CI 45220

Also known as: Hydrogen 9-(2,4-disulphonatophenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium, monosodium sal, Xanthylium, 9-(2,4-disulfophenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt, monosodium salt, Xanthylium, 9-(2,4-disulfophenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt, sodium salt (1:1)

CI 45220 (CAS 5873-16-5) is a cosmetic cosmetic ingredient functioning as Colorant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 5873-16-5 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C25H25N2NaO7S2
MW
552.6 g/mol
PubChem CID
65196
IUPAC Name
sodium 4-[3-(ethylamino)-6-ethylazaniumylidene-2,7-dimethylxanthen-9-yl]benzene-1,3-disulfonate
InChIKey
NWWFZBYHUXCUDI-UHFFFAOYSA-M

Regulatory Status

EU EU Status permitted
US US Status restricted
US Notes Not listed as an approved FDA D&C or FD&C color additive for cosmetics in the US.

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 45220.

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

Expert Verdict

Expert safety assessment and concern-level summary for CI 45220.

Regulatory Flags

rinse-off-only not-fda-approved synthetic-dye xanthene-dye sulforhodamine-class

Known Synonyms

Hydrogen 9-(2,4-disulphonatophenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium, monosodium sal Xanthylium, 9-(2,4-disulfophenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt, monosodium salt Xanthylium, 9-(2,4-disulfophenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt, sodium salt (1:1)

Chemical Function

Dye

Australian Status

AICIS status: listed

Frequently Asked Questions

Is CI 45220 safe in cosmetics?

CI 45220 has a safety rating of "GOOD" in our database. EU status: permitted. US status: restricted.

Is CI 45220 allowed in the EU?

CI 45220 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 45220 do in cosmetics?

CI 45220 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 5873-16-5.

Is CI 45220 used outside cosmetics?

CI 45220 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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