2-Mercaptonicotinic acid
2-巯基烟酸
Also known as: 2-Mercapto-3-pyridinecarboxylic acid, 2-Mercaptopyridine-3-carboxylic acid, 2-Sulfanylnicotinic acid, 2-Thionicotinic acid, 2-Thioxo-1,2-dihydropyridine-3-carboxylic acid, 1,2-dihydro-2-thioxo-3-pyridinecarboxylic acid, 2-sulfanylidene-1H-pyridine-3-carboxylic acid, MFCD00010102
2-Mercaptonicotinic acid (CAS 38521-46-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO2S and a molecular weight of 155.174 g/mol. It is also known as 2-Mercapto-3-pyridinecarboxylic acid, 2-Mercaptopyridine-3-carboxylic acid and 2-Sulfanylnicotinic acid. Key properties include a melting point of 263-265 °C(lit.), a boiling point of 337.6±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 158.0±23.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 38521-46-9
- Jingsj CID
- J-49511-0
- Molecular Formula
- C6H5NO2S
- Chinese Name
- 2-巯基烟酸
- Molecular Weight
- 155.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 263-265 °C(lit.) |
|---|---|
| Boiling Point | 337.6±27.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 158.0±23.7 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Mercaptonicotinic acid?
The CAS number of 2-Mercaptonicotinic acid is 38521-46-9.
What are the molecular formula and molecular weight of 2-Mercaptonicotinic acid?
2-Mercaptonicotinic acid has molecular formula C6H5NO2S and molecular weight 155.174 g/mol.
Is 2-Mercaptonicotinic acid hazardous?
2-Mercaptonicotinic acid has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Mercaptonicotinic acid (CAS 38521-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49511-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.