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1,3:2,4-Bis(3,4-dimethylbenzylidene)-D-sorbitol

CAS 135861-56-2

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

Molecular structure of 135861-56-2
US productionCBI
Import value, 2024$3.5B
Top sourceIreland 57%

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 293299 · basket

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

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy
EPA-registered manufacturers (1)
Milliken &

Why It Matters

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

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •UV stabilizer in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • •UV stabilizer in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS135861-56-2
PubChem CID18666587
DTXSIDDTXSID4051297
FormulaC24H30O6
Mol. Weight414.5 g/mol
SMILESCC1=C(C=C(C=C1)C2OCC3C(O2)C(OC(O3)C4=CC(=C(C=C4)C)C)C(CO)O)C

Data Sources

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Brief citations

1,3:2,4-Bis(3,4-dimethylbenzylidene)-D-sorbitol (CAS 135861-56-2) https://chemicalindependence.com/chemical/135861-56-2/ EPA CompTox (DSSTox): DTXSID4051297. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4051297 PubChem: 18666587. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/18666587 EPA Chemical Data Reporting: 135861-56-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 135861-56-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293299 for CAS 135861-56-2. Reporting year: 2024. https://usatrade.census.gov/