1H-Tetrazole-5-acetic acid
1H-四唑-5-乙酸
Also known as: 2-(1H-tetrazol-5-yl)acetic acid, 1H-Tetrazol-5-ylacetic acid, Tetrazole-5-acetic acid, 2-(2H-tetrazol-5-yl)acetic acid, Tetrazolacetic acid
1H-Tetrazole-5-acetic acid (CAS 21743-75-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H4N4O2 and a molecular weight of 128.089 g/mol. It is also known as 2-(1H-tetrazol-5-yl)acetic acid, 1H-Tetrazol-5-ylacetic acid and Tetrazole-5-acetic acid. Key properties include a melting point of 180-183 °C(lit.), a boiling point of 451.0±47.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 226.5±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21743-75-9
- Jingsj CID
- J-14113-0
- Molecular Formula
- C3H4N4O2
- Chinese Name
- 1H-四唑-5-乙酸
- Molecular Weight
- 128.089 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180-183 °C(lit.) |
|---|---|
| Boiling Point | 451.0±47.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 226.5±29.3 °C |
Frequently Asked Questions
What is the CAS number of 1H-Tetrazole-5-acetic acid?
The CAS number of 1H-Tetrazole-5-acetic acid is 21743-75-9.
What are the molecular formula and molecular weight of 1H-Tetrazole-5-acetic acid?
1H-Tetrazole-5-acetic acid has molecular formula C3H4N4O2 and molecular weight 128.089 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Tetrazole-5-acetic acid (CAS 21743-75-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14113-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.