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GREENVEIL

  • industrial
  • pharma

Dapsone

CAS 80-08-0

Also registered as 2 other CAS numbers

1246638-15-2 · 3017153-12-4

Dapsone chemical structure

Concern score

Not assessed — no hazard data yet.

Dapsone in plain language

What it is

Also known as Diaphenylsulfone · 1,1'-Sulfonylbis · 4,4'-Sulfonyldianiline · 4-(4-aminophenyl)sulfonylaniline · Novophone · Servidapson

Show all 30 names

4,4'-DIAMINODIPHENYLSULFON · 4,4'-Dapsone · 4,4'-Diaminodiphenyl sulphone · 4,4'-Diaminodiphenylsulfone · 4,4'-Sulfonylbisaniline · 4-aminophenyl sulfone · Aczone · Avlosulfon · Avlosulfone · Benzenamine, 4,4'-sulfonylbis- · Bis(4-aminophenyl) sulfone · Croysulfone · Dadps · Dapson · Diaphenylsulfon · Diphenasone · Disulone · Dumitone · Eporal · J04BA02 · Sulfona · Udolac · diaminodiphenyl sulfone · Dapsonum

What it does

We don't have a plain-language description for Dapsone yet.

Recorded functional uses: Chemical reaction regulator · Crosslinking / coupling / curing agents > amines · Diamines

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

Regulation

No restrictions found. Dapsone appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 21 composition records across product categories including Raw materials, Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including sulfure-based monomers, Hardener, Chemical reaction regulator.
    • EPA CPDat observed this chemical in 21 composition records across product categories including Raw materials, Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including sulfure-based monomers, Hardener, Chemical reaction regulator.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 49 active drug products and 51 total products.
    • FDA NDC lists this ingredient in 49 active drug products and 51 total products.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 Dapsone 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

  • EPA Chemical and Products Database

    exposure · updated 2021-06-08

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    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 →
Reference links (1)

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 FDA National Drug Code directory has listed Dapsone in a product composition. These are source records, not Greenveil catalog products.

Source records

51

Typical roles

Chemical reaction regulatorCrosslinking / coupling / curing agents > aminesDiaminesHardenerSulfure-based monomers
See products using Dapsone →