![Molecular structure of Benzo[c][1,2,5]thiadiazole-4-carboxylic acid (CAS 3529-57-5)](/images/chem_structures_svg/214/3529-57-5.svg)
Benzo[c][1,2,5]thiadiazole-4-carboxylic acid
Also known as: 2,1,3-Benzothiadiazole-4-carboxylic acid, 4-Carboxy-2,1,3-benzothiadiazole, 4-Carboxybenzo-2,1,3-thiadiazole, Benzo[1,2,5]thiadiazole-4-carboxylic acid, 1,2,3-Benzothiadiazole-4-carboxylic acid, RARECHEM AL BE 1314, MFCD05664666
Benzo[c][1,2,5]thiadiazole-4-carboxylic acid (CAS 3529-57-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4N2O2S and a molecular weight of 180.18400 g/mol. Key properties include a melting point of 145.5ºC, a boiling point of 368.7ºC at 760mmHg, a density of 1.608g/cm3 and a flash point of 176.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3529-57-5
- Jingsj CID
- J-29941-2
- Molecular Formula
- C7H4N2O2S
- Molecular Weight
- 180.18400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 145.5ºC |
|---|---|
| Boiling Point | 368.7ºC at 760mmHg |
| Density | 1.608g/cm3 |
| Flash Point | 176.8ºC |
| Exact Mass | 179.99900 |
| PSA | 91.32000 |
| LogP | 1.38950 |
| Refractive Index | 1.749 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Benzo[c][1,2,5]thiadiazole-4-carboxylic acid?
The CAS number of Benzo[c][1,2,5]thiadiazole-4-carboxylic acid is 3529-57-5.
What are the molecular formula and molecular weight of Benzo[c][1,2,5]thiadiazole-4-carboxylic acid?
Benzo[c][1,2,5]thiadiazole-4-carboxylic acid has molecular formula C7H4N2O2S and molecular weight 180.18400 g/mol.
What are the upstream and downstream products of Benzo[c][1,2,5]thiadiazole-4-carboxylic acid?
For Benzo[c][1,2,5]thiadiazole-4-carboxylic acid, Upstream Products: 2,1,3-Benzothiadiazole-4-carbaldehyde, 2,1,3-Benzothiadiazole; Downstream Products: 2,1,3-Benzothiadiazole-4-carbonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzo[c][1,2,5]thiadiazole-4-carboxylic acid (CAS 3529-57-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29941-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.