bis(4-chlorophenyl) disulfide

Also known as: 4,4'-Dichlorodiphenyl disulfide, 4,4'-Dichloro diphenyl disulfide, 1,1'-Disulfanediylbis(4-chlorobenzene), 1-chloro-4-[(4-chlorophenyl)disulfanyl]benzene, 4-Chlorophenyl disulfide, DDDS, Disulfide, bis(4-chlorophenyl), Disulfide, bis(p-chlorophenyl), EINECS 214-531-2, MFCD00013642, NSC 32025

bis(4-chlorophenyl) disulfide (CAS 1142-19-4) 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 melting point of 71-74 °C(lit.), a boiling point of 373.2±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 167.8±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1142-19-4
Jingsj CID: J-1990803-0
Molecular Formula: C₁₂H₈Cl₂S₂
Molecular Weight: 287.228 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	71-74 °C(lit.)
Boiling Point	373.2±27.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	167.8±20.9 °C
Exact Mass	285.944458
PSA	50.60000
LogP	6.08
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.695

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(4-chlorophenyl) disulfide?

The CAS number of bis(4-chlorophenyl) disulfide is 1142-19-4.

What are the molecular formula and molecular weight of bis(4-chlorophenyl) disulfide?

bis(4-chlorophenyl) disulfide has molecular formula C12H8Cl2S2 and molecular weight 287.228 g/mol.

What are the upstream and downstream products of bis(4-chlorophenyl) disulfide?

For bis(4-chlorophenyl) disulfide, Upstream Products: 1-Chloro-4-iodobenzene, 4-Chlorothiophenol, Sodium 4-chlorobenzenesulfinate; Downstream Products: 4-(Trifluoromethylthio)chlorobenzene, 4-[(4-Chlorophenyl)sulfanyl]aniline, Benzamide.

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(4-chlorophenyl) disulfide (CAS 1142-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990803-0 (accessed 2026-11-07).

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