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8.02800

Sigma-Aldrich

ε-Caprolactam

for synthesis

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Synonym(s):
ε-Caprolactam, 6-Aminocaproic acid lactam, 2-Oxohexamethyleneimine
Empirical Formula (Hill Notation):
C6H11NO
CAS Number:
105-60-2
Molecular Weight:
113.16
MDL number:
MFCD00006936
UNSPSC Code:
12352115
EC Index Number:
203-313-2
NACRES:
NA.22

vapor pressure

0.0014 hPa ( 20 °C)

Quality Level

200

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

transition temp

flash point 152 °C (DIN 51758)

solubility

4560 g/L

density

1.01 g/cm3 at 80 °C

bulk density

500‑550 kg/m3

storage temp.

2-30°C

InChI

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

InChI key

JBKVHLHDHHXQEQ-UHFFFAOYSA-N

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
GHS07

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

Certificates of Analysis (COA)

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