3,3-Dimethyl-1-Butyne

Also known as: 1-Butyne, 3,3-dimethyl-, 1-Butyne, 3,3-dimethyl- (6CI, 8CI, 9CI), 3,3-DIMETHYL-1-BUTYNE(INTERMEDIATE OF TERBINAFINE), 3,3-DIMETHYL-1-BUTYNE(TERT-BUTYLACETYLENE), 3,3-Dimethyl-1-butyne, 3,3-Dimethylbut-1-in, 3,3-dimethylbut-1-yne, 3.3-DIMETHYL-1-BUTYNE 97+%, EINECS 213-035-3, MFCD00049181, Neohexyne, T-BUTYL ACETYLENE, TERT-BUTYLACETYLENE, TERT-BUTYLETHYNE, t-Butylacetylene, tert-Butylacetylene

3,3-Dimethyl-1-Butyne (CAS 917-92-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10 and a molecular weight of 82.144 g/mol. Key properties include a melting point of -78 °C, a boiling point of 37.7±0.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -41.2±2.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 917-92-0
Jingsj CID: J-5161-6
Molecular Formula: C₆H₁₀
Molecular Weight: 82.144 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-78 °C
Boiling Point	37.7±0.0 °C at 760 mmHg
Density	0.7±0.1 g/cm3
Flash Point	-41.2±2.8 °C
Exact Mass	82.078247
LogP	2.23
Vapor Pressure	480.9±0.0 mmHg at 25°C
Refractive Index	1.411

Customs & Trade Information

HS Code	2942000000

Frequently Asked Questions

What is the CAS number of 3,3-Dimethyl-1-Butyne?

The CAS number of 3,3-Dimethyl-1-Butyne is 917-92-0.

What are the molecular formula and molecular weight of 3,3-Dimethyl-1-Butyne?

3,3-Dimethyl-1-Butyne has molecular formula C6H10 and molecular weight 82.144 g/mol.

What are the upstream and downstream products of 3,3-Dimethyl-1-Butyne?

For 3,3-Dimethyl-1-Butyne, Upstream Products: 1,2-dibromo-3,3-dimethylbutane, Pinacolone, 1,1-Dichloro-3,3-dimethylbutane; Downstream Products: 1-Phenyl-2-propen-1-ol, 6,6-Dimethyl-1-hepten-4-yn-3-ol, ethyl 3,3-dimethylbutanoate.

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. "3,3-Dimethyl-1-Butyne (CAS 917-92-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5161-6 (accessed 2026-11-09).

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