Vinyl Chloride Monomer
CAS Number: 75-01-4
Vinyl chloride monomer (VCM) is the fundamental monomer for polyvinyl chloride (PVC), the world's third-largest volume thermoplastic. VCM is polymerized by suspension, emulsion, and bulk processes to produce PVC resins with diverse molecular weights and applications. Strict containment and safety infrastructure is required for handling this classified carcinogen.
Technical Specifications
| appearance | Colorless liquefied gas |
| purity (%) | ≥99.99 |
| iron content (ppm) | ≤0.5 |
| moisture content (ppm) | ≤100 |
| acetylene content (ppm) | ≤2 |
Applications
- Suspension PVC (S-PVC) for pipes, fittings, and profiles
- Emulsion PVC (E-PVC) for plastisol coatings and dip molding
- PVC copolymer production (VCM/VAc, VCM/VDC)
- Rigid PVC sheet and film manufacturing
- Flexible PVC cable insulation and wire coating
Key Features
- Ultra-high purity grade minimizes side reactions and ensures molecular weight control
- Low acetylene content prevents premature termination and gel formation
- Versatile polymerization by suspension, emulsion, or bulk processes
- Broad range of K-value PVC resins achievable through process conditions
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CAS Number
75-01-4
Category
Polymer Synthesis ChemicalsAvailability
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