N-Ethylmaleamic acid
N-乙基马来酸
Also known as: n-ethylmaleamic acid, N-Ethylmaleamic acid, tech. 85%, N-Ethylmaleamidic acid, n-ethyl-maleamic acid, Maleic acid monoethylamide, maleic acid ethylamide, (2Z)-4-(ethylamino)-4-oxo-2-butenoic acid, (Z)-4-ethylamino-4-oxo-2-butenoic acid, (2E)-4-(ethylamino)-4-oxobut-2-enoic acid, 3-(ethylcarbamoyl)prop-2-enoic acid, 4-(ethylamino)-4-oxoisocrotonic acid
N-Ethylmaleamic acid (CAS 4166-67-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.14100 g/mol. It is also known as n-ethylmaleamic acid, N-Ethylmaleamic acid, tech. 85% and N-Ethylmaleamidic acid. Key properties include a melting point of 123-125ºC, a boiling point of 375ºC at 760 mmHg, a density of 1.175 g/cm3 and a flash point of 180.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4166-67-0
- Jingsj CID
- J-40711-3
- Molecular Formula
- C6H9NO3
- Chinese Name
- N-乙基马来酸
- Molecular Weight
- 143.14100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 123-125ºC |
|---|---|
| Boiling Point | 375ºC at 760 mmHg |
| Density | 1.175 g/cm3 |
| Flash Point | 180.6ºC |
Frequently Asked Questions
What is the CAS number of N-Ethylmaleamic acid?
The CAS number of N-Ethylmaleamic acid is 4166-67-0.
What are the molecular formula and molecular weight of N-Ethylmaleamic acid?
N-Ethylmaleamic acid has molecular formula C6H9NO3 and molecular weight 143.14100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Ethylmaleamic acid (CAS 4166-67-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40711-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.