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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared from terephthalic acid instead of phthalic
Terephthalic acid esters like DOTP classify under specific 2917.36 regardless of plasticizer function.
If polymerized or reacted into plasticizer resin form
Polymer-modified plasticizers become artificial resins under Chapter 39 rather than pure compounds.
If supplied as saturated aliphatic ester without carboxyl function
Simple acyclic alcohol esters without acid-function classify earlier in Chapter 29.
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Import Tips & Compliance
• Provide GC-MS analysis confirming isononyl alcohol ester content to distinguish from linear chain phthalates
• Include end-use declarations avoiding toy applications due to phthalate content restrictions in many markets
• Monitor viscosity specs (typically 50-100 cP) as excessive thickening may trigger mixture classification
Related Products under HTS 2917.19.70.20
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.
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.