N-Methylcaprolactam
Synonym(s):Hexahydro-1-methyl-2H-azepin-2-one
- CAS NO.:2556-73-2
- Empirical Formula: C7H13NO
- Molecular Weight: 127.18
- MDL number: MFCD00003263
- EINECS: 219-874-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:47
What is N-Methylcaprolactam?
Chemical properties
clear colorless to light yellow liquid; Boiling Point: 120 °C/25 mmHg; Flash point: 103 °C; Specific Gravity (20/20): 1.02; Refractive Index: 1.48.
The Uses of N-Methylcaprolactam
N-Methylcaprolactam was used to study the inhibition mechanism of poly-[N-vinylcaprolactam] (PVCAP) and its related compounds against hydrate formation.
Definition
ChEBI: N-methylcaprolactam is a member of caprolactams.
Properties of N-Methylcaprolactam
| Boiling point: | 106-108 °C/6 mmHg (lit.) |
| Density | 0.991 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 218 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Sparingly) |
| form | Oil |
| pka | -0.41±0.20(Predicted) |
| Specific Gravity | 0.991 |
| color | Colourless |
| Water Solubility | Fully miscible with water. |
| Sensitive | Hygroscopic |
| Merck | 14,5989 |
| CAS DataBase Reference | 2556-73-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 2H-Azepin-2-one, hexahydro-1-methyl-(2556-73-2) |
| EPA Substance Registry System | 2H-Azepin-2-one, hexahydro-1-methyl- (2556-73-2) |
Safety information for N-Methylcaprolactam
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for N-Methylcaprolactam
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