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4,4'-Thiobisbenzenethiol

4,4'-硫代双苯硫酚

Also known as: 4,4'-Thiodibenzenethiol, 4,4'-Dimercaptodiphenyl sulfide, Bis(4-mercaptophenyl) sulfide, 4-(4-Sulfanylphenyl)sulfanylbenzenethiol, 4-[(4-Sulfanylphenyl)sulfanyl]phenyl hydrosulfide, Benzenethiol, 4,4'-thiobis-, MFCD00142119

4,4'-Thiobisbenzenethiol (CAS 19362-77-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H10S3 and a molecular weight of 250.403 g/mol. It is also known as 4,4'-Thiodibenzenethiol, 4,4'-Dimercaptodiphenyl sulfide and Bis(4-mercaptophenyl) sulfide. Key properties include a melting point of 112-114 °C(lit.), a boiling point of 431.2±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 214.6±24.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19362-77-7
Jingsj CID
J-1317433-2
Molecular Formula
C12H10S3
Chinese Name
4,4'-硫代双苯硫酚
Molecular Weight
250.403 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-114 °C(lit.)
Boiling Point431.2±30.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point214.6±24.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,4'-Thiobisbenzenethiol?

The CAS number of 4,4'-Thiobisbenzenethiol is 19362-77-7.

What are the molecular formula and molecular weight of 4,4'-Thiobisbenzenethiol?

4,4'-Thiobisbenzenethiol has molecular formula C12H10S3 and molecular weight 250.403 g/mol.

Is 4,4'-Thiobisbenzenethiol hazardous?

4,4'-Thiobisbenzenethiol has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4,4'-Thiobisbenzenethiol (CAS 19362-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317433-2 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.