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Toluene diisocyanate (TDI)

TDI; Toluene-2,4-diisocyanate; Tolylene diisocyanate; Methylenebis(phenyl isocyanate)

CAS 26471-62-5

Chemical Formula C9_99H6_66N2_22O2_22

Molecular Weight 174.15 g/mol

Toluene diisocyanate (TDI) is an organic compound belonging to the isocyanate family. Its two main forms, 2,4-TDI and 2,6-TDI, are used in varying ratios depending on application needs. TDI is highly reactive with compounds containing active hydrogen atoms, making it valuable for creating flexible and rigid foams, adhesives, sealants, and coatings. In the production of flexible foam, it is a key ingredient for creating lightweight, resilient materials used in furniture, bedding, and automotive seats.

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Industrial Uses

1. Polymers & Resins

Monomer for Polymer & Resin Synthesis: Toluene diisocyanate (TDI) is primarily utilized as a Monomer for Polymer & Resin Synthesis in the production of polyurethanes. Its high reactivity with polyols facilitates the formation of flexible polyurethane foams, which are extensively used in furniture, bedding, and automotive seating. Additionally, TDI is employed in the creation of coatings, adhesives, sealants, and elastomers, enhancing the durability and performance of these materials.

2. Paints & Coatings

Industrial and Protective Coatings: It is widely used in the production of high-durability polyurethane coatings, suitable for metal, wood, plastic, and concrete surfaces, providing resistance to chemicals, abrasion, and weathering.
Automotive & Marine Coatings: Toluene diisocyanate(TDI) -based coatings are popular in automotive finishes and marine applications, where toughness and resistance to environmental factors are critical.

3. Personal Care

Packaging & Applicators: Polyurethane foams and elastomers derived from Toluene diisocyanate(TDI) are used in applicators, such as sponges and other tools, due to their soft texture and resilience.
Packaging Sealants: Toluene diisocyanate(TDI) -based polyurethane sealants may be used in the packaging of personal care products, ensuring product integrity by protecting against air and moisture ingress.

4. Construction

Thermal Insulation: It is a major component in rigid polyurethane foams used in building insulation, where its thermal properties contribute to energy-efficient construction.
Flooring & Roof Coatings: Polyurethane coatings made from Toluene diisocyanate(TDI) are widely used on floors and roofs, providing waterproofing, slip resistance, and abrasion resistance.

Specifications

Assay	≥ 99%
Appearance	Colorless to pale yellow liquid
Odor	Sharp, pungent odor
Boiling Point	251°C (484°F)
Melting Point	20.5°C (68.9°F)
Density	1.22 g/cm³ at 25°C
Solubility	Insoluble in water, soluble in organic solvents like acetone and benzene
Viscosity	~3.0 mPa·s at 25°C
Flash Point	132°C (270°F) (closed cup)

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FAQs

1. What is the current price of Toluene diisocyanate(TDI) in India?
The price of Toluene diisocyanate(TDI) can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.979 979 2121 directly for a customized quote tailored to your needs.

2. Where can I buy Toluene diisocyanate(TDI) in India?
You can purchase Toluene diisocyanate(TDI) from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Toluene diisocyanate(TDI)?
Our minimum order quantity (MOQ) for Toluene diisocyanate(TDI) is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Toluene diisocyanate(TDI) supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance."