Toluene Diisocyanate /TDI/CAS:26471-62-5

Short Description:

Product Name: Toluene Diisocyanate /TDI

CAS: 26471-62-5

Type: ZA-WW

MF:C9H6N2O2

MW:174.15614

STRUCTURE:

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Product Detail

Product Tags

specification

Item	Specifications
Appearance	Transparent liquid
Colour	Colorless to pale yellow
Odour	Pungent and sharp odor
Boiling point	247℃
Melting point	19.5~21.5℃
Flash point	137℃
Identity	1.22
Refractive Index	1.5660 to 1.5700
Storage conditions	Store below +30°C.
Water solubility	124 mg/L at 25℃

Usage

As a core monomer for polyurethane (PU) synthesis, Toluene Diisocyanate (TDI) is widely utilized across multiple industrial sectors due to its excellent reactivity, compatibility, and ability to form high-performance PU materials. Its key applications are as follows:

Flexible Polyurethane Foams (Primary Application, ~70% of Total Consumption)

TDI is the most critical raw material for producing flexible PU foams, which are characterized by high resilience, soft texture, and superior cushioning performance. These foams are extensively used in:

Furniture industry: Mattresses, sofas, armchairs, and upholstered furniture cushions;

Automotive industry: Car seat cushions, headrests, door panels, roof liners, and sound insulation materials;

Daily necessities: Sponges, cleaning wipes, and packaging buffers for fragile goods;

Textile industry: Carpet underlays and textile padding.

Polyurethane Elastomers

When reacted with polyols, TDI forms polyurethane elastomers with outstanding wear resistance, tear strength, and elasticity. Typical applications include:

Footwear: High-performance shoe soles (sports shoes, work boots) and shoe heels;

Industrial parts: Rollers, gaskets, seals, conveyor belts, and shock absorbers;

Mechanical engineering: Hydraulic seals, O-rings, and flexible joints.

Polyurethane Coatings, Adhesives & Sealants

TDI-based PU coatings, adhesives, and sealants offer exceptional adhesion to various substrates (metal, wood, plastic, concrete), along with excellent corrosion resistance, abrasion resistance, and weatherability. They are widely adopted in:

Coatings: Anticorrosive coatings for industrial equipment, automotive topcoats, furniture finishes, and floor coatings;

Adhesives: Bonding materials for woodworking, footwear, automotive assembly, and composite materials;

Sealants: Construction sealants (window frames, curtain walls), automotive sealants, and electronic component encapsulation.

Other Polyurethane Products

Polyurethane rubbers: Used in industrial hoses, diaphragms, and flexible connectors;

Waterproof coatings: Construction waterproofing (roofs, basements) and industrial waterproofing membranes;

Composite materials: Reinforced PU composites for aerospace, marine, and sports equipment;

Insulation materials: Rigid PU insulation foams for building insulation and industrial pipeline insulation (blended with other isocyanates).

Key Industry Applications

TDI plays an indispensable role in industries such as furniture manufacturing, automotive production, construction engineering, textile processing, mechanical manufacturing, and electronic packaging. Its versatility enables the production of customized PU products to meet diverse performance requirements, making it a foundational raw material in the global chemical and manufacturing supply chains.

Packaging and Shipping

250KG/Drum or as customer requirements.
Belongs to common goods and can deliver by ocean and air

Keep and storage

Shelf life:24 month from date of manufacture in original unopened packaging stored in a cool dry place out of direct sunlight, water.
Ventilated warehouse, Low temperature drying, Separated from oxidants, acids.

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