Bis(3,5-dichlorophenyl) disulfide

Also known as: 3,3',5,5'-Tetrachlorodiphenyl disulfide, 1,2-Bis(3,5-dichlorophenyl)disulfane, 1,1'-Disulfanediylbis(3,5-dichlorobenzene), Disulfide, bis(3,5-dichlorophenyl), MFCD01862261

Bis(3,5-dichlorophenyl) disulfide (CAS 137897-99-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H6Cl4S2 and a molecular weight of 356.118 g/mol. Key properties include a melting point of 66-69 °C(lit.), a boiling point of 429.7±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 197.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 137897-99-5
Jingsj CID: J-1990807-7
Molecular Formula: C₁₂H₆Cl₄S₂
Molecular Weight: 356.118 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	66-69 °C(lit.)
Boiling Point	429.7±45.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	197.1±25.9 °C
Exact Mass	353.866516
PSA	50.60000
LogP	6.76
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.708

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(3,5-dichlorophenyl) disulfide?

The CAS number of Bis(3,5-dichlorophenyl) disulfide is 137897-99-5.

What are the molecular formula and molecular weight of Bis(3,5-dichlorophenyl) disulfide?

Bis(3,5-dichlorophenyl) disulfide has molecular formula C12H6Cl4S2 and molecular weight 356.118 g/mol.

What are the upstream and downstream products of Bis(3,5-dichlorophenyl) disulfide?

For Bis(3,5-dichlorophenyl) disulfide, Upstream Products: 3,5-Dichlorobenzenesulfonyl chloride, 3,5-Dichlorobenzenethiol; Downstream Products: 3,5-Dichlorobenzenesulfonyl chloride.

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(3,5-dichlorophenyl) disulfide (CAS 137897-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990807-7 (accessed 2026-11-09).

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