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GREENVEIL

  • beauty
  • industrial

Cyanox CY 1790

CAS 1338721-68-8

Also registered as 3 other CAS numbers

1357193-26-0 · 1839155-96-2 · 40601-76-1

Cyanox CY 1790 chemical structure

Concern score

Not assessed — no hazard data yet.

Cyanox CY 1790 in plain language

What it is

On cosmetic ingredient lists it appears as “Tris(t-butyl hydroxydimethylbenzyl) isocyanuric acid”.

Also known as Tris(t-butyl hydroxydimethylbenzyl) isocyanuric acid · Adk-arkls dh 48 · Antioxidant 1790 · Cyanox 1790 · Cynomix 1790 · Irganox 3790

Show all 8 names

Lowinox 1790 · Phenolic/Phosphite blend

What it does

Used in cosmetics as an antioxidant.

  • Antioxidant
  • Fragrance
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. Cyanox CY 1790 appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveTris(t-Butyl Hydroxydimethylbenzyl) Isocyanuric Acid is the organic compound that conforms to the formula:
    • Tris(t-Butyl Hydroxydimethylbenzyl) Isocyanuric Acid is the organic compound that conforms to the formula:Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including Raw materials. EPA CPDat classifies this chemical for functional uses including Antioxidant, Fragrance, polymerization initiators / inhibitors / catalysts>inhibitors.
    • EPA CPDat observed this chemical in 1 composition records across product categories including Raw materials. EPA CPDat classifies this chemical for functional uses including Antioxidant, Fragrance, polymerization initiators / inhibitors / catalysts>inhibitors.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 Cyanox CY 1790. 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 Cyanox CY 1790 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 23 March 2010

    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 Cyanox CY 1790 in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

6

Raw materials

Typical roles

AntioxidantFragrance
See products using Cyanox CY 1790 →