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Merck

C2204

ε-Caprolactam

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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24892472
EC Number:
203-313-2
Beilstein/REAXYS Number:
106934
MDL number:
MFCD00006936

Key Documents

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Product Name

ε-Caprolactam, 99%

InChI key

JBKVHLHDHHXQEQ-UHFFFAOYSA-N

InChI

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

SMILES string

O=C1CCCCCN1

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.)

Quality Level

200

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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

Exclamation mark
GHS07

signalword

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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

305.6 °F - closed cup

flash_point_c

152 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN1174
BCCL2474
BCCB9879
BCBX0961
MKCG1442

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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)
?-Caprolactam: New by-product free synthesis routes
Dahlhoff, G, et al.
Catalysis Reviews: Science and Engineering, 43(4), 381-441 (2001)
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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