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GREENVEIL

  • cleaning
  • industrial

C.I. Fluorescent brightening agent 28

CAS 4404-43-7

Also registered as 2 other CAS numbers

17118-44-4 · 742056-17-3

C.I. Fluorescent brightening agent 28 chemical structure

Concern score

Not assessed — no hazard data yet.

C.I. Fluorescent brightening agent 28 in plain language

What it is

Also known as Fluorescent brightener 28 free acid · C.I. fluorescent brightener 28, free acid · C.I. fluorescent brightening agent 28, (e)- · CI fluorescent brightening agent 28 · Phorwite bbh · fluorescent brightener 28

Show all 8 names

stilbene brightener · sulfonated triazylstilbene

What it does

Used in consumer products as a colourant.

  • Colourant
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. C.I. Fluorescent brightening agent 28 appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 10 composition records across product categories including Specialty occupational products, Cleaning and safety, Landscape/yard. EPA CPDat classifies this chemical for functional uses including Brightener, Dye.
    • EPA CPDat observed this chemical in 10 composition records across product categories including Specialty occupational products, Cleaning and safety, Landscape/yard. EPA CPDat classifies this chemical for functional uses including Brightener, Dye.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for C.I. Fluorescent brightening agent 28 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    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 →

Suitability

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

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed C.I. Fluorescent brightening agent 28 in a product composition. These are source records, not Greenveil catalog products.

Source records

10

Named organisations

4

Specialty occupational productsCleaning and safetyLandscape/yard

Typical roles

Colourant
See products using C.I. Fluorescent brightening agent 28 →