80/20 Toluenes Diisocyanate Tdi

Product:Toluene Diisocyanate 80/20 or TDI 80/20

CAS number: 584-84-9

Molecular formula: C₉H₆N₂O₂

Molecular weight: 174.15
Synonym:2,4-Diisocyanatotoluene; Benzene, 1,3-diisocyanatomethyl-; TDI, Diisocyanatoluene

Quality Standard:Q/DHJ.02.02-1999
Appearance: water-with to pale yellow clear liquid with irritating odour.

Description: TDI is colorless and transparent to primrose yellow liquid, with pungent smell, insoluble in

water, soluble in Aceton, ethyl acetate and toluene.

Introduction

Toluene diisocyanate (TDI) is an aromatic diisocyanate that is a clear, pale yellow liquid

with a sharp, pungent odor, which is insoluble in water and miscible with most common

organic solvents. TDI (CAS No. 26471-62-5) consists of two isomers:

toluene-2,4-diisocyanate (2,4-TDI) (CAS No. 584- 84-9) and

toluene-2,6-diisocyanate (2,6-TDI) (CAS No. 91- 08-7), which is commercially produced

in different ratios. The most common ratio is 80% 2,4-TDI/20% 2,6 TDI. TDI is widely used

and accounted for 34% of the global isocyanate market

Specifictaion

Application

TDI (toluene diisocyanate) is a kind of commonly used polyisocyanate, which is

polyurethane (PU) material and important basic raw material. It is mainly used for producing

flexible polyurethane foam and polyurethane elastomers, coatings, adhesives and so on.

Storage: sealed with argon or nitrogen, cool, dry and protected from light.

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Company Introduction