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283010

Sigma-Aldrich

N-Acetylcaprolactam

99%

Synonym(s):

1-Acetyl-2-oxohexamethyleneimine, 1-Acetylhexahydro-2H-azepin-2-one

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About This Item

Empirical Formula (Hill Notation):
C8H13NO2
CAS Number:
1888-91-1
Molecular Weight:
155.19
Beilstein:
119598
EC Number:
217-565-6
MDL number:
MFCD00003262
UNSPSC Code:
12352100
PubChem Substance ID:
24856858
NACRES:
NA.22

Quality Level

100

Assay

99%

refractive index

n20/D 1.489 (lit.)

bp

134-135 °C/26 mmHg (lit.)

density

1.094 g/mL at 25 °C (lit.)

SMILES string

CC(=O)N1CCCCCC1=O

InChI

1S/C8H13NO2/c1-7(10)9-6-4-2-3-5-8(9)11/h2-6H2,1H3

InChI key

QISSLHPKTCLLDL-UHFFFAOYSA-N

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Application

N-Acetylcaprolactam has been used:
  • as initiator to investigate kinetics of anionic polymerization of ε-caprolactam
  • in ring-opening polymerization of nylon 6

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

251.6 °F - closed cup

Flash Point(C)

122 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The kinetic equation for the initiated, anionic polymerization of ?-caprolactam.
Greenley RZ, et al.
Macromolecules, 2(6), 561-567 (1969)
Effect of composite preparation techniques on electrical and mechanical properties and morphology of nylon 6 based conductive polymer composites.
Koysuren O, et al.
Journal of Applied Polymer Science, 102(3), 2520-2526 (2006)

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