Tolylene-2, 4-diisocyanate (TDI)

Tolylene-2, 4-diisocyanate (TDI)

CAS No.: 584-84-9
Molecular Formula: C₉H₆N₂O₂‌
Molecular Weight:174.16
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product description

TDI is an important organic chemical raw material, primarily used in the production of polyurethane foam, coatings, rubber, adhesives, and elastomers.


Chemical Properties

Chinese NameToluene Diisocyanate
AliasTDI
Molecular Weight174.16
Physical PropertyColorless to pale yellow transparent liquid
Chemical PropertyReacts violently with water, alcohols and strong oxidants
UN Dangerous Goods No.UN 2078
Hazard StatementsH315, H317, H319, H330, H334, H335, H351, H412
GHS Hazard PictogramsGHS06, GHS08
Signal WordDanger
Density1.22 g/cm³
ApplicationPolyurethane foams, coatings, rubber, adhesives, elastomers
Boiling Point251 °C
Melting PointTDI-65: 3.5~5.5°CTDI-80: 11.5~13.5°CTDI-100: 19.5~21.5°C
Flash Point132 °C


Product Usage

Toluene diisocyanate (TDI) serves primarily as a raw material for the production of polyurethane resins. Its applications span a wide range of sectors, including coatings, adhesives, sealants, and elastomers; low- and high-density semi-rigid foams; rigid foams; viscoelastic (memory) slabstock foam; structural reaction injection molding (RIM) materials; and flexible molded foams and slabstock.

TDI is a key raw material for the production of flexible polyurethane foam, widely used in automotive seating, furniture cushioning, mattress cushioning, and specialty foam applications. It also serves as a reactive intermediate in the production of coatings, adhesives, sealants, and prepolymers.


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FAQ

Q1:Does it support customized products?

A1:Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.


Q2:Can samples be provided?

A2:We support free sample delivery and testing services to meet customers' early testing needs.


Q3:Is the product quality stable? 

A3:With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.


Q4:What is the shipping cycle?

A4:For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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