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Basic red 51

CAS 77061-58-6

Also registered as 2 other CAS numbers

1016649-33-4 · 12270-25-6

Basic red 51 chemical structure

Concern score

Not assessed — no hazard data yet.

Basic red 51 in plain language

What it is

Also known as CI basic red 51 · Ruby red · Basic Red 51 (Technical Grade) · C.I. Basic Red 51 · Colorex BR51 · UNII-A7A946JJ6I

Show all 9 names

Vibracolor ruby red · rojo basico 51 · rosso di base 51

What it does

We don't have a plain-language description for Basic red 51 yet.

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

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance chemical.

Regulation

No restrictions found. Basic red 51 appears in these published regulatory listings.

  • 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 Basic red 51 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • 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.

Catalog

Found in these products

Their ingredient lists include Basic red 51; each product's own rating depends on its whole formula, so it is shown on the product page, not here.