1,3,4-Thiadiazole-2-carboxylic acid
1,3,4-噻二唑-2-羧酸
Also known as: 1,3,4-Thiadiazole-2-carboxylic acid, 97%, 1,3,4-THIADIAZOLE-2-CARBOXYLIC ACID
1,3,4-Thiadiazole-2-carboxylic acid (CAS 499770-97-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H2N2O2S and a molecular weight of 130.125 g/mol. It is also known as 1,3,4-Thiadiazole-2-carboxylic acid, 97% and 1,3,4-THIADIAZOLE-2-CARBOXYLIC ACID. Key properties include a melting point of 105.2ºC, a boiling point of 331.0±25.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 154.0±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 499770-97-7
- Jingsj CID
- J-1430413-6
- Molecular Formula
- C3H2N2O2S
- Chinese Name
- 1,3,4-噻二唑-2-羧酸
- Molecular Weight
- 130.125 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 105.2ºC |
|---|---|
| Boiling Point | 331.0±25.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 154.0±23.2 °C |
| Exact Mass | 129.983704 |
| PSA | 91.32000 |
| LogP | -0.41 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.631 |
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 1,3,4-Thiadiazole-2-carboxylic acid?
The CAS number of 1,3,4-Thiadiazole-2-carboxylic acid is 499770-97-7.
What are the molecular formula and molecular weight of 1,3,4-Thiadiazole-2-carboxylic acid?
1,3,4-Thiadiazole-2-carboxylic acid has molecular formula C3H2N2O2S and molecular weight 130.125 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,4-Thiadiazole-2-carboxylic acid (CAS 499770-97-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430413-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.