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2-Toluenesulfonyl isocyanate

2-甲基苯磺酰基异氰酸酯

Also known as: o-Toluenesulfonyl isocyanate, o-Toluenesulphonyl isocyanate, o-Tolylsulphonyl isocyanate, 2-methylbenzenesulfonyl isocyanate, 2-methyl-N-(oxomethylidene)benzenesulfonamide, 2-MeC6H4-NCO, MFCD00037045, toluenesulfonyl isocyanate

2-Toluenesulfonyl isocyanate (CAS 32324-19-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7NO3S and a molecular weight of 197.21100 g/mol. It is also known as o-Toluenesulfonyl isocyanate, o-Toluenesulphonyl isocyanate and o-Tolylsulphonyl isocyanate. Key properties include a boiling point of 129 °C (5 mmHg), a density of 1.303 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32324-19-9
Jingsj CID
J-42750-8
Molecular Formula
C8H7NO3S
Chinese Name
2-甲基苯磺酰基异氰酸酯
Molecular Weight
197.21100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point129 °C (5 mmHg)
Density1.303 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Toluenesulfonyl isocyanate?

The CAS number of 2-Toluenesulfonyl isocyanate is 32324-19-9.

What are the molecular formula and molecular weight of 2-Toluenesulfonyl isocyanate?

2-Toluenesulfonyl isocyanate has molecular formula C8H7NO3S and molecular weight 197.21100 g/mol.

Is 2-Toluenesulfonyl isocyanate hazardous?

2-Toluenesulfonyl 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. "2-Toluenesulfonyl isocyanate (CAS 32324-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42750-8 (accessed 2026-10-24).

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