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C.I. Pigment Green 18

CAS 12001-99-9 · 20/100 · High conf.

Also registered as 1 other CAS number

8006-30-2

C.I. Pigment Green 18 chemical structure

Concern score

20/100Minor concern based on regulatory listings.
High confidence

C.I. Pigment Green 18 in plain language

What it is

On cosmetic ingredient lists it appears as “CI 77289”.

Also known as CI 77289 · Chromium hydroxide green · Chromium (III) hydroxide · 11958 green · C.I. 77289 · Chrome oxide (hydrated) green

Show all 17 names

Hydrated chromium sesquioxide · bis(chromium(3+));tris(oxygen(2-));dihydrate · Cyygbbnbgcvxel-uhfffaoysa-n · Chrome Green Lake · Guignet'S green · Q27288300 · UNII-RV8FT8XF5R · Viridian · Viridian 3B · chromic oxide hydrated · chromium(3+);oxygen(2-);dihydrate

What it does

Used in cosmetics as a colourant.

  • Colorant
  • Colourant
Is it a concern?
Minor concern: no hazard classifications on record.

What the listings say

Permitted, with conditions — C.I. Pigment Green 18 appears on published "allowed" regulatory lists rather than on a restriction list.

Chromium (III) hydroxide is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. C.I. Pigment Green 18 appears in these published regulatory listings.

  • EU Annex IV — permitted colorant
  • EU permitted colorant

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUECallowed_listedAnnex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products. Conditions of use and warnings: free from chromate ion
    • Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products. Conditions of use and warnings: free from chromate ionSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 220 composition records across product categories including Medical/dental, Personal care, Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Dye, Pigment.
    • EPA CPDat observed this chemical in 220 composition records across product categories including Medical/dental, Personal care, Furniture and furnishings. EPA CPDat classifies this chemical for functional uses including Dye, Pigment.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for C.I. Pigment Green 18. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for C.I. Pigment Green 18 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

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2020-08-14

    Open →
  • EPA Chemical and Products Database

    exposure · updated September 2018

    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.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed C.I. Pigment Green 18 in a product composition. These are source records, not Greenveil catalog products.

Source records

220

Named organisations

6

Medical/dentalPersonal careFurniture and furnishings

Typical roles

ColorantColourant
See products using C.I. Pigment Green 18 →

Catalog

Found in these products

Their ingredient lists include C.I. Pigment Green 18; each product's own rating depends on its whole formula, so it is shown on the product page, not here.