2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne

2,5-二甲基-2,5-二叔丁基过氧基-3-己炔

Also known as: 2,5-Dimethyl-2,5-di(tert-butylperoxy)-3-hexyne, 2,5-Dimethyl-2,5-di(tertiary-butylperoxy)-hexyne-3, 2,5-Bis(tert-butylperoxy)-2,5-dimethyl-3-hexyne, 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne, 2,5-Dimethyl-2,5-bis[(2-methyl-2-propanyl)peroxy]-3-hexyne, Peroxide, (1,1,4,4-tetramethyl-2-butyne-1,4-diyl)bis[(1,1-dimethylethyl), VAROX 130, VAROX 130-XL, EINECS 213-944-5, MFCD00048242

2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne (CAS 1068-27-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H30O4 and a molecular weight of 286.407 g/mol. It is also known as 2,5-Dimethyl-2,5-di(tert-butylperoxy)-3-hexyne, 2,5-Dimethyl-2,5-di(tertiary-butylperoxy)-hexyne-3 and 2,5-Bis(tert-butylperoxy)-2,5-dimethyl-3-hexyne. Key properties include a melting point of 88 °C (SADT)(lit.), a boiling point of 304.8±27.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 85.0±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1068-27-5
Jingsj CID
J-4535-7
Molecular Formula
C16H30O4
Chinese Name
2,5-二甲基-2,5-二叔丁基过氧基-3-己炔
Molecular Weight
286.407 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point88 °C (SADT)(lit.)
Boiling Point304.8±27.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point85.0±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne?

The CAS number of 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne is 1068-27-5.

What are the molecular formula and molecular weight of 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne?

2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne has molecular formula C16H30O4 and molecular weight 286.407 g/mol.

Is 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne hazardous?

2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne (CAS 1068-27-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4535-7 (accessed 2026-10-23).

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