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  • cleaning

C.I. Fluorescent Brightener 28, disodium salt

CAS 4193-55-9

Also registered as 13 other CAS numbers

23149-46-4 · 59453-69-9 · 73767-47-2 · 75026-67-4 · 81209-93-0 · 95508-20-6 · 106440-52-2 · 134143-09-2 · 144470-48-4 · 153796-14-6 · 645419-88-1 · 1070867-30-9 · 1999502-36-1

C.I. Fluorescent Brightener 28, disodium salt chemical structure

Concern score

Not assessed — no hazard data yet.

C.I. Fluorescent Brightener 28, disodium salt in plain language

What it is

Also known as Fluorescent brightener 28 · C.I. 40622 · C.I. fluorescent brightener 28 · C.I. fluorescent brightening agent 28, disodium salt · CI 40622 · CI fluorescent brightener 28

Show all 13 names

CI fluorescent brightening agent 28, disodium salt · Dasc 2 · BA (fluorescent brightener) · Blankophor DS · Brightener BR 3 · C.I. Fluorescent Brightener 28, sodium salt · C.I. fluorescent brightner 28

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 Brightener 28, disodium salt appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Brightener, Dye.
    • EPA CPDat observed this chemical in 1 composition records across product categories including Cleaning products and household care. 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 Brightener 28, disodium salt 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 2020-03-27

    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 Brightener 28, disodium salt in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

4

Cleaning products and household care

Typical roles

Colourant
See products using C.I. Fluorescent Brightener 28, disodium salt →