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Key Documents

8.02800

Sigma-Aldrich

ε-Caprolactam

for synthesis

Synonym(s):

ε-Caprolactam, 6-Aminocaproic acid lactam, 2-Oxohexamethyleneimine

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About This Item

Empirical Formula (Hill Notation):
C6H11NO
CAS Number:
Molecular Weight:
113.16
MDL number:
UNSPSC Code:
12352115
EC Index Number:
203-313-2
NACRES:
NA.22

vapor pressure

0.0014 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

scales

autoignition temp.

395 °C (DIN 51794)

potency

1660 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.4-8 % (v/v)

pH

7.0-8.5 (20 °C, 333 g/L in H2O)

bp

270.8 °C/1013 hPa

mp

68-70 °C

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 68 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

pictograms

Exclamation mark

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_germany

WGK 3

flash_point_f

305.6 °F - closed cup

flash_point_c

152 °C - closed cup


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