Bis(1,1,3,3-tetramethylbutyl) disulfide

Also known as: Di-tert-octyl disulfide, tert-Octyl disulfide, Bis(2,4,4-trimethylpentan-2-yl) disulfide, 2,2,4-Trimethyl-4-[(2,4,4-trimethylpentan-2-yl)disulfanyl]pentane, Disulfide, bis(1,1,3,3-tetramethylbutyl), EINECS 249-974-0

Bis(1,1,3,3-tetramethylbutyl) disulfide (CAS 29956-99-8) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C16H34S2 and a molecular weight of 290.571 g/mol. Key properties include a boiling point of 336.6±11.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 68.9±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29956-99-8
Jingsj CID: J-1503848-9
Molecular Formula: C₁₆H₃₄S₂
Molecular Weight: 290.571 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	336.6±11.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	68.9±20.8 °C
Exact Mass	290.210205
PSA	50.60000
LogP	7.75
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.486

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bis(1,1,3,3-tetramethylbutyl) disulfide?

The CAS number of Bis(1,1,3,3-tetramethylbutyl) disulfide is 29956-99-8.

What are the molecular formula and molecular weight of Bis(1,1,3,3-tetramethylbutyl) disulfide?

Bis(1,1,3,3-tetramethylbutyl) disulfide has molecular formula C16H34S2 and molecular weight 290.571 g/mol.

What are the upstream and downstream products of Bis(1,1,3,3-tetramethylbutyl) disulfide?

For Bis(1,1,3,3-tetramethylbutyl) disulfide, Upstream Products: 2,4,4-trimethylpentane-2-thiol.

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. "Bis(1,1,3,3-tetramethylbutyl) disulfide (CAS 29956-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503848-9 (accessed 2026-11-06).

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