1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid
1-甲基-1,2,3-苯并三唑-5-羧酸
Also known as: 1-Methyl-1H-benzotriazole-5-carboxylic acid, 1-Methyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid, 1-methylbenzotriazole-5-carboxylic acid, 1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid, 1H-Benzotriazole-5-carboxylic acid, 1-methyl-
1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid (CAS 305381-67-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7N3O2 and a molecular weight of 177.16000 g/mol. It is also known as 1-Methyl-1H-benzotriazole-5-carboxylic acid, 1-Methyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid and 1-methylbenzotriazole-5-carboxylic acid. Key properties include a melting point of 250ºC, a boiling point of 432.4ºC at 760mmHg, a density of 1.49g/cm3 and a flash point of 215.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 305381-67-3
- Jingsj CID
- J-1516991-2
- Molecular Formula
- C8H7N3O2
- Chinese Name
- 1-甲基-1,2,3-苯并三唑-5-羧酸
- Molecular Weight
- 177.16000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 250ºC |
|---|---|
| Boiling Point | 432.4ºC at 760mmHg |
| Density | 1.49g/cm3 |
| Flash Point | 215.3ºC |
Frequently Asked Questions
What is the CAS number of 1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid?
The CAS number of 1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid is 305381-67-3.
What are the molecular formula and molecular weight of 1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid?
1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid has molecular formula C8H7N3O2 and molecular weight 177.16000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-1H-1,2,3-benzotriazole-5-carboxylic acid (CAS 305381-67-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516991-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.