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Ingredient Dictionary

GOLD

Gold(0) is an elemental gold.

Molecular structure

How much products actually contain

57 products state the amountmedian 0.0003%

  • under 0.01% 49
  • 0.01–0.1% 8
  • 0.1–1% 0
  • 1% or more 0

Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.

Of the products containing it, 40 list it before the 1% line and 93 after it (usually 1% or less).

Products using this ingredient

12 of 133 confirmed · likeliest to carry enough first · See all 133

Definition

Gold(0) is an elemental gold.

Source: PubChem

US FDA substance register · UNII 79Y1949PYO · registered name GOLD · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Gold is a metallic element. (To identify the colourant allowed for use in the EU, the INCI Name CI 77480 must be used).

Cosmetic roles

Inhibits microbial growthANTIMICROBIALSkin conditioning not covered aboveSKIN CONDITIONING - MISCELLANEOUSChanges the surface of powdersSURFACE MODIFIERAdjusts slipSLIP MODIFIERAdds colourCOLORANT

Safety & regulatory references

Restricted or banned
Canada
Restricted
ASEAN · China · South Korea · Taiwan
Allowed colourant
ASEAN · Taiwan · United Kingdom · United States

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

Argentina · Brazil

  • Field of application and/or use : Dye Substances allowed for all kinds of products.

European Union

  • Other : Purity criteria as set out in Commission Directive 95/45/EC (E175)

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 133

Source: EU allowed colourants (Annex IV)

Other restriction: ban substances that deplete the ozone layer · SCCS opinion: OPINION on Gold (nano), Colloidal Gold (nano), Gold Thioethylamino Hyaluronic Acid (nano) and Acetyl heptapeptide-9 Colloidal gold (nano)

Source: EU CosIng ingredient list

Restriction IV/133 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

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

Official labels & definitions

JCIA labelling name 金: 本品は、元素 Au である。

Source: JCIA labelling names (Japan)

JCIA labelling name コロイド性金: 本品は、水中に金（＊）を懸濁させたものである。

Source: JCIA labelling names (Japan)

Names & identifiers

GOLDINCI금Korean label name (MFDS standard)금콜로이드Korean label name (MFDS standard)CI 77480SynonymCOLLOIDAL GOLDSynonym金Japanese labelling name
CAS No.chemical registry number
7440-57-5
EC No.EU chemical inventory number
231-165-9
DTXSIDUS EPA chemical ID
DTXSID3064697
DTXCIDUS EPA compound ID
DTXCID0047662
IUPAC
Gold
Molecular formula
Au
Molecular weight
196.96657 g/mol

Measured properties

Appearance
CBI, Other Solid, Dry Powder · Gold-coloured powder or tiny sheets
Odour
No odor · odourless
Boiling point
2700 deg C · 2856 °C @760 [mm Hg]
Melting point
1064.76 deg C · 1064.76 °C
Solubility
INSOL IN WATER, ACID, SOL IN POTASSIUM CYANIDE, HOT SULFURIC ACID · Soluble in aqua regia, insoluble in acids
Density
19.3 · 19.3 @25 °C
Stability
Extremely inactive, not attacked by acids, air or oxygen. Superficially attacked by aq halogens at room temp. · Does not corrode in air, but is tarnished by sulfur
pH
6.8
Melting/freezing point
1064.18 ℃
Initial boiling point and range
2856 ℃(1013 hPa)
Water solubility
&amp, lt, 0.1 ug/L (21.5℃, pH: 7.97~7.99)
Vapour density
19.3 g/㎤
Relative density
19.3
n-Octanol/water partition coefficient (Kow)
0.73
Molecular weight
196.97

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 10 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.

  • Dye4
  • Catalyst1
  • Corrosion inhibitor1
  • Plating agent1
  • Softener and conditioner1
  • Biocide1
  • Intermediate1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 0 eye studies are on record.

Classed as low2

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 3 studies
  • Not likely to be sensitizing
    skin sensitisation: in vivo (non-LLNA) · Screening · according to EU Method B.6 (Skin Sensitisation) according to OECD Guideline 406 (Skin Sensitisation) according to other guideline: ISO 10993: 1992 "Biological evaluation of medical devices"
  • Sh
    Skin Sensitization · Authoritative
  • Not likely to be sensitizing
    skin sensitisation: in vivo (non-LLNA) · Screening · according to EU Method B.6 (Skin Sensitisation) according to OECD Guideline 406 (Skin Sensitisation)

Source: US EPA CompTox dashboard

Related literature

Linked databases 26

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