2-cyano-3-methylbut-2-enoic acid
2-氰基-3-甲基丁-2-烯酸
Also known as: 2-Butenoic acid, 2-cyano-3-methyl-, 2-Cyan-3-methyl-but-2-ensaeure, 2-Cyan-3-methyl-crotonsaeure, 2-Cyano-3-methyl-2-butenoic acid, 2-cyano-3-methyl-crotonic acid, Isopropyliden-cyanessigsaeure, isopropylidene cyanoacetic acid
2-cyano-3-methylbut-2-enoic acid (CAS 759-21-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2 and a molecular weight of 125.12500 g/mol. It is also known as 2-Butenoic acid, 2-cyano-3-methyl-, 2-Cyan-3-methyl-but-2-ensaeure and 2-Cyan-3-methyl-crotonsaeure. Key properties include a melting point of 137 ºC, a boiling point of 286.6ºC at 760mmHg, a density of 1.15g/cm3 and a flash point of 127.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 759-21-7
- Jingsj CID
- J-1446199-4
- Molecular Formula
- C6H7NO2
- Chinese Name
- 2-氰基-3-甲基丁-2-烯酸
- Molecular Weight
- 125.12500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137 ºC |
|---|---|
| Boiling Point | 286.6ºC at 760mmHg |
| Density | 1.15g/cm3 |
| Flash Point | 127.1ºC |
Frequently Asked Questions
What is the CAS number of 2-cyano-3-methylbut-2-enoic acid?
The CAS number of 2-cyano-3-methylbut-2-enoic acid is 759-21-7.
What are the molecular formula and molecular weight of 2-cyano-3-methylbut-2-enoic acid?
2-cyano-3-methylbut-2-enoic acid has molecular formula C6H7NO2 and molecular weight 125.12500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-cyano-3-methylbut-2-enoic acid (CAS 759-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446199-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.