3827.69.00.00/Solstice N40X HFC Refrigerant/Japan

Solstice N40X HFC Refrigerant from Japan

Solstice N40X (R-454A: HFC-32/HFO-1234yf 72/28%) for new AC systems, very low GWP. HTS 3827.69.00.00 applies to its HFC content without CFCs/HCFCs. A2L mildly flammable classification.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Classify as UN1950 2.1 flammable gas; requires special ventilation in transport

• Include LFL/UFL data (4.1-20.5%); train handlers per OSHA 1910.119

• Confirm no HCFC stabilizers for SNAP low-GWP eligibility