2,2'-Dithiodibenzoic acid
Also known as: 2,2'-Dithiosalicylic acid, 2,2'-Disulfanediyldibenzoic acid, 2-Carboxyphenyl disulfide, Bis(2-carboxyphenyl) disulfide, 2,2'-dithiobis(benzoic acid), 2,2'-dithiobisbenzoic acid, DSTA, DTDBA, Thimerosal Related Compound A
2,2'-Dithiodibenzoic acid (CAS 119-80-2) 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 287-290 °C(lit.), a boiling point of 493.1±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 252.0±24.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 119-80-2
- Jingsj CID
- J-17103-9
- 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 | 287-290 °C(lit.) |
|---|---|
| Boiling Point | 493.1±30.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 252.0±24.6 °C |
| Exact Mass | 306.002045 |
| PSA | 125.20000 |
| LogP | 4.16 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.736 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,2'-Dithiodibenzoic acid?
The CAS number of 2,2'-Dithiodibenzoic acid is 119-80-2.
What are the molecular formula and molecular weight of 2,2'-Dithiodibenzoic acid?
2,2'-Dithiodibenzoic acid has molecular formula C14H10O4S2 and molecular weight 306.357 g/mol.
Is 2,2'-Dithiodibenzoic acid hazardous?
2,2'-Dithiodibenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,2'-Dithiodibenzoic acid?
For 2,2'-Dithiodibenzoic acid, Upstream Products: Thiosalicylic acid, Trifluoromethyl iodide, 2-Bromobenzoic acid; Downstream Products: Methyl 2-(methylthio)benzoate, 2-(Methylthio)benzoic acid, Thioxanthen-9-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Dithiodibenzoic acid (CAS 119-80-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17103-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.