Caprolactam (105-60-2)
Basic Information
1. Chemical Name: Caprolactam
2. Chinese Aliases: ε-Caprolactam; Hexanoyllactam; Cyclohexanone oxime rearrangement product
3. English Name: Caprolactam
4. Molecular Formula: C₆H₁₁NO
5. Molecular Weight: 113.16
6. CAS Number: 105-60-2
7. EINECS Number: 203-313-2
8. Appearance: White or off-white crystals, slightly amide odor, hygroscopic, easily soluble in water, alcohols, and most organic solvents.
Technical Specifications
Item
Index
Premium
Grade 1
Qualified
50% Aqueous Solution Color / Hazen Units (Platinum-Cobalt Scale)
≤2
≤4
≤6
Crystallization Point / °C
≥68.9
≥68.8
≥68.5
Permanganate Absorption Value
≤4
≤6
≤10
Volatile Alkali Content / (mmol/kg)
≤0.40
≤0.60
≤1.00
Absorbance at 290 nm
≤0.040
≤0.060
≤0.100
Acidity / (mmol/kg) or Alkalinity / (mmol/kg)
≤0.05
≤0.08
≤0.10
≤0.15
≤0.20
≤0.20
Moisture, w/%
≤0.10
—
—
Iron (Fe) Content, w/(mg/kg)
≤0.2
≤0.5
≤1.0
Cyclohexanone Oxime Content, w/(mg/kg)
≤15
≤20
—
(The above parameters are for reference; please refer to the factory test certificate for exact values.)
Packaging Specifications
The standard packaging is a 25 kg woven bag lined with a plastic bag or ton bag (500 kg–1000 kg). Customized packaging can be provided according to customer requirements.