Toluene Diisocyanate CAS#26471-62-5

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.




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Product Description

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 Information

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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FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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