Methyl Chloride Refrigerant Grade R-40 from China

Methyl chloride R-40 is a historical refrigerant gas, still used in specialty low-temperature applications and as a methylating agent. Classified under HTS 2903.11.0010 as pure chloromethane, a halogenated acyclic hydrocarbon derivative. Supplied in 50 lb cylinders with refrigerant-grade purity.

Duty Rate — China → United States

40.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)

Import Tips

Include ASHRAE safety classification documentation; R-40 is highly flammable (A2L class)

Declare exact composition; blends with other gases may reclassify under 3824.78

Comply with Montreal Protocol reporting even for non-CFC gases