bis(2-chlorophenyl) disulfide

Also known as: 1,1'-Disulfanediylbis(2-chlorobenzene), 1,2-Bis(2-chlorophenyl)disulfane, Disulfide, bis(2-chlorophenyl), 2,2'-Dichlorodiphenyl disulfide, 2,2'-Dichloro diphenyl disulfide

bis(2-chlorophenyl) disulfide (CAS 31121-19-4) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2S2 and a molecular weight of 287.228 g/mol. Key properties include a boiling point of 352.6±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 157.2±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31121-19-4
Jingsj CID: J-1993057-5
Molecular Formula: C₁₂H₈Cl₂S₂
Molecular Weight: 287.228 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	352.6±27.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	157.2±20.9 °C
Exact Mass	285.944458
PSA	50.60000
LogP	5.93
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.695
Storage Conditions	2-8°C

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(2-chlorophenyl) disulfide?

The CAS number of bis(2-chlorophenyl) disulfide is 31121-19-4.

What are the molecular formula and molecular weight of bis(2-chlorophenyl) disulfide?

bis(2-chlorophenyl) disulfide has molecular formula C12H8Cl2S2 and molecular weight 287.228 g/mol.

What are the upstream and downstream products of bis(2-chlorophenyl) disulfide?

For bis(2-chlorophenyl) disulfide, Upstream Products: 2-Chlorobenzenethiol, 2-Chlorophenylboronic acid, 2-Chlorobenzenesulfonyl chloride; Downstream Products: 2-[(2-Chlorophenyl)sulfanyl]-1,3-benzothiazole.

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(2-chlorophenyl) disulfide (CAS 31121-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993057-5 (accessed 2026-11-09).

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