N-Methylcaprolactam
N-甲基己内酰胺
Also known as: 1-Methylazepan-2-one, Hexahydro-1-methyl-2H-azepin-2-one, 1-Methyl-2-azepanone, N-Methyl-ε-caprolactam, 1-Methylcaprolactam, 1-methyl-azacycloheptan-2-one, MFCD00003263, EINECS 219-874-1
N-Methylcaprolactam (CAS 2556-73-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H13NO and a molecular weight of 127.184 g/mol. It is also known as 1-Methylazepan-2-one, Hexahydro-1-methyl-2H-azepin-2-one and 1-Methyl-2-azepanone. Key properties include a boiling point of 247.8±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 103.3±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2556-73-2
- Jingsj CID
- J-6053-4
- Molecular Formula
- C7H13NO
- Chinese Name
- N-甲基己内酰胺
- Molecular Weight
- 127.184 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 247.8±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 103.3±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of N-Methylcaprolactam?
The CAS number of N-Methylcaprolactam is 2556-73-2.
What are the molecular formula and molecular weight of N-Methylcaprolactam?
N-Methylcaprolactam has molecular formula C7H13NO and molecular weight 127.184 g/mol.
Is N-Methylcaprolactam hazardous?
N-Methylcaprolactam has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Methylcaprolactam (CAS 2556-73-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6053-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.