Primary Reference Fuel for Knock Engine Testing – (99.75% Isooctane & 0.1% n-Heptane)
PRF Isooctane is a premium, primary reference fuel from Chevron Phillips Chemical that delivers exceptional performance and consistency for ASTM testing. PRF Isooctane (2,2,4 trimethylpentane) provides an octane rating of 100 and has a CAS No. 540-84-1.
PRF Isooctane is an ideal reference fuel for standard Knock Engine Calibration Testing for Octane Analysis per ASTM D-2699 and D-2700.
Composition, vol %
2,2,4-Trimethylpentane : 99.75 min
n-Heptane : 0.10 max
Other Octanes
Lead Content, g/gal : 0.002 max
Nonvolatile Matter, mg/100 mL
Sulfur Content, ppm
Flash Point, ºF
Primary Chemistry: 2,2,4-Trimethylpentane (Isooctane)
High Quality Product (99.75% Isooctane)
Consistency in Performance
Available in Multiple Package Sizes
ASTM Testing D-2699 and D-2700
Inferior Isooctane Quality or Purity
Inconsistent Knock Engine Calibration Results
PRF Isooctane from CP Chem can be used in a wide range of fuel testing including;
Obtain Cetane Number For Diesel Fuels
Obtain Cetane Number For Oil Classification High Performance Heavy Duty Cycle Fuels
Obtain Cetane Number For Oil Classification Test Fuels
Gasoline Octane Analysis
Fuel Testing
Calibration Standards
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