N-Acetylcaprolactam Chemical Properties

Boiling point:

134-135 °C/26 mmHg (lit.)

Density 

1.094 g/mL at 25 °C (lit.)

vapor pressure 

2.71Pa at 20℃

refractive index 

n20/D 1.489(lit.)

Flash point:

>230 °F

storage temp. 

Sealed in dry,Room Temperature

form 

clear liquid

pka

-1.42±0.20(Predicted)

color 

Colorless to Light yellow

Water Solubility 

81.7g/L at 20℃

BRN 

119598

Stability:

Stable. Incompatible with strong oxidizing agents.

LogP

0.95 at 23℃

CAS DataBase Reference

1888-91-1(CAS DataBase Reference)

NIST Chemistry Reference

N-Acetylcaprolactam(1888-91-1)

EPA Substance Registry System

2H-Azepin-2-one, 1-acetylhexahydro- (1888-91-1)

Safety Information

Hazard Codes 

Xn

Risk Statements 

22-36

Safety Statements 

26

WGK Germany 

1

RTECS 

CM3599500

TSCA 

Yes

HS Code 

2933998090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

N-Acetylcaprolactam Usage And Synthesis

Chemical Properties

colourless liquid

Uses

N-Acetylcaprolactam has been used:

• as initiator to investigate kinetics of anionic polymerization of ε-caprolactam
• in ring-opening polymerization of nylon 6

Definition

ChEBI: N-Acetylcaprolactam is a member of caprolactams.

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