Skip to main content
Jingsj
.mol.sdf

(R)-(+)-3-Butyn-2-ol

Also known as: (R)-(+)-1-Butyn-3-ol, (R)-3-Butyn-2-ol, (R)-3-Butyne-2-ol, (R)-but-3-yn-2-ol, (2R)-but-3-yn-2-ol, (2R)-3-Butyn-2-ol, MFCD00211237

(R)-(+)-3-Butyn-2-ol (CAS 42969-65-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H6O and a molecular weight of 70.090 g/mol. Key properties include a boiling point of 108-111 ºC, a density of 0.89 and a flash point of 10 ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H300 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42969-65-3
Jingsj CID
J-1095268-8
Molecular Formula
C4H6O
Molecular Weight
70.090 g/mol
Category
Alcohols
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point108-111 ºC
Density0.89
Flash Point10 ºC
Exact Mass70.041862
PSA20.23000
LogP-0.03
Vapor Pressure17.3±0.3 mmHg at 25°C
Refractive Index1.4235-1.4255

GHS Safety & Compliance

Flammable / Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H300
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage
  • H330 — Fatal if inhaled
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Frequently Asked Questions

What is the CAS number of (R)-(+)-3-Butyn-2-ol?

The CAS number of (R)-(+)-3-Butyn-2-ol is 42969-65-3.

What are the molecular formula and molecular weight of (R)-(+)-3-Butyn-2-ol?

(R)-(+)-3-Butyn-2-ol has molecular formula C4H6O and molecular weight 70.090 g/mol.

Is (R)-(+)-3-Butyn-2-ol hazardous?

(R)-(+)-3-Butyn-2-ol has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H300; H315 — Causes skin irritation.

What are the upstream and downstream products of (R)-(+)-3-Butyn-2-ol?

For (R)-(+)-3-Butyn-2-ol, Downstream Products: 3-Buten-2-ol, (R)-(-)-2-Butanol.

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

Last updated:

How to cite: Jingsj. "(R)-(+)-3-Butyn-2-ol (CAS 42969-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095268-8 (accessed 2026-11-09).

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