4-Chloro-2-butyn-1-ol

Also known as: 1-Chloro-2-butyn-4-ol, 1-Chloro-4-hydroxy-2-butyne, 1-Chloro-4-hydroxybut-2-yne, 2-Butyn-1-ol, 4-chloro-, 4-Chlorobut-2-yn-1-ol, 4-chloro-2-butyne-1-ol, 4-chlorobut-2-yne-1-ol, 4-hydroxybut-2-ynyl chloride, LIGAMO-001

4-Chloro-2-butyn-1-ol (CAS 13280-07-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H5ClO and a molecular weight of 104.53500 g/mol. Key properties include a boiling point of 199.2ºC at 760mmHg, a density of 1.213 and a flash point of 74.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13280-07-4
Jingsj CID: J-36787-3
Molecular Formula: C₄H₅ClO
Molecular Weight: 104.53500 g/mol
Category: Alcohols
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	199.2ºC at 760mmHg
Density	1.213
Flash Point	74.3ºC
Exact Mass	104.00300
PSA	20.23000
LogP	0.22090
Vapor Pressure	0.0866mmHg at 25°C
Refractive Index	1.5004

Customs & Trade Information

HS Code	2905590090
Summary	2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic 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 4-Chloro-2-butyn-1-ol?

The CAS number of 4-Chloro-2-butyn-1-ol is 13280-07-4.

What are the molecular formula and molecular weight of 4-Chloro-2-butyn-1-ol?

4-Chloro-2-butyn-1-ol has molecular formula C4H5ClO and molecular weight 104.53500 g/mol.

What are the upstream and downstream products of 4-Chloro-2-butyn-1-ol?

For 4-Chloro-2-butyn-1-ol, Upstream Products: Formaldehyde, 3-Chloropropyne, 2-Butyne-1,4-diol; Downstream Products: 4-(Pyrrolidin-1-yl)but-2-yn-1-ol, 2-Octyn-1-ol, 2-Hexyn-1-ol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chloro-2-butyn-1-ol (CAS 13280-07-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36787-3 (accessed 2026-11-09).

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