Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate
5-甲基-1H-1,2,4-三唑-3-羧酸乙酯
Also known as: Ethyl 5-methyl-4H-1,2,4-triazole-3-carboxylate, 3-methyl-1H-1,2,4-triazole-5-carboxylic acid ethyl ester, 5-Methyl-2H-[1,2,4]triazole-3-carboxylic acid ethyl ester, ETHYL 5-METHYL-2H-1,2,4-TRIAZOLE-3-CARBOXYLATE, 1H-1,2,4-Triazole-5-carboxylic acid, 3-methyl-, ethyl ester, 5-Methyl-1H-1,2,4-triazole-3-carboxylic acid ethyl ester
Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate (CAS 40253-47-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9N3O2 and a molecular weight of 155.155 g/mol. It is also known as Ethyl 5-methyl-4H-1,2,4-triazole-3-carboxylate, 3-methyl-1H-1,2,4-triazole-5-carboxylic acid ethyl ester and 5-Methyl-2H-[1,2,4]triazole-3-carboxylic acid ethyl ester. Key properties include a boiling point of 312.5±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 142.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40253-47-2
- Jingsj CID
- J-1048727-9
- Molecular Formula
- C6H9N3O2
- Chinese Name
- 5-甲基-1H-1,2,4-三唑-3-羧酸乙酯
- Molecular Weight
- 155.155 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 312.5±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 142.8±23.2 °C |
Frequently Asked Questions
What is the CAS number of Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate?
The CAS number of Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate is 40253-47-2.
What are the molecular formula and molecular weight of Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate?
Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate has molecular formula C6H9N3O2 and molecular weight 155.155 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 5-methyl-1H-1,2,4-triazole-3-carboxylate (CAS 40253-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1048727-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.