Skip to main content

(Methylsulfonyl)acetonitrile

Also known as: Methylsulfonylacetonitrile, Methanesulfonylacetonitrile, Mesylacetonitrile, Cyanomethyl methyl sulphone, 2-(Methylsulfonyl)acetonitrile, 2-(Methylsulphonyl)acetonitrile, 2-methanesulfonylacetonitrile, Methylsulphonylacetonitrile, Acetonitrile, (methylsulfonyl)-, Acetonitrile, 2-(methylsulfonyl)-, Cyanomethylsulfonylmethane

(Methylsulfonyl)acetonitrile (CAS 2274-42-2) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H5NO2S and a molecular weight of 119.142 g/mol. Key properties include a melting point of 81-84 °C(lit.), a boiling point of 360.6±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 171.9±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2274-42-2
Jingsj CID
J-35477-6
Molecular Formula
C3H5NO2S
Molecular Weight
119.142 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point81-84 °C(lit.)
Boiling Point360.6±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point171.9±23.2 °C
Exact Mass119.004097
PSA66.31000
LogP-1.42
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.447

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (Methylsulfonyl)acetonitrile?

The CAS number of (Methylsulfonyl)acetonitrile is 2274-42-2.

What are the molecular formula and molecular weight of (Methylsulfonyl)acetonitrile?

(Methylsulfonyl)acetonitrile has molecular formula C3H5NO2S and molecular weight 119.142 g/mol.

Is (Methylsulfonyl)acetonitrile hazardous?

(Methylsulfonyl)acetonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

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

Last updated:

How to cite: Jingsj. "(Methylsulfonyl)acetonitrile (CAS 2274-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35477-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.