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C2204

ε-Caprolactam

Name: ε-Caprolactam
Brand: ALDRICH

99%

Synonym(s):

epsilon-Caprolactam, 2-Oxohexamethyleneimine, Aza-2-cycloheptanone

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About This Item

Empirical Formula (Hill Notation):

C₆H₁₁NO

CAS Number:

105-60-2

Molecular Weight:

113.16

Beilstein:

106934

EC Number:

203-313-2

MDL number:

MFCD00006936

UNSPSC Code:

12352100

PubChem Substance ID:

24892472

NACRES:

NA.22

vapor pressure

<0.01 mmHg ( 20 °C)

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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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

GHS07

Signal Word

Warning

Hazard Statements

H302 + H332,H315,H319,H335

Precautionary Statements

P261 - P264 - P301 + P312 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338

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

Certificates of Analysis (COA)

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?-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)

Synthesis, characterization and biological studies of new antimony(III) halide complexes with ω-thiocaprolactam.

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

Caprolactam-silica network, a strong potentiator of the antimicrobial activity of kanamycin against gram-positive and gram-negative bacterial strains.

Georgeta Voicu et al.

International journal of pharmaceutics, 446(1-2), 63-69 (2013-02-14)

Here, we report the fabrication of a novel ε-caprolactam-silica (ε-SiO2) network and assessed its biocompatibility and ability to improve the antimicrobial activity of kanamycin. The results of the quantitative antimicrobial assay demonstrate that the obtained ε-SiO2 network has efficiently improved

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