Product name: Industrial caprolactam
Molecular formula: C6H11NO
Molecular weight: 113.16
Shape & Property: white flakes or colorless,transparent liquid.
Application: mainly used as raw material for nylon, plastics, synthetic leather and pharmacy.
Packaging: packed in bags, (25±0.25) kg per bag (net weight).
Product standard: GB/T 13254-2008
Quality Specifications:
Item |
Index |
Premium Grade |
First Grade |
Qualified Grade |
50% water solution Chroma/Hazen (platinum-cobalt) ≤ |
3 |
5 |
8 |
Crystallization point ( ℃) ≥ |
68.9 |
68.8 |
68.5 |
KMNO4absorption ≤ |
5 |
8 |
18 |
Volatile alkali (mmol/kg.) ≤ |
0.4 |
0.8 |
1.5 |
Absorbance at 290nm wavelength ≤ |
0.04 |
0.10 |
0.20 |
Acidity (mmol/kg,.) ≤
or alkalinity (mmol/kg,.) ≤ |
0.05
0.10 |
0.10
0.20 |
—
— |
Fe (mg/kg.) ≤ |
0.2 |
0.5 |
1.0 |
Cyclohexanone-oxime (mg/kg) ≤ |
20 |
20 |
— |
|
