(Disulfanediyldi-4,1-phenylene)dimethanol

Also known as: 4,4'-Dithiobisbenzenemethanol, 4,4'-Dithiobisbenzyl Alcohol, 4,4'-Dithiodibenzyl Alcohol, Bis(4-(hydroxymethyl)phenyl) disulfide, Benzenemethanol, 4,4'-dithiobis-

(Disulfanediyldi-4,1-phenylene)dimethanol (CAS 7748-20-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H14O2S2 and a molecular weight of 278.390 g/mol. Key properties include a boiling point of 465.9±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 226.0±26.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7748-20-1
Jingsj CID: J-1034735-0
Molecular Formula: C₁₄H₁₄O₂S₂
Molecular Weight: 278.390 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	465.9±40.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	226.0±26.0 °C
Exact Mass	278.043518
PSA	91.06000
LogP	2.04
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.705

Frequently Asked Questions

What is the CAS number of (Disulfanediyldi-4,1-phenylene)dimethanol?

The CAS number of (Disulfanediyldi-4,1-phenylene)dimethanol is 7748-20-1.

What are the molecular formula and molecular weight of (Disulfanediyldi-4,1-phenylene)dimethanol?

(Disulfanediyldi-4,1-phenylene)dimethanol has molecular formula C14H14O2S2 and molecular weight 278.390 g/mol.

What are the upstream and downstream products of (Disulfanediyldi-4,1-phenylene)dimethanol?

For (Disulfanediyldi-4,1-phenylene)dimethanol, Upstream Products: 4-Mercaptobenzyl alcohol, 4,4'-Dithiobisbenzoic acid, Methyl 4-mercaptobenzoate.

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. "(Disulfanediyldi-4,1-phenylene)dimethanol (CAS 7748-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034735-0 (accessed 2026-11-09).

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