Caprolactam C5H10CONH
Caprolactam is a monomer used for the production of polyamides. Caprolactam is produced in crystalline (solid flakes) and liquid (molten) form.
Specification
| Value | |
|---|---|
| Permanganate index, max | 4 |
| Colour of 50 % caprolactam water solution, deg. Hazen, max | 3,0 |
| Volatile bases content, mmol/kg, max | 0,4 |
| Solidification point, oC , min | 68,8 |
| Iron content, by weight, %, max | 0,00002 |
| Cyclohexanonoxime content, by weight, %, max | 0,002 |
| Optical density of 50% caprolactam solution, max | 0,04 |
| Acidity, mmol/kg , max | 0,05 |
| Alkalinity, mmol/kg , max | 0,1 |
| pH 20%-ного водного раствора | 6,7-8,5 |
| pH of 20% water solution | 0,07 |
Safety
Packaging
Crystalline caprolactam: polyethylene bags of 25 kg.
Storage
The flaked caprolactam is stored in closed rooms.
Liquid caprolactam is kept in tanks under a N 2 atmosphere.
Transportation
Crystalline caprolactam: covered rail cars, high capacity containers or covered road trucks.
Liquid caprolactam: in thermally insulated heatable rail tank cars.
Shelf life
Crystalline caprolactam: 6 months from the date of production.
Liquid caprolactam: 15 days from the date of production.