Dioctyl Phthalate (DOP)
Dioctyl phthalate (DOP) is a clear, oily liquid classified as an acyclic polycarboxylic acid ester used primarily as a plasticizer for PVC. It imparts flexibility and durability to plastics by embedding between polymer chains, reducing brittleness. This product falls under HTS 2917.19.70.20 as a plasticizer derived from phthalic acid.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aromatic cyclic structure dominates
Aromatic polycarboxylic acid derivatives like certain phthalates classify under 2917.39 if not specified as acyclic.
If blended with stabilizers or supplied as formulated mixture
Mixtures of plasticizers with additives exceeding simple solutions fall under chemical preparations in Chapter 38.
If ester content below 70% or primarily petroleum-derived
Petroleum-based plasticizer oils without predominant ester function classify as lubricants in Chapter 27.
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Import Tips & Compliance
• Verify purity exceeds 99% and obtain Certificate of Analysis (CoA) to confirm classification as a chemically defined plasticizer
• Include Safety Data Sheets (SDS) showing low volatility and compatibility with PVC to avoid reclassification as a solvent
• Ensure proper labeling for REACH compliance if destined for EU markets, as phthalates face usage restrictions
Related Products under HTS 2917.19.70.20
Diisononyl Phthalate (DINP)
Diisononyl phthalate (DINP) serves as a high-performance plasticizer for flexible PVC applications like wire insulation and toys. Its branched alkyl chains provide excellent permanence and low volatility. Classified under HTS 2917.19.70.20 as an acyclic polycarboxylic derivative used specifically as a plasticizer.
Dibutyl Phthalate (DBP)
Dibutyl phthalate (DBP) is a general-purpose plasticizer for cellulose acetate, PVC, and nitrocellulose lacquers. It offers good electrical properties and solvency despite regulatory restrictions in consumer goods. This acyclic polycarboxylic ester plasticizer is specifically covered by HTS 2917.19.70.20.
Di(2-ethylhexyl) Terephthalate (DOTP)
DOTP is a bio-based phthalate alternative plasticizer offering similar performance to DOP with better cold flexibility. Used in automotive interiors, flooring, and medical devices. Despite aromatic structure, classified as acyclic polycarboxylic plasticizer under HTS 2917.19.70.20.
Tributyl Citrate (TBC)
Tributyl citrate is a citrate ester plasticizer approved for food contact and medical applications due to low toxicity. It provides good plasticity to PVC films and coatings. As an acyclic polycarboxylic acid triester used as plasticizer, it falls under HTS 2917.19.70.20.
Butyl Benzyl Phthalate (BBP)
BBP plasticizer offers rapid processing and good electrical insulation for PVC wire coatings and leather cloth. Its mixed alkyl/aryl structure provides unique solvency. Classified under HTS 2917.19.70.20 as acyclic polycarboxylic plasticizer.
Diethylhexyl Adipate (DEHA)
DEHA is a low-temperature plasticizer for outdoor PVC applications like tarpaulins and conveyor belts. It maintains flexibility at subzero temperatures. As an acyclic dicarboxylic ester plasticizer, classified under HTS 2917.19.70.20.