NOAEL Data Cosmetic Ingredient

1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt

Also known as: L Red Z 3000, Acid Scarlet GNA, Acid Scarlet JN Extra Pure A, Cilefa Red G, EINECS 221-856-3 (+8 more)

CAS 3257-28-1

1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt (CAS 3257-28-1) is a chemical substance. Key regulatory status: 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for CI 14815 (Scarlet GN / FD&C Red No. 4) →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
3
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 19 fields
Name
1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt
CAS Number
3257-28-1
DTXSID
DTXSID9062938
Molecular Formula
C18H16N2O7S2.2Na
InChI Key
UEUGTXFKMNWFRE-UHFFFAOYSA-L
Monoisotopic Mass
482.019432
Synonyms
L Red Z 3000Acid Scarlet GNAAcid Scarlet JN Extra Pure ACilefa Red GEINECS 221-856-3Eurocert Scarlet GNSalmon Red GeigyScarlet GNScarlet GN Specially PureCerven potravinarska 2Ecarlate GNSarlach GN

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Dye

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 3 records
ListKeywordSource
Arts and crafts/Office supplies - body paint; detected; EuropeDanish Environmental Protection AgencyDanish EPA
Arts and crafts/Office supplies - body paint; detected; EuropeDanish Environmental Protection AgencyDanish EPA
Europe; Personal careEuropean CommissionCosIng

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
92NT7608O0UNIIFDA UNII substance identifier--openFDA substances
92NT7608O0UNIIFDA UNII substance identifier--openFDA substances
92NT7608O0UNIIFDA UNII substance identifier--openFDA substances
92NT7608O0UNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Colorants
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt?

1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt has 4 NOAEL studies in the database. The lowest reported value is 92NT7608O0 UNII. Source: openFDA substances.

What regulatory lists include 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt?

1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt appears on 2 regulatory/inventory lists including Arts and crafts/Office supplies - body paint; detected; Europe, Europe; Personal care. Source: EPA CPDat.

Is 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt used in cosmetics?

Yes, 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt is also indexed as a cosmetic ingredient under the name CI 14815 (Scarlet GN / FD&C Red No. 4). View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Is 1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt used outside industrial chemicals?

1-Naphthalenesulfonic acid, 6-[(2,4-dimethyl-6-sulfophenyl)azo]-5-hydroxy-, disodium salt also appears in cosmetics databases.