Toluene Diisocyanate - TDI

Toluene Diisocyanate (TDI) is a colorless to pale yellow flammable liquid with a sharp pungent odour. It exists in two forms; 2,4-toluene diisocyanate and 2,6-toluene diisocyanate. The two different forms are isomers.

Product Details

Formula:

C9H6N2O2

CAS Number:

26471-62-5

Also Known As:

TDI; 2,4-Diisocyanato-1-methylbenzene; Isocyanic acid; 2,4-Diisocyanatotoluene

Structure:

158_Main_Toluene_Diisocyanate-removebg-preview.png

applications:

Toluene Diisocyanate is primarily used as a chemical intermediate in the production of polyurenthane products. Most end-products are furniture, mattresses, and automotive seats. It can also be found in some coatings, sealants, and elastomers.
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Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

Colorless to pale yellow flammable liquid

Boiling Point, °C

251

Density, g/cm3

1.22

Flash Point, °C

127

Melting point, °C

20

Molecular weight, g/mol

174.2

Odor

Sharp pungent odor

Purity, %

99

Refractive index, n20/D

1.5660

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