Didecyl Orthophthalate (DIDP)
Didecyl orthophthalate (DIDP) is a straight-chain phthalate ester from orthophthalic acid esterified with decanol, specifically named in HTS 2917.33.00. It serves as a high-performance plasticizer for wire insulation, flooring, and automotive applications requiring thermal stability.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dioctyl orthophthalates instead
Different alcohol chain length changes to specifically named dioctyl phthalates earlier in 2917.39.
If imported as solution in organic solvent for transport
Chapter 29 note (e) allows classification here only if solvent is necessary for safety/transport, not specific use.
If for rubber compounding use with vulcanizing additives
Compound rubber additives may fall under Chapter 38 if prepared for specific rubber industry use.
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Import Tips & Compliance
• Include technical data sheet confirming >99% purity to avoid reclassification as mixtures
• Comply with phthalate content restrictions under CPSIA for consumer products; certify non-toy applications
• Declare exact isomer composition as Chapter 29 note (b) excludes certain isomer mixtures
Related Products under HTS 2917.33.00
Dinonyl Orthophthalate (DINP)
Dinonyl orthophthalate (DINP) is a branched phthalate ester derived from orthophthalic acid and isononanol, classified under HTS 2917.33.00 as a specific aromatic polycarboxylic acid derivative. It is primarily used as a non-phloxylator plasticizer in PVC production for flexible plastics.
Palatinol N (DINP Technical Grade)
Palatinol N is BASF's commercial DINP product, a technical-grade dinonyl orthophthalate plasticizer under HTS 2917.33.00. Used in flexible PVC films, cables, and coated fabrics, it provides excellent gelling and electrical properties.
VESTINOL C (DIDP Long Chain)
VESTINOL C from Evonik is a didecyl orthophthalate plasticizer captured by HTS 2917.33.00, optimized for high-temperature PVC applications. Its long C10 chains ensure low volatility in wire & cable insulation and automotive underbody coatings.
DINP 99% Pure Industrial Plasticizer
High-purity (99%) dinonyl orthophthalate specifically enumerated in HTS 2917.33.00, used in industrial PVC plastisols for flooring and wallcoverings. Meets Chapter 29 requirements for separate chemically defined organic compounds.