Home › Chemicals › Polypropylene CAS 9003-07-0: Polypropylene ((C3H6)n) Identity CAS Number 9003-07-0 Molecular Formula (C3H6)n IUPAC Name polypropylene Molecular Weight 42.08 g/mol SMILES CC(C)CSynonyms PP, polypropene, polypropylene
2D Structure
Physical Properties Density 0.905 g/mL at 25°C Boiling Point None°C Melting Point 165.0°C Flash Point 360.0°C Vapor Pressure 0.0 kPa at 20°C Refractive Index nD = 1.49 Dielectric Constant ε = 2.3
Safety & GHS Classification
Storage: Store in cool, dry place. UV degradable — store away from direct sunlight unless UV-stabilized grade. Flammable. Dust from processing can be explosive.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Fair PE Good PP Excellent PEEK Excellent PVDF Good
Rubbers Material Rating Viton Severe Effect NBR Severe Effect EPDM Severe Effect Silicone Poor FKM Severe Effect
Metals Material Rating Stainless 316 Excellent Aluminum Excellent Copper Excellent Brass Excellent
Applications Food containers and packaging Automotive components Textile fibers (polypropylene rope, carpet) Medical devices (syringes, vials) Pipes and fittings Battery cases Living hinges Geotextiles and landscape fabric External References: PubChem
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