Ethylene
Acyclic hydrocarbons: > Unsaturated: > Ethylene
Duty Rate (from China)
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
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)
Products classified under HTS 2901.21.00.00
Polymer Grade Ethylene
High-purity ethylene gas (99.9%+) used as the primary monomer for producing polyethylene plastics in industrial polymerization processes. Classified under HTS 2901.21.00.00 as a separate chemically defined unsaturated acyclic hydrocarbon. Supplied in compressed gas form for petrochemical plant feedstock.
Ethylene for Ethylbenzene Production
Ultra-high purity ethylene (99.99%) specifically for styrene monomer synthesis via ethylbenzene intermediate. Meets Chapter 29 criteria as separate chemically defined organic compound used in petrochemical synthesis. Supplied in cryogenic liquid form for large-scale industrial alkylation.
Medical Grade Ethylene for Anesthesia
Pharmaceutical grade ethylene gas USP certified for use in controlled atmosphere medical applications and research. Classifies under 2901.21 as pure chemically defined hydrocarbon meeting Chapter 29 purity standards. Supplied in medical gas cylinders with USP compliance documentation.
Ethylene for Fruit Ripening (Technical Grade)
Technical grade ethylene gas (98%+) supplied in pressurized cylinders for commercial fruit ripening chambers. Pure hydrocarbon meeting Chapter 29 separate compound definition, not excluded mixtures. Widely used in banana, tomato, and mango post-harvest treatment.
Research Grade Ethylene 99.999%
Ultra-high purity ethylene (5N, 99.999%) for laboratory spectroscopy, reaction kinetics studies, and materials research. Single chemically defined compound per Chapter 29 note (a), supplied in lecture bottles or high-pressure cylinders. Trace analysis certificate included.
Cryogenic Liquid Ethylene
Liquefied ethylene at -103°C for bulk petrochemical delivery via ISO tank containers or rail cars. Remains classified as pure ethylene (HTS 2901.21) per Chapter 29 as physical state doesn't affect chemical classification. Used for on-site vaporization in polymer plants.
Ethylene Calibration Gas 1.0%
1.0% ethylene in nitrogen balance, certified reference gas for environmental monitoring and gas chromatography calibration. While technically a mixture, primary classification follows ethylene component per Chapter 29 rules for dilute solutions. NIST-traceable certification provided.
Vinyl Chloride Monomer Feedstock Ethylene
High-purity ethylene specifically for oxychlorination process in PVC production. Meets 2901.21 chemically pure compound requirements with low moisture specification for direct ethylene dichloride synthesis. Supplied in dedicated pipeline quality or cylinder form.
Ethylene for LDPE Autoclave Process
Specially purified ethylene for high-pressure LDPE production via autoclave reactor technology. Low metal and sulfur content to protect free-radical initiators. Pure hydrocarbon classification under 2901.21 for polymer initiator systems.