Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
ACID RED 52
Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt; CI 45100 (see note 17) is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.
Research docs0Claims0Sources7Functioncolorant • DyeIdentifier3520-42-1
Concern score
70/100High concern based on regulatory listings.
Well researched
How we scored this
The concern value reflects this ingredient's chemical identity — its hazard profile from the published classifications and regulatory status below — not the safety of a product it appears in. A score near 40 is the baseline for ingredients with no specific signal (water scores 40 by design), so a mid-range value is not a safety verdict.
Concern score 70/100 (high) · high confidence.
Regional restrictions
- EU — restricted · Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Maximum concentration: (b) 0.6% Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.5%. Conditions of use and warnings: a) To be printed on the label: The mixing ratio. “ Hair colourants 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…
Where it appears
Prevalence of ACID RED 52 in our catalog (epa_cpdat).
Products
71
Brands
6
Laboratory suppliesRaw materialsCleaning and safetyCleaning products and household careVehicleLandscape/yard
Typical roles
colorantDyeFragrance
Catalog
Found in these products
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
Linked research
Primary documents currently linked to this ingredient record.
No linked research documents are attached to this ingredient yet.
Extracted claims
Structured claim signals pulled from linked ingredient research.
No extracted claims are attached to this ingredient yet.
Regulatory status
Published jurisdiction-level classifications and regulatory designations for this ingredient.
EU
EC
Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Maximum concentration: (b) 0.6% Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.5%. Conditions of use and warnings: a) To be printed on the label: The mixing ratio. “ Hair colourants 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…
Effective: 2014-06-05View source →
EU
EC
Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products. Maximum concentration: Rinse-off products
Effective: 2020-08-14View source →
