)
15 Max
NCO CONTENT
Approx. 48%
ISOCYNATE EQUIVALENT WEIGHT
87
VAPOR PRESSURE
0.01 mm (20 c)
REFRACTIVE INDEX
1.5680
MELTING POINT
19.4-21.5 c
MOLECULAR WEIGHT
174.15
FLASH POINT
(oc) 132 c
BOILING POINT
251 c
DENSITY
1.22 (2515.5 c)
NOTES
Toluene Diisocyanate is a chemical intermediate with bifunctional cyanate ligands used to make specialty coatings, resins, and polymers such as polyurethane.
CLASS
Specialty Chemicals, Chemical Intermediates, Adhesives, Coatings and Sealants Chemicals, Nitrile & Cyanide Compounds, Organic Intermediates and Compounds, Toxic Release Inventory (TRI) Chemicals
FUNCTIONS
Intermediates, Chemical Intermediate
INDUSTRY
Industrial, Resin & Coating, Adhesives, Specialty Chemicals, Plastics, Cyanide Chemistry
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