What other records share CAS 7440-57-5?

CAS 7440-57-5 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains COLLOIDAL GOLD?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 8579315/10/2010

COLLOIDAL GOLD

Colloidal Gold is the product obtained by the suspension of gold in water

COLLOIDAL GOLD is linked to 2 EU annex records on this page.

INCI Checker Compare all markets Search similar

Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

Compare markets

Swipe or scroll horizontally to see every column.

Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	2	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 7440-57-5

CAS 7440-57-5PubChem CID 23985

Gold

Gold(0) is an elemental gold. — ChEBI

IUPAC name: gold

Molecular formula: Au
Molecular weight: 196.96657 g/mol
Exact mass: 196.966570 Da
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 0
Covalent units: 1
Defined stereocentres: 0

Also known as

Gold powderColloidal goldGold flakeGold leafGold, colloidalGold, elementalShell GoldBurnish gold

16 more reported names

Magnesium gold purpleAurum MetallicumCI 7748079Y1949PYOC.I. 77480AUGold (e 175)INS NO.175CHEBI:29287CHEBI:30050INS-175E-175CHEBI:52454Aurum MetNHS InsomniaAurum 5

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:29287
ChEBI:CHEBI:30030
ChEBI:CHEBI:30050
EPA DTXSID:DTXSID3064697
PubMed:36057382
PubMed:29705079
PubMed:28433809
PubMed:27836789
PubMed:27634460
PubMed:27470402
PubMed:26551149
PubMed:25846798
PubMed:25523186
PubMed:25462594
PubMed:24780912
PubMed:24022940

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for COLLOIDAL GOLD

INCI name

COLLOIDAL GOLD

Description

Colloidal Gold is the product obtained by the suspension of gold in water

Record provenance

Inventory reference: 85793
Imported identity: COLLOIDAL GOLD
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for COLLOIDAL GOLD

Annex II Identified ingredient

Entry 1728

Gold (nano) [INCI], Colloidal Gold (nano) [INCI] [1] Gold Thioethylamino Hyaluronic Acid (nano) [IN…

CAS: 7440-57-5 [1] / 1360157-34-1 [2]/ - [3]

EC: 231-165-9 [1]/ - [2]/ - [3]

Annex IV Shared CAS number

Entry 133

CI 77480

CAS: 7440-57-5

EC: 231-165-9

Key data

CAS

7440-57-5

231-165-9

Restriction

—

Function

ANTIMICROBIAL: Preventing and/or slowing down microbial growth.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#7297 · COLLOIDAL GOLD

Records sharing a CAS or EC identity

CI 77480 GOLD

Ingredients with overlapping formulation functions

COCCOMYXA SP. KJ EXTRACTANTIMICROBIAL; ANTI-SEBUM; ORAL CARE

COCHLEARIA GROENLANDICA CALLUS EXTRACTANTIMICROBIAL, ANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SKIN PROTECTING

COCOS NUCIFERA FLOWER NECTAR EXTRACTANTIMICROBIAL, ANTIOXIDANT, BUFFERING

COCOTRIMONIUM CHLORIDEANTIMICROBIAL, ANTISTATIC, PRESERVATIVE, SURFACTANT - CLEANSING

COLLOIDAL PLATINUMANTIMICROBIAL, ANTIOXIDANT, DEODORANT

COLLOIDAL SILVERANTIMICROBIAL, SLIP MODIFIER

COLLOIDAL SULFURANTIMICROBIAL

COMMIPHORA GILEADENSIS BRANCH/FRUIT/LEAF EXTRACTANTIMICROBIAL, ANTIOXIDANT, ASTRINGENT, UV FILTER

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How COLLOIDAL GOLD appears in the CosIng inventory

The CosIng inventory lists COLLOIDAL GOLD as a cosmetic ingredient and this page links it to 2 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

COLLOIDAL GOLD is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

COLLOIDAL GOLD appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

According to the EU CosIng inventory, COLLOIDAL GOLD carries the following function designation(s):

CAS 7440-57-5 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Open INCI Checker

Source note for COLLOIDAL GOLD

This page combines the CosIng inventory entry for COLLOIDAL GOLD with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research COLLOIDAL GOLD and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect COLLOIDAL GOLD and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to COLLOIDAL GOLD, its identifiers or nearby name variants.