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Diallyl phthalate

CAS 131-17-9

U.S. production volumes are classified as confidential business information.

Molecular structure of 131-17-9
US productionCBI
Import value, 2024$28M
Top sourceIndia 39%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 291734 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291734, which covers 34 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 39%IndiaCA 27%CanadaKR 8%South KoreaJP 6%JapanDE 6%Germany
Domestic parents -- activity not disclosed (1)
Soyventis North America
EPA-registered importers (4)
Miki & · JP Japan
Miki Sangyo (Usa)
The Hallstar
Univar Solutions Usa

Why It Matters

Sectors
ConstructionPlastics & RubberConsumer ProductsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 3 functional roles.

  • •Plasticizer in Plastics Product ManufacturingProcessing—incorporation into article
  • •Plasticizer in Rubber Product ManufacturingProcessing—incorporation into article
  • •Insulators in Construction (50%)Processing as a reactant
  • •Waterproofing agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$8.00 / 500 g
Purity98%
Vendors17 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

16 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.02500 g98%
BLD Pharmatech GmbHGermany$0.041 kg98%
BLD Pharmatech Ltd.China$0.041 kg98%
A2B Chem LLCUnited States$0.081 kg98%
AA BLOCKSUnited States$0.091 kg98%
BLD Pharmatech Co., LimitedUnited States$0.111 kg98%
Ambeed, Inc.United States$0.111 kg98%
ALFA AESARGermany$0.18100 g97%
Combi-Blocks, Inc.United States$0.251 kg98%
AK Scientific SpecializedUnited States$0.41100 g95%
AstaTech (2 weeks)United States$1.8825 g95%
MedKoo Biosciences, IncUnited States$10.0025 g98%
TargetMol ChemicalsChina → United States$42.001 g98.6%
Sigma-Aldrich (Rush Stock)Germany$213.96250 mg—
Sigma-AldrichGermany$213.96250 mg—
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS131-17-9
PubChem CID8560
DTXSIDDTXSID7020392
FormulaC14H14O4
Mol. Weight246.26 g/mol
SMILESC=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C

Data Sources

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Brief citations

Diallyl phthalate (CAS 131-17-9) https://chemicalindependence.com/chemical/131-17-9/ EPA CompTox (DSSTox): DTXSID7020392. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7020392 PubChem: 8560. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8560 EPA Chemical Data Reporting: 131-17-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 131-17-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291734 for CAS 131-17-9. Reporting year: 2024. https://usatrade.census.gov/