Toluene diisocyanate is an organic compound with the formula CH₃C₆H₃(NCO)₂. Two of the six possible isomers are commercially important: 2,4-TDI and 2,6-TDI. 2,4-TDI is produced in the pure state, but TDI is often marketed as 80/20 and 65/35 mixtures of the 2,4 and 2,6 isomers respectively
Description
Chemical Name: Toluene Diisocyanate.
CAS No.: 584-84-9
EINECS No.: 209-544-5
Molecular Formula: C9H6N2O2
Formula Weight: 174.16
Assay: 99.5%
Other Name: 2,4-TDI,Tolylene-2,4-diisocyanate

Specification
Item | Specifications | Results |
---|---|---|
Purity(m/m) | 99.5MIN | 99.8% |
Isomeric Ratio(2.4/2.6) | 80/20±1.0 | 80.2/19.9 |
Acidity(on HCL basis) | 40MAX | 8 |
Color(APHA) | 25MAX | 10 |
Hydrolyzable Chlorine(PPM) | 100MAX | 45 |
Application
- polyether polyol used for manufacturing polyurethane foam plastics, adhesives and elastomers;
- polyether polyol used as a defoaming agent,surfactant tec.
- polyether polyol used for organic synthesis, production of foam plastics, coatings and is used as chemical reagent.
Package
- 200KG/DRUM, 16MT/20’FCL