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. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Flash Point | >110 °C |
|---|---|
| Exact Mass | 118.00900 |
| PSA | 42.52000 |
| LogP | 0.74500 |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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 and hazard statements H317 — May cause an allergic skin reaction.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.