Synonyms: Isopentane Formula: CH3CH2CH(CH3)2 Formula Weight: 72.15 CAS No.: 78-78-4 Purity: ≥99.5% (GC) Density: 0.62 g/mL at 25 °C(lit.) Storage Temperature: 2-8°C Supplemental Hazard Statements: Repeated exposure may cause skin dryness or cracking.