Home › Chemicals › Piperidine CAS 110-89-4: Piperidine (C5H11N) Identity CAS Number 110-89-4 Molecular Formula C5H11N IUPAC Name piperidine Molecular Weight 85.15 g/mol SMILES C1CCNCC1Synonyms piperidine, hexahydropyridine, azacyclohexane, pentamethyleneamine
2D Structure
Physical Properties Density 0.862 g/mL at 25°C Boiling Point 106.0°C Melting Point -11.0°C Flash Point 16.0°C Vapor Pressure 3.0 kPa at 20°C Refractive Index nD = 1.453 Dielectric Constant ε = 5.8
Safety & GHS Classification Flammable GHS05 GHS06 Health Hazard
H225: Highly flammable liquid and vapor H301: Toxic if swallowed H311: Toxic in contact with skin H314: Causes severe skin burns and eye damage H331: Toxic if inhaled H341: Suspected of causing genetic defects Storage: Store in cool, well-ventilated area. Keep away from heat, sparks, and open flames. Strongly alkaline — corrosive to aluminum and zinc. Store away from acids and oxidizers. Use in fume hood with full PPE.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Fair PE Good PP Good PEEK Excellent PVDF Good
Rubbers Material Rating Viton Good NBR Good EPDM Excellent Silicone Good FKM Good
Metals Material Rating Stainless 316 Excellent Aluminum Fair Copper Fair Brass Fair
Applications Pharmaceutical intermediate (anesthetics, antidepressants) Organic synthesis building block Rubber vulcanization accelerator Chemical intermediate for piperidine derivatives Laboratory reagent for organic synthesis Epoxy curing agent Agricultural chemical intermediate External References: PubChem
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