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94% Purity Liquefied Butane for Calibration Gas

Liquefied butane at 94% purity formulated for calibration of gas analyzers and laboratory equipment, with certified impurities. Classified precisely under HTS 2711.13.00.10 for its sub-95% butane content as a liquefied hydrocarbon gas. Not for combustion use.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+25.0%25%
🇲🇽MexicoFree—Free
🇨🇦CanadaFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3822Lower: 12.5% vs 25%

If diagnostic reagents with butane as carrier

Lab reagents containing butane mixtures classify as diagnostic reagents in 3822.

9027.50.40Higher: 37.5% vs 25%

If pre-filled in gas analysis instruments

Butane in measuring instruments for gas properties falls under Chapter 90 lab equipment.

2711.29.00Same rate: 25%

If purity drops below 90% with other gases

Lower purity gaseous hydrocarbon mixtures enter the general 'other' liquefied gases subheading.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Include NIST-traceable certificates of analysis for purity claims

• Label cylinders with UN1950 for LPG; follow PHMSA pipeline safety rules

• Avoid retail packaging confusion; bulk industrial exempt from some consumer labels