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Annex IV Entry 62 14/08/2020

Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

CI 42080

Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt appears in Annex IV as a positive-list colorant entry for EU cosmetics. Maximum concentration in this record: Rinse-off products.

Permitted colorant— Annex IV, EU Regulation 1223/2009
Max conc.: Rinse-off products
Entry: 62

Chemical identity and properties

PubChem 2D chemical structure for CAS 3486-30-4
CAS 3486-30-4PubChem CID 62498

Acid Blue 7

IUPAC name
sodium 4-[[4-[benzyl(ethyl)amino]phenyl]-[4-[benzyl(ethyl)azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzene-1,3-disulfonate
Molecular formula
C37H35N2NaO6S2
Molecular weight
690.8 g/mol
Exact mass
690.18342347 Da
Topological polar surface area
137.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

Patent Blue AFenazo bluexgErio Glaucine XAcid Sky Blue OAcid Turquoise Blue AHidacid Blue ACarmine Blue AFHidacid Blue AF
16 more reported names
Patent Blue AFVulcol Blue BZXylene Blue ASC.I. ACID BLUE 7Calcocid Blue AXErio Glaucine XCErio Glaucine XSKiton Blue AAcid Blue OLake Blue AFXMerantine Blue AFDisulphine Blue ANC.I. Acid Blue 7, sodium saltKayacyl Pure Blue FGABrilliant Acid Blue ASBucacid Patent Blue AF
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Maximum concentration

Rinse-off products

Colour index or glossary

CI 42080

Chemical name

Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

Chemical / IUPAC name

Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

Color

Blue

Regulatory information

Regulation

(EC) 2009/1223

See every entry this act set

Identified ingredients

Key data

Annex
Entry number
62

Inventory links for Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

Inventory Restriction reference
Ref 32755

CI 42080

CAS: 3486-30-4
EC: 222-476-0

Direct matches are limited for this record, so nearby entries from Annex IV are shown as well.

Annex IV 64
Nearby record in the same annex

CI 42100

CAS: 4857-81-2
EC: 225-458-0
Annex IV 65
Nearby record in the same annex

CI 42170

CAS: 5863-51-4
EC: 227-513-4
Annex IV 58
Nearby record in the same annex

CI 40850

CAS: 514-78-3
EC: 208-187-2
Annex IV 66
Nearby record in the same annex

CI 42510

CAS: 632-99-5
EC: 211-189-6
Annex IV 57
Nearby record in the same annex

CI 40825

CAS: 1109-11-1
EC: 214-173-7
Annex IV 56
Nearby record in the same annex

CI 40820

CAS: 1962-15-8
EC: 214-171-6
Annex IV 68
Nearby record in the same annex

CI 42735

CAS: 6505-30-2
EC: 229-390-2

What Annex IV means for Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt is an approved colorant listed in Annex IV of EU Cosmetics Regulation 1223/2009. Only colorants on this positive list may be used to colour cosmetic products on the EU market.

Some colorants in Annex IV are restricted by product type — for example, prohibited from use around the eyes or in products applied to mucous membranes. Check the product type and conditions fields above before use.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Confirm colorant is used only in permitted product types listed above.
  • Record the Colour Index number and CAS identifier in the ingredient declaration.

Frequently asked questions

Yes. Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt is included in Annex IV of EU Cosmetics Regulation 1223/2009 as a permitted colorant. Only colorants on this positive list may be used to colour cosmetic products in the EU. Check the product type conditions above for any use restrictions.

CAS 3486-30-4 is the unique numerical identifier assigned to Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

The maximum concentration of Rinse-off products applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

Source note for Annex IV record Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt

This page summarizes one Annex IV record for Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex IV conditions for Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt, but confirm any final regulatory decision against the current official annex wording and source files.

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