8.02800

ε-Caprolactam

for synthesis

• 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

Properties

• 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

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

Safety Information

• 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