2-Methyl-3-butyn-2-amine

2-甲基-3-丁炔-2-胺

Also known as: 1,1-Dimethylpropargylamine, 1,1-Dimethyl-2-propynylamine, 1,1-Dimethylprop-2-ynylamine, 1,1-Dimethylpropynylamine, 2-methylbut-3-yn-2-amine, 3-Amino-3-methyl-1-butyne, 3-Amino-3-methylbut-1-yne, 1-Amino-1,1-dimethyl-2-propyne, 2-methyl-3-butyn-2-ylamine, 3-Butyn-2-amine, 2-methyl-

2-Methyl-3-butyn-2-amine (CAS 2978-58-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H9N and a molecular weight of 83.132 g/mol. It is also known as 1,1-Dimethylpropargylamine, 1,1-Dimethyl-2-propynylamine and 1,1-Dimethylprop-2-ynylamine. Key properties include a boiling point of 79.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 2.2±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2978-58-7
Jingsj CID
J-1505118-1
Molecular Formula
C5H9N
Chinese Name
2-甲基-3-丁炔-2-胺
Molecular Weight
83.132 g/mol
Category
Organic Bases
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point79.5±0.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point2.2±0.0 °C

Frequently Asked Questions

What is the CAS number of 2-Methyl-3-butyn-2-amine?

The CAS number of 2-Methyl-3-butyn-2-amine is 2978-58-7.

What are the molecular formula and molecular weight of 2-Methyl-3-butyn-2-amine?

2-Methyl-3-butyn-2-amine has molecular formula C5H9N and molecular weight 83.132 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Methyl-3-butyn-2-amine (CAS 2978-58-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505118-1 (accessed 2026-10-22).

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