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Chlorinated paraffins

CAS 63449-39-8

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 63449-39-8
US productionZero
Import value, 2024$272M
Import volume2.1M lb
Import dependency100%
Top sourceCanada 20%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Chlorinated paraffins · US import value by year
$234M2013$328M2022$272M2024$258M2025

2013: $234M · Peak 2022: $328M · 2024: $272M · 2025: $258M

Where It Comes From

Customs basis: HS 340490, 382489 · narrow

EPA reports by year
2023
US production Zero · Imports 2.1M lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 340490, 382489, which covers 8 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 20%CanadaDE 15%GermanyMY 12%MalaysiaIN 10%IndiaKR 8%South Korea
Domestic parents -- activity not disclosed (1)
H.B. Fuller
EPA-registered importers (5)
Safic-Alcan · FR France
Aalborz Chemical
Catalynt Solutions
Chemspec
Nordmann Us

Why It Matters

Sectors
ConstructionPlastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 3 functional roles.

  • •Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Flame retardant in Synthetic Rubber ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Flame retardant in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Emulsifier in Plastics Material and Resin ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS63449-39-8
PubChem CIDNot recorded
DTXSIDDTXSID1033325
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Chlorinated paraffins (CAS 63449-39-8) https://chemicalindependence.com/chemical/63449-39-8/ EPA CompTox (DSSTox): DTXSID1033325. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1033325 EPA Chemical Data Reporting: 63449-39-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 63449-39-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 340490,382489 for CAS 63449-39-8. Reporting year: 2024. https://usatrade.census.gov/