U.S. imports of Dioctyl Orthophthalates (SITC 51383) totaled $600K in August 2026, imported from 11 countries.
Importers of Dioctyl Orthophthalates paid $84K in duties in August 2026, an average duty rate of 13.97% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Dioctyl Orthophthalates imports of $600K in August 2026 ran 13% above the year-to-date monthly average of $530K.
Last updated: August 2026 dataDioctyl orthophthalates (DOP/DEHP) serve as high-volume plasticizers primarily for PVC, imparting flexibility in wire insulation, flooring, and medical tubing. Regulatory scrutiny of phthalate plasticizers — particularly DEHP — has intensified under CPSC rules for children's products and FDA oversight for medical devices, making compliance documentation a front-line concern for importers. Section 301 tariff exposure may apply depending on the country of origin, so buyers sourcing from Asia should verify current trade-remedy status before finalizing contracts.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
12 import shipments a month
DEHP and related phthalates are restricted by the Consumer Product Safety Improvement Act (CPSIA) in children's toys and childcare articles above specified concentration thresholds. Importers of finished goods containing DOP must ensure compliance with CPSC limits; the chemical itself as a bulk industrial import is not banned but may require safety data documentation.
Importers should have a certificate of analysis confirming chemical identity and purity, a Safety Data Sheet (SDS), and country-of-origin documentation. Given potential Section 301 exposure for certain origins, a binding ruling or broker review of the applicable HTS classification and any active trade-remedy orders is advisable before the first shipment.
Basic heading 412 of 465 in section 5
Basic heading 51383 · $600K of $27.5B
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Imports · August 2026
origin
South Korea and France together supply 62% of it. China pays 44.0% duty; Mexico 0.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$600KYoY · free account
Exports
$205KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $5.8M of Dioctyl Orthophthalates and exported $3.3M.
Through August 2026. Source: U.S. Census Bureau.