Toluene Diisocyanate TDI 80/20 CAS 26471-62-5 mainly refers to the mixture of 2, 4-toluene diisocyanate containing 80% mass percentage and 2, 6-toluene diisocyanate containing 20% mass percentage.Sometimes also referred to as toluene diisocyanate. Nitrotoluene was nitrated to dinitrotoluene and then reduced to toluene diamine.Toluene diamine reacts with phosgene to obtain TDI.
Specification
tem |
Index |
Results |
Purity (WT) |
99.5%Min |
99.95% |
Color (APHA) |
25 Max |
20 |
Acid (on HCL basis) ppm< |
0.004% Max |
0.003 |
Hydrolyzable Chloride |
100 |
65 |
Isomer Ratio (2.4/2.6) |
80±1/20±1 |
79.6/20.4 |
Appearance: |
water-with to pale yellow clear liquid with irritating odour. |
|
Application
TDI is a commonly used polyisocyanate, which is a polyurethane material and an important basic raw material.The TDI commonly used in the polyurethane industry is a mixture of 2, 4-TDI and 2,6-TDI.
Packing
Steel Barrel: N.W. 250KG, 20MT (80 drums) without Pallet/20 fcl
23.5mt ISO tank
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