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3-Methyl-1-octyn-3-ol

Also known as: 1-Octyn-3-ol, 3-methyl-, 1-Octyn-3-ol,3-methyl, 3-hydroxy-3-methyl-1-octyne, 3-methyl-oct-1-yn-3-ol, 3-methyloct-1-yn-3-ol, EINECS 245-751-7, Ethynyl methyl pentyl carbinol, Methyl-n-amyl-acetylenyl-carbinol, Methyl-pentyl-aethinyl-carbinol, methyl-n-amyl ethynyl carbinol, 2-Ethynyl-2-heptanol, (±)-3-Methyl-1-octyn-3-ol

3-Methyl-1-octyn-3-ol (CAS 23580-51-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H16O and a molecular weight of 140.22300 g/mol. Key properties include a boiling point of 169.4ºC at 760mmHg, a density of 0.885g/cm3 and a flash point of 57ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23580-51-0
Jingsj CID
J-1360258-9
Molecular Formula
C9H16O
Molecular Weight
140.22300 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point169.4ºC at 760mmHg
Density0.885g/cm3
Flash Point57ºC
Exact Mass140.12000
PSA20.23000
LogP1.95090
Vapor Pressure0.5mmHg at 25°C
Refractive Index1.456

Customs & Trade Information

HS Code2905290000
Summary2905290000 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 3-Methyl-1-octyn-3-ol?

The CAS number of 3-Methyl-1-octyn-3-ol is 23580-51-0.

What are the molecular formula and molecular weight of 3-Methyl-1-octyn-3-ol?

3-Methyl-1-octyn-3-ol has molecular formula C9H16O and molecular weight 140.22300 g/mol.

What are the upstream and downstream products of 3-Methyl-1-octyn-3-ol?

For 3-Methyl-1-octyn-3-ol, Upstream Products: 2-Heptanone, Trimethylaluminium, Sodium acetylide; Downstream Products: 2-Methylhexanal.

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

Last updated:

How to cite: Jingsj. "3-Methyl-1-octyn-3-ol (CAS 23580-51-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360258-9 (accessed 2026-11-09).

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