Diisoamyl disulfide

Also known as: Isoamyl disulfide, Diisopentyl disulfide, Bis(3-methylbutyl) disulfide, 1-(Isopentyldisulfanyl)-3-methylbutane, 2,9-Dimethyl-5,6-dithiadecane, 3-Methyl-1-[(3-methylbutyl)disulfanyl]butane, 3-methyl-1-(3-methylbutyldisulfanyl)butane, 5,6-Dithia-2,9-dimethyldecane, Bis(3-methylbutyl) persulfide, Di(isoamyl) persulfide, Di(isopentyl) persulfide, Di-g-amyldisulfid, Diisoamyl persulfide, Diisopentyl perdisulfide, Diisopentyl-disulfid, Disulfide, bis(3-methylbutyl), EINECS 218-113-0, Isopentyl disulfide, MFCD00026520, i-pentyl disulfide

Diisoamyl disulfide (CAS 2051-04-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H22S2 and a molecular weight of 206.412 g/mol. Key properties include a boiling point of 250.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 81.2±20.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2051-04-9
Jingsj CID: J-15560-7
Molecular Formula: C₁₀H₂₂S₂
Molecular Weight: 206.412 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	250.0±0.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	81.2±20.2 °C
Exact Mass	206.116287
PSA	50.60000
LogP	5.65
Vapor Pressure	0.0±0.4 mmHg at 25°C
Refractive Index	1.490

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 Diisoamyl disulfide?

The CAS number of Diisoamyl disulfide is 2051-04-9.

What are the molecular formula and molecular weight of Diisoamyl disulfide?

Diisoamyl disulfide has molecular formula C10H22S2 and molecular weight 206.412 g/mol.

What are the upstream and downstream products of Diisoamyl disulfide?

For Diisoamyl disulfide, Upstream Products: 1-bromo-3-methylbutane, 3-Methyl-1-butanethiol, Ethylmagnesium bromide; Downstream Products: diisopentyl sulfide, hydrogen sulfide, 1,6-Dimethylnaphthalene.

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. "Diisoamyl disulfide (CAS 2051-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15560-7 (accessed 2026-11-07).

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