Basic Info
  • Grade: Food Grade

    Factory Location: China

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East

  • Monthly Production Capacity: NA

    Packaging Information: NA

  • Delivery Lead Time: 10-30days

    Sample Provided: yes

    Payment Terms: TT; L/C;

    Caprolactam CAS Number 105-60-2 Molecular Formula C6H11NO Molecular Weight 113.16 EC Number 203-313-2 Package: Function: precursor Application: Caprolactam is the precursor to Nylon 6, a widely used synthetic polymer Tags: New Products.

    Caprolactam (CPL) is an organic compound with the formula (CH2)5C(O)NH. This colourless solid is alactam(a cyclic amide) of caproic acid. Approximately 4.5 billion kilograms are produced annually. Caprolactam is the precursor to Nylon 6, a widely used synthetic polymer.

    Structure:

    Chemical formula: C6H11NO

    Molar mass: 113.16 g•mol−1

    Appearance: White solid

    Density: 1.01 g/cm3

    Melting point: 69.2 °C (156.6 °F; 342.3 K)

    Boiling point: 270.8 °C (519.4 °F; 544.0 K) at 1013.25 hPa

    Solubility in water: 866.89 g/L (22 °C)

    Vapor pressure: 0.00000008 mmHg (20° C)[1]

    Caprolactam was first described in the late 1800s when it was prepared by the cyclization of ε-aminocaproic acid, the product of the hydrolysis of caprolactam. Given the commercial significance of Nylon-6, many methods have been developed for the production of caprolactam.

     

    Almost all caprolactam produced goes into the manufacture of Nylon-6. The conversion entails a ring-opening polymerization:

     

    n (CH2)5C(O)NH → [(CH2)5C(O)NH]n

     

    Nylon-6 is widely used in fibers and plastics.

    In situ anionic polymerization is employed for cast nylon production where conversion from ε-caprolactam to Nylon-6 takes place inside a mold. In conjunction with endless fiber processing the term thermoplastic resin transfer molding (T-RTM) is often used.

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