Substance Information

Substance Infocard

IC

Disodium 6-[(2,4-dimethyl-6-sulphonatophenyl)azo]-5-hydroxynaphthalene-1-sulphonate

EC / List no.: 221-856-3

CAS no.: 3257-28-1

Mol. Formula: C18H14N2Na2O7S2

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Key datasets

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Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
Cosmetic Products Regulation
  • EU. Cosmetics Regulation Annex IV, Allowed Colorants
    EU. Allowed Colorants: Annex IV, Regulation 1223/2009/EC on Cosmetic Products, as amended by Regulation 2019/681/EU, 2 May 2019

    This list contains coloring agents allowed for use in cosmetic products marketed in the European Union. The list indicates the approved fields for application, including whether or not the colorant is permitted for use in products applied near the eye or on mucous membranes, or in products intended to come in contact with skin.

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Substance names and other identifiers

Regulatory process names
1-Naphthalenesulfonic acid, 6-((2,4-dimethyl-6-sulfophenyl)azo)-5-hydroxy-, disodium salt
Other
1-Naphthalenesulfonic acid, 6-(2-(2,4-dimethyl-6-sulfophenyl)diazenyl)-5-hydroxy-, sodium salt (1:2)
Other
Acid Scarlet GNA
Other
Acid Scarlet JN Extra Pure A
Other
C.I. Food Red 2, disodium salt
Other
Cerven potravinarska 2
Other
CI 14815
Other
Cilefa Red G
Other
Disodium 6-((2,4-dimethyl-6-sulfophenyl)azo)-5-hydroxy-1-naphthalenesulfon- ate
Other
Disodium 6-((2,4-dimethyl-6-sulphonatophenyl)azo)-5-hydroxynaphthalene-1-sulphonate
Other
Disodium 6-[(2,4-dimethyl-6-sulphonatophenyl)azo]-5-hydroxynaphthalene-1-sulphonate
EC Inventory, Pre-Registration process, EU. Cosmetics Regulation Annex IV, Allowed Colorants
Disodium 6-[[](2,4-dimethyl-6-sulphonatophenyl)azo]-5-hydroxynaphthalene-1-sulphonate
Other
Ecarlate GN
Other
Eurocert Scarlet GN
Other
Food Red 2
Other
Salmon Red Geigy
Other
Sarlach GN
Other
Scarlet GN
Other
Scarlet GN Specially Pure
Other
IUPAC names
disodium 6-[(E)-2-(2,4-dimethyl-6-sulfophenyl)diazen-1-yl]-5-hydroxynaphthalene-1-sulfonate
Other
Other identifiers
3257-28-1
EC Inventory, Pre-Registration process, Other, EU. Cosmetics Regulation Annex IV, Allowed Colorants
CAS number

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