Suggested Applications: Capillary GC, GC-FID, GC-MS
Synonyms: n-Pentane, Pentanes
Structural Formula: CH3(CH2)3CH3
CAS number: 109-66-0
Hazard Class: 3
Package Group: II
UN number: UN1265
Specifications
Electron Capture GC (as lindane): 2 ppt max.
Flame Ionization GC (as nonane): 1 ppb max.
GC Analysis (n-Pentane): 98.0% min.
GC Analysis (total C5 isomers): 99.9% min.
Refractive Index (20°C): 1.3573 - 1.3579
Residue: 1 mg/L max.
Water by Karl Fischer Titration: 0.01% max.
Vapor Pressure (Torr) at 20°C: 420.0
Physical Properties
Density (g/mL) at 20°C: 0.6262
Molecular Weight: 72.15
Boiling Point (°C): 36.1
Freezing Point (°C): -129.7
Flashpoint (°C): -49
Elutropic Value, Alumina: 0.00
Elutropic Value, Silica: 0.00
Polarity Index, P': 0.0
Solubility in Water (%) at 20°C: 0.04
UV Cutoff (nm): 190
Viscosity (cP) at 20°C: 0.23