CI 10316

Naphthol yellow S is an organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid. It has a role as a histological dye. It contains a flavianate.

Source: PubChem

CI 10316 is classed chemically as a nitro colour. It conforms to the formula:

Restricted

China · Japan · South Korea · Taiwan · United Kingdom · United States

Allowed colourant

Taiwan · United States

Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations · 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, except those applied in the eye area.

ASEAN

• Field of application and/or use : (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
• Maximum authorised concentration in the finished cosmetic product : (b) 0.2%
• Other limitations and requirements : (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use “wear suitable gloves” must be included in label or leaflet text.
• Conditions of use and warning which must be printed on the labels : For a) To be printed on the label: The mixing ratio For a) and b) Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black henna” tattoos may increase your risk of allergy. Do not colour your hair if: • you have a rash on your face or sensitive, irritated and damaged scalp, • you have ever experienced any reaction after colouring your hair, • you have experienced a reaction to a temporary “black henna” tattoo in the past Do not use to dye eyelashes or eyebrows

European Union

• Product Type, body parts : (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products
• Maximum concentration in ready for use preparation : (b) 0,2%
• Other : (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0%
• Wording of conditions of use and warnings : To be printed on the label: Hair colorants can cause severe allergic reactions

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 3 · maximum concentration Not to be used in eye products

Source: EU allowed colourants (Annex IV)

EU Cosmetics Regulation, Annex III (restricted substances), entry 214 · maximum concentration (b) 0,2% · applies to (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products

Source: EU restricted substances (Annex III)

Restriction III/214 (Acid Yellow 1) · SCCS opinion: Opinion on Acid Yellow 1

Source: EU CosIng ingredient list

Restriction IV/3 (CI 10316) III/214 (Acid Yellow 1) · Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Opinion on Acid Yellow 1

Source: EU CosIng ingredient list