p-Tolyl isocyanate

对甲苯异氰酸酯

Also known as: 4-methylphenyl isocyanate, 1-isocyanato-4-methylbenzene, 4-isocyanatotoluene, p-methylphenyl isocyanate, p-toluene isocyanate, para-tolyl isocyanate, 4-tolyl isocyanate, p-Tolylcarbonimide, OCNR D1

p-Tolyl isocyanate (CAS 622-58-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7NO and a molecular weight of 133.147 g/mol. It is also known as 4-methylphenyl isocyanate, 1-isocyanato-4-methylbenzene and 4-isocyanatotoluene. Key properties include a boiling point of 190.6±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 63.9±24.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
622-58-2
Jingsj CID
J-14419-9
Molecular Formula
C8H7NO
Chinese Name
对甲苯异氰酸酯
Molecular Weight
133.147 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point190.6±19.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point63.9±24.1 °C

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of p-Tolyl isocyanate?

The CAS number of p-Tolyl isocyanate is 622-58-2.

What are the molecular formula and molecular weight of p-Tolyl isocyanate?

p-Tolyl isocyanate has molecular formula C8H7NO and molecular weight 133.147 g/mol.

Is p-Tolyl isocyanate hazardous?

p-Tolyl isocyanate 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. "p-Tolyl isocyanate (CAS 622-58-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14419-9 (accessed 2026-10-22).

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