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C2204

Sigma-Aldrich

ε-Caprolactam

99%

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Synonym(s):
epsilon-Caprolactam, 2-Oxohexamethyleneimine, Aza-2-cycloheptanone
Empirical Formula (Hill Notation):
C6H11NO
CAS Number:
Molecular Weight:
113.16
Beilstein:
106934
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

<0.01 mmHg ( 20 °C)

Quality Level

Assay

99%

form

crystals

autoignition temp.

707 °F

expl. lim.

8 %

bp

136-138 °C/10 mmHg (lit.)

mp

68-71 °C (lit.)

SMILES string

O=C1CCCCCN1

InChI

1S/C6H11NO/c8-6-4-2-1-3-5-7-6/h1-5H2,(H,7,8)

InChI key

JBKVHLHDHHXQEQ-UHFFFAOYSA-N

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1 of 4

This Item
E2000477403283010
&#949;-Caprolactam 99%

Sigma-Aldrich

C2204

ε-Caprolactam

&#949;-Caprolactam analytical standard

Supelco

77403

ε-Caprolactam

N-Acetylcaprolactam 99%

Sigma-Aldrich

283010

N-Acetylcaprolactam

form

crystals

form

liquid

form

-

form

-

bp

136-138 °C/10 mmHg (lit.)

bp

106 °C/11 mmHg (lit.)

bp

136-138 °C/10 mmHg (lit.)

bp

134-135 °C/26 mmHg (lit.)

mp

68-71 °C (lit.)

mp

-

mp

68-71 °C (lit.)

mp

-

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

-

vapor pressure

<0.01 mmHg ( 20 °C)

vapor pressure

-

autoignition temp.

707 °F

autoignition temp.

-

autoignition temp.

707 °F

autoignition temp.

-

Application

ε-Caprolactam can be used as a precursor for the production of nylon-6 by ring-opening polymerization.It is also microwave irradiated with ε caprolactone in the presence of an anionic catalyst to yield poly(ε caprolactam-co-ε-caprolactone).

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

305.6 °F - closed cup

Flash Point(C)

152 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Customers Also Viewed

Slide 1 of 4

1 of 4

?-Caprolactam: New by-product free synthesis routes
Dahlhoff, G, et al.
Catalysis Reviews: Science and Engineering, 43(4), 381-441 (2001)
Microwave syntheses of poly (?-caprolactam-co-?-caprolactone)
Fang X, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 38(8), 1379-1390 (2000)
Design of a ?green? one-step catalytic production of ?-caprolactam (precursor of nylon-6)
Thomas JM and Raja R
Proceedings of the National Academy of Sciences of the USA, 102(39), 13732-13736 (2005)
Ibrahim I Ozturk et al.
Journal of inorganic biochemistry, 109, 57-65 (2012-03-02)
Three new antimony(III) halide complexes (SbX(3), X=Cl, Br and I) with the heterocyclic thione ω-thiocaprolactam (1-azacycloheptane-2-thione, (Hthcl)) of formulae {[SbCl(2)(μ(2)-Cl)(Hthcl)(2)](n)} (1), {[(SbBr(2)(μ(2)-Br)(Hthcl)(2))(2)]} (2) and {[(SbI(2)(μ(2)-I)(Hthcl)(2))(2)]} (3) were synthesized from the reaction of antimony(III) halides with ω-thiocaprolactam in 1:2 stoichiometry. The
Juliana S Félix et al.
Analytical and bioanalytical chemistry, 403(10), 2869-2882 (2012-04-25)
Adhesives used in food packaging to glue different materials can provide several substances as potential migrants, and the identification of potential migrants and migration tests are required to assess safety in the use of adhesives. Solid-phase microextraction in headspace mode

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