Propargyl methanesulfonate
Also known as: 2-Propyn-1-ol, 1-methanesulfonate, 2-Propyn-1-ol, methanesulfonate, Propargyl mesylate, Propargyl methanesulfonate ester, Prop-2-ynyl methanesulfonate, Methanesulfonic acid prop-2-ynyl ester, 2-Propynyl methanesulfonate
Propargyl methanesulfonate (CAS 16156-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H6O3S and a molecular weight of 134.15400 g/mol. Key properties include a boiling point of 246.7ºC at 760mmHg, a density of 1.268g/cm3 and a flash point of 103ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16156-58-4
- Jingsj CID
- J-10575-9
- Molecular Formula
- C4H6O3S
- Molecular Weight
- 134.15400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 246.7ºC at 760mmHg |
|---|---|
| Density | 1.268g/cm3 |
| Flash Point | 103ºC |
| Exact Mass | 134.00400 |
| PSA | 51.75000 |
| LogP | 0.67660 |
| Vapor Pressure | 0.042mmHg at 25°C |
| Refractive Index | 1.459 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
Customs & Trade Information
| HS Code | 2905290000 |
|---|---|
| Summary | 2905290000 unsaturated monohydric alcohols。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 Propargyl methanesulfonate?
The CAS number of Propargyl methanesulfonate is 16156-58-4.
What are the molecular formula and molecular weight of Propargyl methanesulfonate?
Propargyl methanesulfonate has molecular formula C4H6O3S and molecular weight 134.15400 g/mol.
Is Propargyl methanesulfonate hazardous?
Propargyl methanesulfonate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of Propargyl methanesulfonate?
For Propargyl methanesulfonate, Downstream Products: 1,5-Decadiyne, N-Propargylphthalimide, 3-Bromopropyne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Propargyl methanesulfonate (CAS 16156-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10575-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.