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2711.13.00/N-Butane Calibration Gas/Canada

N-Butane Calibration Gas from Canada

Liquefied n-butane in trace concentrations for gas chromatography calibration standards. Under HTS 2711.13.00 as liquefied butane, used in laboratory quality control. Provided in certified cylinders with NIST traceability.

Duty Rate — Canada → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include NIST or ISO 17025 calibration certificates for duty preference claims

• Specify exact ppm concentration to avoid reclassification as mixtures

• Use proper UN 1011 labeling for lab gas cylinders

N-Butane Calibration Gas from Canada — Import Duty Rate | HTS 2711.13.00