Is CI 24790 safe in cosmetics?
CI 24790 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: prohibited.
Moderate
Cosmetic Ingredient
CI 24790
Also known as: Disodium 4,6-dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulphonyl)oxy)-3-sulphonato-2-naphthyl)azo)phenyl)cyclohexyl)phenyl)azo)naphthalene-2-sulphonate, 2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulfonyl)oxy)-3-s- ulfo-2-naphthalenyl)azo)phenyl)cyclohexyl)phenyl)azo)-, disodium salt, 4,6-Dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulfonyl)oxy)-3-s- ulfo-2-naphthalenyl)azo)phenyl)cyclohexyl)phenyl)azo)-2-naphthale- nesulfonic acid, disodium salt, EINECS 236-531-1
CI 24790 (CAS 13421-53-9) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 13421-53-9 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
disodium;3-[[4-[1-[4-[[7-(benzenesulfonyloxy)-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-4,6-dihydroxynaphthalene-2-sulfonate
InChIKey
DLMKCDGEDBPAFO-UHFFFAOYSA-L
Regulatory Status
EU EU Status
restricted
US US Status
prohibited
US Notes
Not listed as FDA-approved color additive for cosmetics in US 21 CFR; not in FDA color additive inventory
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for CI 24790.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex IV — Permitted Colorants
Product type: Red
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (IV - Colorants)
Product type: Rinse-off products.
BRIN Brazil/India Cosmetics
India: Permitted Colorant
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Regulated in Personal Care
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for CI 24790.
Regulatory Flags
azo-dye
rinse-off-only
eu-annex-iv-restricted
not-fda-approved
limited-safety-data
eu_cosing_listed
Known Synonyms
Disodium 4,6-dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulphonyl)oxy)-3-sulphonato-2-naphthyl)azo)phenyl)cyclohexyl)phenyl)azo)naphthalene-2-sulphonate
2-Naphthalenesulfonic acid, 4,6-dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulfonyl)oxy)-3-s- ulfo-2-naphthalenyl)azo)phenyl)cyclohexyl)phenyl)azo)-, disodium salt
4,6-Dihydroxy-3-((4-(1-(4-((1-hydroxy-7-((phenylsulfonyl)oxy)-3-s- ulfo-2-naphthalenyl)azo)phenyl)cyclohexyl)phenyl)azo)-2-naphthale- nesulfonic acid, disodium salt
EINECS 236-531-1
Chemical Function
Dye
Regulatory Lists
Europe; Personal care
Frequently Asked Questions
Is CI 24790 allowed in the EU?
CI 24790 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does CI 24790 do in cosmetics?
CI 24790 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 13421-53-9.
Compliance Tools
Check CI 24790 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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