Isophorone diisocyanate

异佛尔酮二异氰酸酯

Also known as: IPDI, 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, Cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-, isophorone diisocyanate, isophoronediaminediisocyanate, isocyanic acid, methylene(3,5,5-trimethyl-3,1-cyclohexylene) ester, 1,1,5,5-Tetramethylcyclohexane-α-1,3-diisocyanate

Isophorone diisocyanate (CAS 4098-71-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H18N2O2 and a molecular weight of 222.283 g/mol. It is also known as IPDI, 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate. Key properties include a melting point of -60°C, a boiling point of 286.9±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 116.0±25.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4098-71-9
Jingsj CID
J-962640-7
Molecular Formula
C12H18N2O2
Chinese Name
异佛尔酮二异氰酸酯
Molecular Weight
222.283 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-60°C
Boiling Point286.9±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point116.0±25.2 °C

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Isophorone diisocyanate?

The CAS number of Isophorone diisocyanate is 4098-71-9.

What are the molecular formula and molecular weight of Isophorone diisocyanate?

Isophorone diisocyanate has molecular formula C12H18N2O2 and molecular weight 222.283 g/mol.

Is Isophorone diisocyanate hazardous?

Isophorone diisocyanate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Isophorone diisocyanate (CAS 4098-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-962640-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.