Butane Reference Fuel RM-1
Certified reference butane (iso-butane/n-butane blend) for automotive engine testing per ASTM D1837. Pure hydrocarbon standard under HTS 2901.10.10.00. Supplied in pressure cylinders with NIST traceability.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If motor fuel blend with additives
Light oils for motors classified as petroleum products.
If part of complete engine test apparatus
Instruments for measuring hydrocarbon content take precedence.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• ASTM specification docs; octane rating certificate; specify test fuel use to avoid Chapter 27
Related Products under HTS 2901.10.10.00
Research Grade Ethane Gas
High-purity ethane (C2H6) gas supplied in compressed cylinders for laboratory research and chemical synthesis. Classified under HTS 2901.10.10.00 as a separate chemically defined acyclic saturated hydrocarbon. Meets Chapter 29 note (a) for pure organic compounds.
Ultra-High Purity Butane (99.999%)
N-butane (C4H10) at 99.999% purity for semiconductor manufacturing and calibration gas standards. Pure saturated acyclic hydrocarbon under HTS 2901.10.10.00 per Chapter 29 definitions. Supplied in specialty gas cylinders.
Ethane Calibration Standard 10 ppm
Ethane gas mixture at 10 ppm in nitrogen balance for gas chromatography calibration. Principal component ethane qualifies under HTS 2901.10.10.00 as chemically defined compound per Chapter 29 note (a). NIST-traceable certified reference material.
Iso-Butane Aerosol Propellant Grade
Isobutane (2-methylpropane) >99.5% purity for aerosol packaging propellants. Pure saturated acyclic hydrocarbon classified HTS 2901.10.10.00 under Chapter 29 for separate organic compounds. Supplied in bulk pressure containers.
Liquid Ethane for Petrochemical Feed
Refrigerated liquid ethane (C2H6) for ethylene cracker feedstock in plastics production. Meets HTS 2901.10.10.00 as pure saturated acyclic hydrocarbon per Chapter 29 note (a). Transported in ISO tank containers.
N-Butane Laboratory Solvent
N-butane gas 99.9% pure used as extraction solvent in analytical chemistry labs. Saturated acyclic hydrocarbon under HTS 2901.10.10.00 per Chapter 29 definitions. Supplied in lecture bottle cylinders.