but-3-yn-2-amine hydrochloride

丁-3-炔-2-胺盐酸盐

Also known as: 1-METHYL-PROP-2-YNYLAMINE HYDROCHLORIDE, 1-methyl-2-propynylamine hydrochloride, 2-Amino-3-butyne hydrochloride, 3-Butyn-2-amine hydrochloride, but-3-yn-2-amine HCl, (1-methylprop-2-yn-1-yl)amine hydrochloride

but-3-yn-2-amine hydrochloride (CAS 42105-26-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8ClN and a molecular weight of 105.56600 g/mol. It is also known as 1-METHYL-PROP-2-YNYLAMINE HYDROCHLORIDE, 1-methyl-2-propynylamine hydrochloride and 2-Amino-3-butyne hydrochloride. Key properties include a boiling point of 132.4ºC at 760 mmHg and a flash point of 33.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42105-26-0
Jingsj CID
J-1161864-7
Molecular Formula
C4H8ClN
Chinese Name
丁-3-炔-2-胺盐酸盐
Molecular Weight
105.56600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point132.4ºC at 760 mmHg
Flash Point33.9ºC

Frequently Asked Questions

What is the CAS number of but-3-yn-2-amine hydrochloride?

The CAS number of but-3-yn-2-amine hydrochloride is 42105-26-0.

What are the molecular formula and molecular weight of but-3-yn-2-amine hydrochloride?

but-3-yn-2-amine hydrochloride has molecular formula C4H8ClN and molecular weight 105.56600 g/mol.

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

Last updated:

How to cite: Jingsj. "but-3-yn-2-amine hydrochloride (CAS 42105-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161864-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.