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Toluene Diisocyanate CAS#26471-62-5

Toluene Diisocyanate CAS#26471-62-5

Basic Information

Toluene Diisocyanate
clear, pale yellow liquid

Toluene diisocyanate is a pungent pale-yellow liquid composed of two isomers and soluble in common organic solvents. It reacts with hydroxyl groups to form urethane bonds, making it a core polyurethane raw material. Applications include flexible foams for furniture, bedding, and vehicle seating; elastomers and coatings; rigid insulation foams; moisture-curable sealants; and floor coatings.

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product description

High Purity and Clear Appearance:TDI is a clear, pale yellow liquid, indicating consistent quality and suitability for industrial processing


Excellent Solvent Compatibility:It is insoluble in water but miscible with most common organic solvents, making it easy to formulate and process in various applications.


Flexible Isomer Composition:Commercially available in different 2,4-TDI / 2,6-TDI ratios (commonly 80/20), allowing manufacturers to tailor performance to specific needs.


Proven and Widely Used Industrial Chemical:TDI has extensive global usage and historically accounted for a significant share of the isocyanate market, demonstrating reliability and broad industrial acceptance.




Product Description of Toluene Diisocyanate CAS#26471-62-5

TDI is a pungent pale yellow liquid soluble in common organic solvents. It is a mixture of two isomers, dominantly in 80/20 ratio, and holds a large share in global isocyanate market.


Product Application of Toluene Diisocyanate CAS#26471-62-5

TDI reacts with hydroxyl groups to form urethane bonds, used primarily in flexible polyurethane foams (furniture, bedding, vehicle seating). Other applications include polyurethane elastomers (auto parts, coatings), rigid foams (refrigerator insulation, construction, shipping containers), and moisture-curable sealants and floor coatings.

Product Specifications

Parameters


Melting point19.5~21.5℃
Boiling point247℃
density1.22
vapor pressure0.03 hPa ( 20 °C)
refractive index1.5660 to 1.5700
Fp137 °C
storage temp.Store below +30°C.
solubilitymiscible with Ether,Acetone,Benzene
formclear liquid
colorColorless to Light yellow
OdorSharp, pungent odor
explosive limit0.9-9.5% (v/v)
Water Solubility124mg/L at 25℃
InChI1S/C9H6N2O2/c1-7-2-3-8(10-5-12)4-9(7)11-6-13/h2-4H,1H3
InChIKeyDVKJHBMWWAPEIU-UHFFFAOYSA-N
SMILESN(=C=O)c1c(ccc(c1)N=C=O)C
LogP3.43 at 22℃
CAS DataBase Reference26471-62-5(CAS DataBase Reference)
IARC2B (Vol. 39, Sup 7, 71) 1999
EPA Substance Registry SystemToluene diisocyanate (26471-62-5)


Safety Information


Risk Statements26-36/37/38-40-42/43-52/53
Safety Statements23-36/37/39-45-24/25
RIDADR2078
WGK GermanyWGK 2
RTECSNQ9490000
Autoignition Temperature620°C
TSCATSCA listed
HazardClass6.1(a)
PackingGroupII
HS Code29291090
Storage Class6.1A - Combustible, acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard ClassificationsAcute Tox. 1 Inhalation
Aquatic Chronic 3
Carc. 2
Eye Irrit. 2
Resp. Sens. 1
Skin Irrit. 2
Skin Sens. 1A
STOT SE 3
Hazardous Substances Data26471-62-5(Hazardous Substances Data)


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Shipping And Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.


2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.


3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.


4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.


5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.

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