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Sigma-Aldrich

N-Methylcaprolactam

99%

Synonym(s):

Hexahydro-1-methyl-2H-azepin-2-one

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About This Item

Empirical Formula (Hill Notation):
C7H13NO
CAS Number:
2556-73-2
Molecular Weight:
127.18
EC Number:
219-874-1
MDL number:
MFCD00003263
UNSPSC Code:
12352100
PubChem Substance ID:
24853455
NACRES:
NA.22

Assay

99%

form

liquid

refractive index

n20/D 1.484 (lit.)

bp

106-108 °C/6 mmHg (lit.)

density

0.991 g/mL at 25 °C (lit.)

SMILES string

CN1CCCCCC1=O

InChI

1S/C7H13NO/c1-8-6-4-2-3-5-7(8)9/h2-6H2,1H3

InChI key

ZWXPDGCFMMFNRW-UHFFFAOYSA-N

Related Categories

Application

N-Methylcaprolactam was used to study the inhibition mechanism of poly-[N-vinylcaprolactam] (PVCAP) and its related compounds against hydrate formation.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

217.4 °F - closed cup

Flash Point(C)

103 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Michika Ohtake et al.
The journal of physical chemistry. B, 109(35), 16879-16885 (2006-07-21)
Poly-[N-vinylcaprolactam] (PVCAP) and its related compounds are specific polymeric compounds for inhibiting hydrate formation. To clarify the inhibition mechanism of these compounds on hydrate nucleation at the molecular level, we measured the mass spectra of clusters generated from the fragmentation
Ilnaz T Rakipov et al.
Molecules (Basel, Switzerland), 26(5) (2021-04-04)
In the present work, the thermochemistry of solution, solvation, and hydrogen bonding of cyclic amides in proton acceptor (B) and proton donor (RXH) solvents were studied. The infinite dilution solution enthalpies of δ-valerolactam, N-methylvalerolactam, ε-caprolactam, and N-methylcaprolactam were measured at

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