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Toluene Diisocyanate 80/20

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Product Description

PRODUCT

Toluene Diisocyanate 80/20

CAS #

26471-62-5

SYNONYM

TDI, Diisocyanatoluene; 2,4-Diisocyanatotoluene; Benzene, 1,3-diisocyanatomethyl-

FORMULA

CH3C6H3(NCO)2

HAZARD

6.1 Toxic Substances

Product Specifications

APPEARANCE

Water white to pale yellow liquid

ODOR

Sharp, pungent odor

FLASH POINT COC °C

270 °F (132°C)

VAPOR PRESSURE (MM HG)

(@ 25°C): 0.02

SPECIFIC GRAVITY (20°C)

(@ 25°C): 1.22

ASSAY

99.7% Min

ACIDITY

Type 1(A): 0.002-0.004 Type 2(B): 0.007-0.011

VISCOCITY

(@ 25°C) 3.10cps (@ 50°C) 1.7cps (@ 100°C) 0.70cps

COLOR (APHA)

15 Max

NCO CONTENT

48.3%

ISOCYNATE EQUIVALENT WEIGHT

87

MELTING POINT

19.5-21.5 c

VAPOR PRESSURE

0.025 mm hg (25 c)

REFRACTIVE INDEX

1.5689 (20 c)

MOLECULAR WEIGHT

174.17

FLASH POINT

121 c

SPECIFIC GRAVITY

1.22

SOLUBILITY

dmso, acetone, org. solvs.

BOILING POINT

251 c

REACTIVITY

with water

NOTES

TDI 80/20 is used in the manufacture of flexible polyurethane foams, elastomers, coatings, caulks and sealants.

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