4,4'-Dithiobisbenzoic acid
Also known as: 4,4'-Disulfanediyldibenzoic acid, 4,4'-Dithiobenzoic acid, 4,4'-Dithiodibenzoic acid, bis(4-carboxyphenyl) disulfide, p-Carboxyphenyl disulfide, Benzoic acid, 4,4'-dithiobis-, 4-[(4-carboxyphenyl)disulfanyl]benzoic acid
4,4'-Dithiobisbenzoic acid (CAS 1155-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H10O4S2 and a molecular weight of 306.357 g/mol. Key properties include a melting point of 317-320ºC dec., a boiling point of 525.2±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 271.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1155-51-7
- Jingsj CID
- J-17083-2
- Molecular Formula
- C14H10O4S2
- Molecular Weight
- 306.357 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 317-320ºC dec. |
|---|---|
| Boiling Point | 525.2±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 271.4±25.9 °C |
| Exact Mass | 306.002045 |
| PSA | 125.20000 |
| LogP | 4.48 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.736 |
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 4,4'-Dithiobisbenzoic acid?
The CAS number of 4,4'-Dithiobisbenzoic acid is 1155-51-7.
What are the molecular formula and molecular weight of 4,4'-Dithiobisbenzoic acid?
4,4'-Dithiobisbenzoic acid has molecular formula C14H10O4S2 and molecular weight 306.357 g/mol.
What are the upstream and downstream products of 4,4'-Dithiobisbenzoic acid?
For 4,4'-Dithiobisbenzoic acid, Upstream Products: 4-Mercaptobenzoic acid, 4-aminobenzoic acid, 4-Bromobenzoic acid; Downstream Products: Methyl 4-(methylthio)benzoate, Methyl 4-mercaptobenzoate, (Disulfanediyldi-4,1-phenylene)dimethanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dithiobisbenzoic acid (CAS 1155-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17083-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.