Octane
Standard for GC,≥99.5%(GC)
Reagent
Code: #221367
Alias
n-octane;octane
CAS Number
111-65-9
science Other reagents with same CAS 111-65-9
blur_circular Chemical Specifications
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Molecular Information
Weight
114.23 g/mol
Formula
C₈H₁₈
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Registry Numbers
EC Number
203-892-1
MDL Number
MFCD00009556
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Physical Properties
Melting Point
−57 °C(lit.)
Boiling Point
125-127 °C(lit.)
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Storage & Handling
Density
0.703 g/mL at 25 °C(lit.)
Storage
Room temperature
description Product Description
Used primarily as a reference standard in determining fuel quality for gasoline-powered engines. n-Octane has a low octane rating due to its poor resistance to knocking, making it suitable for calibrating the lower end of octane ratings in automotive fuels, often in blends with high-octane compounds like isooctane. It is blended with other hydrocarbons in gasoline formulations to adjust combustion properties and engine performance. Also used as a solvent in laboratories and in the formulation of calibration mixtures for fuel testing.
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