Tricresyl Phosphate (TCP)
Tricresyl phosphate is an aromatic phosphoric ester used as a plasticizer and flame retardant in vinyl and synthetic lubricants. Classified under HTS 2919.90.30.00 as an 'other' aromatic phosphoric ester and its salts, meeting Chapter 29 requirements for chemically defined organic compounds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing metal salts as lubricant additives
Antiknock preparations and additives with metal compounds shift to heading 3811.
If non-aromatic (aliphatic) ester
Phosphoric esters are separated by aromatic vs non-aromatic structure in 2919.90.
If prepared as plasticizers with other compounds
Mixtures exceeding simple solutions fall under prepared chemical mixtures in 3824.
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Import Tips & Compliance
• Provide technical data confirming cresyl groups confirm aromatic classification vs aliphatic esters
• Include REACH/ TSCA registration docs as it's regulated for toxicity concerns
• Avoid packaging suggesting end-use (e.g
• 'lubricant additive') to prevent Chapter 38 reclassification
Related Products under HTS 2919.90.30.00
Triphenyl Phosphate (TPP)
Triphenyl phosphate is an aromatic phosphoric ester used primarily as a flame retardant in plastics and resins. It falls under HTS 2919.90.30.00 as an aromatic phosphoric ester (other than those specifically named) that is a chemically defined organic compound per Chapter 29 note (a).
Cresyl Diphenyl Phosphate (CDP)
Cresyl diphenyl phosphate is a mixed aromatic phosphoric ester serving as a flame retardant in engineering plastics and hydraulic fluids. It qualifies for HTS 2919.90.30.00 as an 'other' aromatic derivative of phosphoric esters per Chapter 29 chemical compound definitions.
Diphenyl 2-Ethylhexyl Phosphate
This mixed aromatic-aliphatic phosphoric ester functions as a flame retardant plasticizer for PVC and flexible foams. Falls under HTS 2919.90.30.00 because the molecule contains aromatic rings, classified as 'aromatic' per tariff structure despite mixed substituents.
Triphenyl Phosphate Sodium Salt
The sodium salt of triphenyl phosphate, an aromatic phosphoric ester salt used in specialty flame retardant formulations. HTS 2919.90.30.00 covers salts of phosphoric esters per Chapter 29 note on inorganic salts of organic compounds classified with parent ester.
Isopropylated Triphenyl Phosphate
Isopropylated triphenyl phosphate (ITPP) is a commercial flame retardant mixture of aromatic phosphoric esters. Classified under HTS 2919.90.30.00 as 'other' aromatic phosphoric esters when supplied as defined isomers per Chapter 29 note (b).
Diphenyl Phosphate
Diphenyl phosphate serves as a reactive intermediate for synthesizing other phosphoric esters and flame retardants. As a simple aromatic phosphoric ester, it falls under HTS 2919.90.30.00 'other' category for chemically defined organic phosphoric compounds.