Ingredient Dictionary

CI 77288

Dichromium trioxide is a chromium oxide.

How much products actually contain

No product states its amount yet.

Of the products containing it, 121 list it before the 1% line and 93 after it (usually 1% or less).

Products using this ingredient

12 of 213 confirmed · likeliest to carry enough first · See all 213

Definition

Dichromium trioxide is a chromium oxide.

Source: PubChem

US FDA substance register · UNII X5Z09SU859 · registered name CHROMIC OXIDE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 77288 is classed chemically as an inorganic colour. It conforms generally to the formula:

Cosmetic roles

Adds colourCOLORANT

Safety & regulatory references

Banned: Canada · China · South Korea · Taiwan
Restricted: China · South Korea · Taiwan
Allowed colourant: Taiwan · United Kingdom

Source: MFDS (Korea) cosmetic regulatory information · ASEAN Cosmetic Directive · EU Cosmetics Regulation · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS) · US FDA color additives · US FDA prohibited and restricted ingredients

Argentina · Brazil

Field of application and/or use : Dye Substances allowed for all kinds of products.
Other limitations and requirements : Free of chrome ions

ASEAN

Field of application : Colouring agents allowed in all cosmetic products
Other limitations and requirements : Free from chromate ion

United States

Eye Area : Yes
Generally (Includes Lipsticks) : No
External Use : Yes

European Union

Other : free from chromate ion

Source: MFDS (Korea) cosmetic regulatory information

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 129

Source: EU allowed colourants (Annex IV)

Restriction IV/129

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 酸化クロム: 本品は、クロムの酸化物であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

CI 77288INCI크로뮴옥사이드그린Korean label name (MFDS standard)Chromium(III) oxide (Cr2O3)SynonymCHROMIUM OXIDE GREENSSynonymChromium oxide greens(3)Synonym酸化クロムJapanese labelling name

CAS No.chemical registry number: 1308-38-9
EC No.EU chemical inventory number: 215-160-9
DTXSIDUS EPA chemical ID: DTXSID4043721
DTXCIDUS EPA compound ID: DTXCID50326

IUPAC: mu-Oxidobis(oxido)dichromium
Molecular formula: Cr2O3
Molecular weight: 151.989 g/mol

Measured properties

Appearance: Dry Powder, Large Crystals, Liquid, Other Solid, CBI · Green, hygroscopic solid, [CHEMINFO] Insoluble in water, [ACGIH]
Boiling point: 4000 °C
Melting point: 2435 °C · 2320 °C
Solubility: In water, 3.13 ug/L at 20 °C, pH 6, 2.96 ug/L at 20 °C, pH 8 · Practically insoluble in water
Density: 5.22 at 25 °C · 5.22 g/cm³
Stability: Stable under recommended storage conditions.
pH: Trivalent chromium compounds are amphoteric
Odour: odourless
Melting/freezing point: &amp, gt, 723 K
Initial boiling point and range: 4000 ℃
Water solubility: 3.13 ug/L (20℃, pH 6)
Vapour density: 5.21 g/㎤
Relative density: 3.21
Molecular weight: 151.99

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 182 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Dye151
Pigment26
Surface modifier4
Abrasive1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 3 eye studies are on record.

Classed as low3

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 7 studies

Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Category 1
Skin Sensitization · Screening
Not classified
Skin Irritation · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Not classified
Eye Irritation · Screening