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2903.11.00.10/Electronic Grade Chloromethane 99.999%/Japan

Electronic Grade Chloromethane 99.999% from Japan

Ultra-high purity (6N) chloromethane used in vapor phase epitaxial growth of compound semiconductors and as a dopant source. Meets stringent HTS 2903.11.0010 classification as chemically defined chloromethane for electronics manufacturing. Lecker-free cylinders.

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

• Provide SEMI-standard impurity specifications (metals <1ppb)

• Use UHP gas manifolds; standard fittings cause particle generation

• Coordinate with CVD equipment HTS 8486.20 declarations