4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol
4-氨基-5-甲基-4H-1,2,4-三唑-3-硫醇
Also known as: 3H-1,2,4-Triazole-3-thione,4-amino-2,4-dihydro-5-methyl-, 4-amino-3-methyl-1H-1,2,4-triazole-5-thione, 4-Amino-3-mercapto-5-methyl-1,2,4-triazole, 3-Methyl-4-amino-5-mercapto-1,2,4-triazole, NSC527797
4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 20939-15-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C3H6N4S and a molecular weight of 130.17200 g/mol. It is also known as 3H-1,2,4-Triazole-3-thione,4-amino-2,4-dihydro-5-methyl-, 4-amino-3-methyl-1H-1,2,4-triazole-5-thione and 4-Amino-3-mercapto-5-methyl-1,2,4-triazole. Key properties include a melting point of 202-205°C, a boiling point of 196.2ºC at 760 mmHg, a density of 1.69 g/cm3 and a flash point of 72.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20939-15-5
- Jingsj CID
- J-1106240-4
- Molecular Formula
- C3H6N4S
- Chinese Name
- 4-氨基-5-甲基-4H-1,2,4-三唑-3-硫醇
- Molecular Weight
- 130.17200 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 202-205°C |
|---|---|
| Boiling Point | 196.2ºC at 760 mmHg |
| Density | 1.69 g/cm3 |
| Flash Point | 72.4ºC |
Frequently Asked Questions
What is the CAS number of 4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol?
The CAS number of 4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol is 20939-15-5.
What are the molecular formula and molecular weight of 4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol?
4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol has molecular formula C3H6N4S and molecular weight 130.17200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 20939-15-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106240-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.