Home › Chemicals › Diisopropyl Ether CAS 108-20-3: Diisopropyl Ether (C6H14O) Identity CAS Number 108-20-3 Molecular Formula C6H14O IUPAC Name 2-propan-2-yloxypropane Molecular Weight 102.17 g/mol SMILES CC(C)OC(C)CSynonyms DIPE, isopropyl ether, diisopropyl oxide, 2-isopropoxypropane
2D Structure
Physical Properties Density 0.724 g/mL at 25°C Boiling Point 68.3°C Melting Point -86.0°C Flash Point -28.0°C Vapor Pressure 16.0 kPa at 20°C Refractive Index nD = 1.368 Dielectric Constant ε = 3.9
Safety & GHS Classification Flammable Irritant
H225: Highly flammable liquid and vapor H319: Causes serious eye irritation H336: May cause drowsiness or dizziness Storage: Store in cool, well-ventilated area. Forms explosive peroxides on standing — test for peroxides before distillation. Keep away from heat, sparks, and open flames. Add BHT or other inhibitor. Ground/bond containers.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Poor 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 Excellent Copper Excellent Brass Excellent
Applications Laboratory extraction solvent Chemical intermediate for phenol production Chromatography eluent Paint and coating solvent Petrochemical refining solvent Pharmaceutical intermediate External References: PubChem
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