TDI-80 (Brand Wanhua)
Toluene diisocyanate has six isomers, namely toluene-2,3-diisocyanate, toluene-2,4-diisocyanate, toluene-2,5-diisocyanate, toluene-2,6-diisocyanate, toluene-3,4-diisocyanate, and toluene-3,5-diisocyanate. Among them, toluene 2,4-diisocyanate and toluene 2,6-diisocyanate are two common isomers. Industrial toluene diisocyanate is usually a mixture of toluene 2,4-diisocyanate and toluene 2,6-diisocyanate.
Toluene diisocyanate (TDI) has six isomers: 2,3-TDI, 2,4-TDI, 2,5-TDI, 2,6-TDI, 3,4-TDI, 3,5-TDI. Among them, 2,4-TDI and 2,6-TDI * are common, and industrial products are usually mixtures of 2,4-TDI and 2,6-TDI.
2,4-TDI
Chemical formula: C9H6N2O2
Molecular weight: 174.156
CAS number: 584-84-9
EINECS number: 209 544-5
Melting point: 20-22 ° C
Boiling point: 251.0 ℃
Flash point: 110.5 ℃
Density: 1.225g/cm3
2,6TDI
Chemical formula: C9H6N2O2
Molecular weight: 174.156
CAS number: 91-08-7
EINECS number: 209 544-5
Melting point: 13 ° C
Boiling point: 129-133 ° C18 mm Hg
Density: 1.225g/cm3
