94% Purity Liquefied Butane for Calibration Gas from Japan
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.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• 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