Molekula
2,2-Dithiodibenzoic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,2-Dithiodibenzoic acid is an organic disulfide compound used primarily in organic synthesis, polymer chemistry, and as a reagent for sulfur transfer reactions. It appears as a white to off-white crystalline solid with a role in cross-linking and modifying polymer properties. CAS 119-80-2, molecular formula S2(C6H4COOH)2, molecular weight 306.36 g/mol. Stored at ambient conditions. Signal word: Warning. Molekula supplies 2,2-Dithiodibenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Grey white to light yellow powder |
| Loss on Drying | ≤ 1.0% |
| Assay | ≥ 95.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 287 - 290 °C |
Source: PubChem CID 8409 (ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 20926549 |
| CAS Number | 119-80-2 |
| IUPAC Name | 2-[(2-carboxyphenyl)disulfanyl]benzoic acid |
| EC Number | 204-352-8 |
| Molecular Formula | S2(C6H4COOH)2 |
| Molecular Weight | 306.36 |
| Exact Mass | 306.0021 |
| SMILES | C1=CC=C(C(=C1)C(=O)O)SSC2=CC=CC=C2C(=O)O |
| InChIKey | LBEMXJWGHIEXRA-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H10O4S2/c15-13(16)9-5-1-3-7-11(9)19-20-12-8-4-2-6-10(12)14(17)18/h1-8H,(H,15,16)(H,17,18) |
| PubChem CID | 8409 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309029 |
| Tariff Code | 2930909599 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-[(2-Carboxyphenyl)disulfanyl]benzoic acid
- 2,2'-disulfanediyldibenzoic acid
- 2,2'-dithiobisbenzoic acid
- 2,2'-Dithiosalicylic acid
- Benzoic acid, 2,2'-dithiobis-
- Benzoic acid, dithiobis-
- Bis(2-carboxyphenyl) disulfide
- Bis(o-carboxylphenyl) disulfide
- Diphenyldisulfide-2,2'-dicarboxylic acid
- dithiodibenzoic acid
Frequently asked questions
What is 2,2-Dithiodibenzoic acid commonly used for?
It is primarily used as a reagent in organic synthesis, particularly for the preparation of sulfides and disulfides, and in the synthesis of pharmaceutical intermediates.
What is the chemical formula and molecular weight of 2,2-Dithiodibenzoic acid?
The chemical formula is **S₂(C₆H₄COOH)₂** and the molecular weight is **306.36 g/mol**.
How should 2,2-Dithiodibenzoic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grade or purity is available for this product?
Molekula supplies **reagent-grade** 2,2-Dithiodibenzoic acid with a typical purity of ≥98%.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options for 2,2-Dithiodibenzoic acid upon request.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
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