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1,2,3-Benzotriazin-4(1H)-one

CAS 90-16-4

Also registered as 1 other CAS number

4184-81-0

1,2,3-Benzotriazin-4(1H)-one chemical structure

Concern score

Not assessed — no hazard data yet.

1,2,3-Benzotriazin-4(1H)-one in plain language

What it is

Also known as 1,2,3-Benzotriazin-4-one · 3H-1,2,3-benzotriazin-4-one · 1,2,3-Benzotriazin-4(3H)-one · 1,2,3-Benzotriazin-4-ol · 1H-1,2,3-benzotriazin-4-one · 3,4-Dihydro-1,2,3-benzotriazin-4-one

Show all 17 names

3,4-Dihydro-4-oxo-1,2,3-benzotriazine · 4-Keto-(3H)-1,2,3-benzotriazine · 4-Ketobenz-1,2,3-triazine · 4-Ketobenzotriazine · 4-Ketobenztriazine · Benzazimide · Benzazimidone · Benzoketotriazine · Benzotriazine UV Inhibitor · Usaf MA-2 · benzotriazinone

What it does

We don't have a plain-language description for 1,2,3-Benzotriazin-4(1H)-one yet.

Recorded functional uses: Brightener

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

Regulation

No restrictions found. 1,2,3-Benzotriazin-4(1H)-one appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Brightener.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Brightener.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 1,2,3-Benzotriazin-4(1H)-one yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-02-05

    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

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 1,2,3-Benzotriazin-4(1H)-one in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

1

Furniture and furnishings

Typical roles

Brightener
See products using 1,2,3-Benzotriazin-4(1H)-one →