High-Purity Liquefied Butane Laboratory Gas from China
99.99% pure liquefied n-butane in 40L lecture bottle for gas chromatography standards and laboratory calibration. HTS 2711.13.0020 applies to this 'other' butane not meeting special purity exclusions. Includes CGA 510 valve.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide GC-MS analysis certificate proving butane identity and impurity levels
• Declare as UN1978 liquefied petroleum gas; ensure cylinder retest dates current
• Lab gas importers often overlook valve outlet standards (CGA510 vs CGA600)