Toluene Diisocyanate

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Product Details:

EINECS No 209-544-5
Physical Form Liquid
Molecular Weight 174.16 g/mol
Purity 99% min
Density 1.22 Gram per cubic centimeter(g/cm3)
Shelf Life 12 Months
Appearance Clear Liquid
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Toluene Diisocyanate Product Specifications

Shelf Life 12 Months
Density 1.22 Gram per cubic centimeter(g/cm3)
Refractive Rate 1.566
Appearance Clear Liquid
EINECS No 209-544-5
Physical Form Liquid
Purity 99% min
Molecular Weight 174.16 g/mol
Storage Store in a tightly closed container, cool, well-ventilated area, away from moisture
Ingredients Toluene diisocyanate (mixture of 2,4- and 2,6-isomers)
Grade Industrial Grade
HS Code 29291010
Melting Point -11 C
CAS No 584-84-9
Molecular Formula C9H6N2O2
Structural Formula OCN-C6H4-CH3-NCO
Poisonous YES
Shape Liquid
Solubility Reacts with water; soluble in ether and most common organic solvents
Smell Pungent
Application Used in the production of polyurethane foams, elastomers, coatings, and adhesives
Usage As an intermediate in chemical synthesis and polyurethane manufacturing
Product Type Organic Compound
Properties Clear, colorless to pale yellow liquid with pungent odor. Toluene diisocyanate is highly reactive, volatile, and sensitive to moisture. It is toxic and requires careful handling.

Stability Stable under recommended storage conditions; reactive with water, alcohols, and acids
UN Number 2078
Environmental Impact Hazardous to aquatic life
Hazard Class 6.1 (Toxic substances)
Vapor Pressure 0.01 mmHg at 20°C
Flash Point 127°C (Closed Cup)
Autoignition Temperature 605°C
Inhalation Effects Harmful, causes respiratory irritation
Packing Group II
Boiling Point 251°C

Toluene Diisocyanate Trade Information

Main Export Market(s) Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Product Description

General description:

Chemical Formula: C9H6N2O2

TDI is an important intermediate in the production of flexible polyurethane foam. TDI is obtained by the nitration of toluene. The hydrogenation of di-nitro toluene is then obtained to produce Toluene Diamine (TDA), which is, in turn, reacted with phosgene to form TDI. TDI is a clear, pale yellow liquid with a sharp, pungent odor. It is combustible only at high temperatures but burns to produce toxic gases (cyanides and nitrogen oxides). It is volatile, producing toxic concentrations at room temperature. The utmost care and safety measures have to be taken working with polyurethanes production

These are also used to produce proinflammatory cytokines and the secretions of chemokines coming from bronchial epithelial cells.

Prakash Chemicals International Pvt. Ltd is amongst the top global suppliers of Toluene Diisocyanate and the leading exporter of toluene diisocyanate from India.

Application & Usage:

Toluene Diisocyanate is a vital raw material for flexible polyurethane foam, for use in cushions, mattresses, garments, pads and gloves and packaging materials.
TDI is used in polyurethane coatings for automotive refinishing, wood finishes, and high-performance anti-corrosion coatings.
TDI is also used in PU based alkyd paints, wood varnish, floor treatment and wire and powder coating.
TDI is also used as shock absorbers

Some niche areas of its applications:

Elastomers: this is a rubber-like polymer that has a stretching capability of multiple hundreds of percent. Simultaneously, polymers can also return to their original shape and size when the stress that has been applied while stretching is released. These have high melting and boiling points. They find their applications in lightning applications, for wheels in skates, for printing rollers, abrasion-resistant sheathings in mining steel, and many other paper industries.

Toxicity Effects of Toluene Diisocyanate:

These have toxic effects in respiratory tracts: they may induce asthma in humans.
Eye infection
Skin irritations and infections
Prakash Chemicals International Pvt Ltd is amongst largest chemical distributors for Toluene Diisocyanate and other chemicals across the globe for both the quality of its products and reliability of services.
We supply Toluene Diisocyanate assuring the highest standards of safety. For more information about purchasing Toluene Diisocyanate or the other chemicals we offer, Contact us for your requirements and one of our representatives will assist you.

Key Features of Toluene Diisocyanate

Toluene Diisocyanate stands out for its role as a vital intermediate in the manufacture of polyurethane products. The material is a clear, colorless to pale yellow liquid with a characteristic pungent smell, a boiling point of 251C, and a high degree of purity. Reliable for industrial applications, it should be stored in airtight containers in cool, well-ventilated spaces to maintain stability and ensure safety.

Applications and Uses

TDI is primarily utilized in the production of flexible and rigid polyurethane foams, elastomers, adhesives, and coatings. Its reactive properties make it valuable for creating high-performance materials in automotive, furniture, and construction industries. Because it reacts vigorously with water and is volatile, handling should follow strict safety measures to avoid exposure and environmental contamination.

Handling and Storage Guidelines

Due to its toxic and volatile nature, TDI must be handled with advanced personal protective equipment in areas with adequate ventilation. The product should be kept in tightly sealed containers away from moisture, acids, and alcohols to prevent hazardous reactions. Following recommended storage practices ensures product stability and reduces the risk of accidents or environmental harm.

FAQs of Toluene Diisocyanate:

Q: How should Toluene Diisocyanate be safely stored?

A: Toluene Diisocyanate should be stored in a tightly closed container, placed in a cool, well-ventilated area away from moisture, water, alcohols, and acids. Proper storage is essential to prevent hazardous reactions and to maintain product stability.

Q: What is the primary usage of Toluene Diisocyanate in industry?

A: TDI is mainly used as an intermediate in the manufacture of polyurethane foams, elastomers, coatings, and adhesives, which are essential materials in automotive, construction, and furniture industries.

Q: When can hazardous reactions occur with Toluene Diisocyanate?

A: Hazardous reactions may occur if Toluene Diisocyanate comes into contact with water, acids, or alcohols, as it is highly reactive with these substances and can release toxic gases or cause uncontrolled polymerization.

Q: Where should Toluene Diisocyanate not be released?

A: TDI should not be released into the environment, especially water bodies, because it is hazardous to aquatic life. Strict measures should be in place to contain spills and prevent environmental contamination.

Q: How is Toluene Diisocyanate typically handled during manufacturing processes?

A: During manufacturing, Toluene Diisocyanate is handled in closed systems with advanced ventilation and appropriate personal protective equipment to minimize inhalation exposure, as it can cause respiratory irritation and is highly toxic.

Q: What benefits does Toluene Diisocyanate offer in polyurethane production?

A: TDI provides the necessary chemical reactivity for synthesizing high-quality polyurethane products, contributing to materials with desirable flexibility, strength, and durability for a range of industrial and consumer applications.

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