ACID YELLOW 1
Disodium 5,7-dinitro-8-oxido-2- naphthalenesulfonate CI 1036
ACID YELLOW 1 is listed in Annex III and may only be used under the conditions shown in this record. Maximum concentration in this record: (b) 0,2%.
Record details
Maximum concentration
(b) 0,2%
Product type
Other restrictions
(a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0%
Warnings
To be printed on the label:
Hair colorants can cause severe allergic reactions
INCI glossary name
ACID YELLOW 1
Chemical name
Disodium 5,7-dinitro-8-oxido-2- naphthalenesulfonate CI 1036
Chemical / IUPAC name
Disodium 5,7-dinitro-8-oxido-2- naphthalenesulfonate CI 1036
Regulatory information
Regulation
(EU) 2013/658
Identified ingredients
Key data
Inventory links for ACID YELLOW 1
Related records for ACID YELLOW 1
CI 19140 / ACID YELLOW 23
ACID BLUE 9
N,N-bis(2-Hydroxyethyl)- p-Phenylenediamine Sulfate
What Annex III means for ACID YELLOW 1
ACID YELLOW 1 is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.
When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.
This record is linked to 2 CosIng inventory ingredients for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Ensure formulation concentration does not exceed: (b) 0,2%
- Confirm product type compatibility: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products
- Include required warning statement on product label.
- Document conditions of use in the Product Information File (PIF).
Frequently asked questions
Source note for Annex III record ACID YELLOW 1
This page summarizes one Annex III record for ACID YELLOW 1 from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex III conditions for ACID YELLOW 1, but confirm any final regulatory decision against the current official annex wording and source files.
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