Skip to content
  • beauty
  • industrial

Diisononyl phthalate

CAS 20548-62-3

Also registered as 5 other CAS numbers

41375-91-1 · 58033-90-2 · 105009-97-0 · 28553-12-0 · 68515-48-0

Diisononyl phthalate chemical structure

Concern score

Not assessed — no hazard data yet.

Diisononyl phthalate in plain language

What it is

Also known as Dinp · Diisononylphthalate · bis(7-methyloctyl) benzene-1,2-dicarboxylate · 1,2-Benzenedicarboxylic acid, 1,2-diisononyl ester · 1,2-Benzenedicarboxylic acid, di-isononyl ester · 1,2-Benzenedicarboxylic acid, diisononyl ester

Show all 28 names

Baylectrol 4200 · Bis-isononyl phthalate · Di-isononyl phthalate · Diacizer dinp · Di-''isononyl'' phthalate · Enj 2065 · Isononyl alcohol, phthalate (2:1) · Jayflex dinp · Monocizer dinp · Palatinol dinp · Phthalisocizer dinp · Phthalsaeure-diisononylester · Plastomoll dinp · Phthalic acid diisononyl ester · Sansocizer dinp · Vestinol 9 · Vestinol nn · Vinycizer 90 · Witamol 150 · diiosononyl phthalate · diisononyl phthalate. vp:1.3 · diisononyl pthalate

What it does

Used in cosmetics as an anticaking agent.

  • Anticaking
  • Fragrance
  • Conditioner
  • Anti-caking agent
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Diisononyl phthalate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveDiisononyl Phthalate is the organic compound that conforms to the formula:
    • Diisononyl Phthalate is the organic compound that conforms to the formula:Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 37 composition records across product categories including Construction, Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including Anti-caking agent, Softener and conditioner, Plasticizer.
    • EPA CPDat observed this chemical in 37 composition records across product categories including Construction, Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including Anti-caking agent, Softener and conditioner, Plasticizer.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Diisononyl phthalate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Diisononyl phthalate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated November 2015

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Diisononyl phthalate in a product composition. These are source records, not Greenveil catalog products.

Source records

37

Named organisations

6

ConstructionHome maintenanceRaw materialsIndustrial productsConstruction and building materialsElectronics/small appliances

Typical roles

AnticakingFragranceConditionerAnti-caking agent
See products using Diisononyl phthalate →