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Propargyl acetate

Also known as: 2-Propynyl acetate, Prop-2-ynyl acetate, 1-Acetoxy-2-propyne, 3-Acetoxypropyne, 2-Propyn-1-ol, acetate, 2-Propyn-1-yl acetate

Propargyl acetate (CAS 627-09-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. Key properties include a boiling point of 27-28ºC(lit.), a density of 0.989 and a flash point of 32.8 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
627-09-8
Jingsj CID
J-30655-8
Molecular Formula
C5H6O2
Molecular Weight
98.09990 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point27-28ºC(lit.)
Density0.989
Flash Point32.8 °C
Exact Mass98.03680
PSA26.30000
LogP0.18270
AppearanceLiquid | Clear colorless
Refractive Indexn20/D 1.417(lit.)

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H226 — Flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Frequently Asked Questions

What is the CAS number of Propargyl acetate?

The CAS number of Propargyl acetate is 627-09-8.

What are the molecular formula and molecular weight of Propargyl acetate?

Propargyl acetate has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.

Is Propargyl acetate hazardous?

Propargyl acetate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of Propargyl acetate?

For Propargyl acetate, Upstream Products: Acetyl chloride, acetic acid, 2-(propargyloxy)tetrahydropyran; Downstream Products: 2,6-Diphenylpyridine, Allene, resmethrin.

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 acetate (CAS 627-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30655-8 (accessed 2026-11-09).

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