3-(Methylsulfonyl)-1-propyne

3-(甲磺酰基)-1-丙炔

Also known as: 3-methylsulfonylprop-1-yne, 3-methanesulfonylprop-1-yne, 1-Propyne, 3-(methylsulfonyl)-, 3-(Methylsulfonyl)-1-propyne 95%, 3-(methanesulfonyl)propyne

3-(Methylsulfonyl)-1-propyne (CAS 111247-76-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6O2S and a molecular weight of 118.15400 g/mol. It is also known as 3-methylsulfonylprop-1-yne, 3-methanesulfonylprop-1-yne and 1-Propyne, 3-(methylsulfonyl)-. Key property: a flash point of >110 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
111247-76-8
Jingsj CID
J-1191746-9
Molecular Formula
C4H6O2S
Chinese Name
3-(甲磺酰基)-1-丙炔
Molecular Weight
118.15400 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Flash Point>110 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(Methylsulfonyl)-1-propyne?

The CAS number of 3-(Methylsulfonyl)-1-propyne is 111247-76-8.

What are the molecular formula and molecular weight of 3-(Methylsulfonyl)-1-propyne?

3-(Methylsulfonyl)-1-propyne has molecular formula C4H6O2S and molecular weight 118.15400 g/mol.

Is 3-(Methylsulfonyl)-1-propyne hazardous?

3-(Methylsulfonyl)-1-propyne has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-(Methylsulfonyl)-1-propyne (CAS 111247-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1191746-9 (accessed 2026-10-26).

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