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8.02800 Sigma-Aldrich

ε-Caprolactam

for synthesis

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

  • CAS Number 105-60-2

  • Empirical Formula (Hill Notation) C6H11NO

  • Molecular Weight 113.16

  •  MDL number MFCD00006936

  •  EC Index Number 203-313-2

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Properties

Quality Level   200
vapor pressure   0.0014 hPa ( 20 °C)
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
InChI   1S/C6H11NO/c8-6-4-2-1-3-5-7-6/h1-5H2,(H,7,8)
InChI key   JBKVHLHDHHXQEQ-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

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

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