3,3'-Dithiobisbenzoic acid
Also known as: 3,3'-Disulfanediyldibenzoic acid, Benzoic acid, 3,3'-dithiobis-, 3-[(3-carboxyphenyl)disulfanyl]benzoic acid, 3,3'-Dicarboxylic diphenyl disulfide, NSC 113997
3,3'-Dithiobisbenzoic acid (CAS 1227-49-2) 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 253-258ºC, a boiling point of 537.9±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 279.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1227-49-2
- Jingsj CID
- J-1116342-1
- 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 | 253-258ºC |
|---|---|
| Boiling Point | 537.9±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 279.1±25.9 °C |
| Exact Mass | 306.002045 |
| PSA | 125.20000 |
| LogP | 3.92 |
| 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 3,3'-Dithiobisbenzoic acid?
The CAS number of 3,3'-Dithiobisbenzoic acid is 1227-49-2.
What are the molecular formula and molecular weight of 3,3'-Dithiobisbenzoic acid?
3,3'-Dithiobisbenzoic acid has molecular formula C14H10O4S2 and molecular weight 306.357 g/mol.
What are the upstream and downstream products of 3,3'-Dithiobisbenzoic acid?
For 3,3'-Dithiobisbenzoic acid, Upstream Products: 3-Mercaptobenzoic acid, Diethyl 2,5-dihydroxyterephthalate, 3-(Chlorosulfonyl)benzoic acid; Downstream Products: 3-Mercaptobenzoic acid, 3-(Methylthio)benzoic acid, 3-(Methylsulfonyl)benzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3'-Dithiobisbenzoic acid (CAS 1227-49-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116342-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.