What does the restriction note for GOLD CHLORIDE HCL mean?

The restriction field for GOLD CHLORIDE HCL reads: II/296. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 16903-35-8?

CAS 16903-35-8 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 GOLD CHLORIDE HCL?

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 8519518/11/2016

GOLD CHLORIDE HCL

tetrachloroauric acid

GOLD CHLORIDE HCL is linked to 1 EU annex record on this page. Inventory note: II/296.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	1	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Evidence linked Prohibited Open this evidence	1	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

Exact external identity check

matched

One PubChem compound was retained because the exact CosIng name appears among its reported synonyms.

PubChem title: Tetrachloroauric acid
IUPAC name: gold(3+);hydron;tetrachloride
Molecular formula: AuCl4H
Molecular weight: 339.8 g/mol
InChIKey: VDLSFRRYNGEBEJ-UHFFFAOYSA-K

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Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for GOLD CHLORIDE HCL

INCI name

GOLD CHLORIDE HCL

Description

tetrachloroauric acid

Record provenance

Inventory reference: 85195
Imported identity: GOLD CHLORIDE HCL
Source update: 18/11/2016

European Commission CosIng source notes

Annex records for GOLD CHLORIDE HCL

Annex II Restriction reference

Entry 296

Gold salts

Key data

CAS

16903-35-8

240-948-4

Restriction

II/296

Function

COLORANT: Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light. All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.
HUMECTANT: Retaining and/or preserving the moisture in a product during use.

Official EU ingredient-name evidence

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

#11402 · GOLD CHLORIDE HCl

Ingredients with overlapping formulation functions

GARCINIA HANBURYI SAP POWDERCOLORANT

GARDENIA JASMINOIDES FRUIT EXTRACTCOLORANT

GLYCIDOXYPROPYL TRIMETHOXYSILANE/PEI-250 CROSSPOLYMER FLUORESCENT BRIGHTENER 23…COLORANT, OPACIFYING

GOLDCOLORANT, SKIN CONDITIONING - MISCELLANEOUS, SLIP MODIFIER, SURFACE MODIFIER

GRAPHENEBULKING; CHELATING; COLORANT; UV ABSORBER

GRAPHITECOLORANT

GUANINECOLORANT, OPACIFYING

HAEMATOXYLUM BRASILETTO WOOD EXTRACTCOLORANT

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 GOLD CHLORIDE HCL appears in the CosIng inventory

The CosIng inventory lists GOLD CHLORIDE HCL as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

GOLD CHLORIDE HCL 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

GOLD CHLORIDE HCL 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.

The restriction field for GOLD CHLORIDE HCL reads: "II/296". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

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

CAS 16903-35-8 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.

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Source note for GOLD CHLORIDE HCL

This page combines the CosIng inventory entry for GOLD CHLORIDE HCL with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

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

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Tools & next steps

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