Caprolactam
- Molecular Formula: C6H11NO
- CAS No.: 105-60-2
- EINECS No.: 203-313-2
- Execution standard: GB/T 13254—2017
Synonyms: ε-Caprolactam, Epsilon-caprolactam
Caprolactam technical data:
| Items | Excellent | First-class | Qualified |
| 50% aqueous solution chromaticity/Hazen unit (platinum diamond color code) | ≤2 | ≤4 | ≤6 |
| Crystallization point/℃ | ≥68.9 | ≥68.8 | ≥68.5 |
| Potassium permanganate absorption value | ≤4 | ≤6 | ≤10 |
| Volatile alkali content/(mmol/kg) | ≤0.4 | ≤0.6 | ≤1.00 |
| Absorption at 290 nm wavelength | ≤0.04 | ≤0.06 | ≤0.100 |
| Acidity (mmol/kg) | ≤0.05 | ≤0.10 | ≤0.20 |
| Alkalinity/(mmol/kg) | ≤0.08 | ≤0.15 | ≤0.20 |
| Moisture, w/% | ≤0.1 | — | — |
| Iron (Fe) content, w/(mg/kg) | ≤0.2 | ≤0.5 | ≤1.0 |
| Cyclohexanone oxime content, w/(mg/kg) | ≤15 | ≤20 | — |
Application:
Used to produce caprolactam resin, nylon 6 fiber, and synthetic leather, as well as pharmaceutical raw materials.
Storage:
Store in a shaded and ventilated warehouse. Keep away from sources of fire, heat, and direct sunlight. It should be stored separately from oxidants, alkalis, and edible chemicals, and avoid mixing storage.
Package:
Double layered bag packaging. The inner bag is made of polyethylene film and is heat sealed; The outer bag is a three in one polyethylene bag, mechanically sewn and sealed.