NOAEL Data Cosmetic Ingredient

C.I. Acid Orange 6

Also known as: 2,4-Dihydroxyazobenzene-4′-sulfonate sodium salt, Benzenesulfonic acid, 4-[2-(2,4-dihydroxyphenyl)diazenyl]-, sodium salt (1:1), Acid Leather Yellow PGW, Acid Phosphine G New, Acme Yellow Acid Yellow RS (+15 more)

CAS 547-57-9

C.I. Acid Orange 6 (CAS 547-57-9) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Acid Orange 6 →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
1
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 25 fields
Name
C.I. Acid Orange 6
CAS Number
547-57-9
DTXSID
DTXSID70873925
Molecular Formula
C12H10N2O5S.Na
InChI Key
COEZWFYORILMOM-UHFFFAOYSA-M
Synonyms
2,4-Dihydroxyazobenzene-4′-sulfonate sodium saltBenzenesulfonic acid, 4-[2-(2,4-dihydroxyphenyl)diazenyl]-, sodium salt (1:1)Acid Leather Yellow PGWAcid Phosphine G NewAcme Yellow Acid Yellow RSBenzenesulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-, monosodium saltBenzenesulfonic acid, p-(2,4-dihydroxyphenylazo)-, sodium saltC Yellow 12C.I. 14270Acid Orange 6C.I. Acid Orange 6, monosodium saltC.I. Food Yellow 8

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 4 records
Dye

Regulatory Lists

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

SOURCE EPA CPDat 1 records
ListKeywordSource
Europe; Personal careEuropean CommissionCosIng

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
NF91VMI73LUNIIFDA UNII substance identifier--openFDA substances
NF91VMI73LUNIIFDA UNII substance identifier--openFDA substances
NF91VMI73LUNIIFDA UNII substance identifier--openFDA substances
NF91VMI73LUNIIFDA 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
prohibited
Max
-
Category
Colorant
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for C.I. Acid Orange 6?

C.I. Acid Orange 6 has 4 NOAEL studies in the database. The lowest reported value is NF91VMI73L UNII. Source: openFDA substances.

What regulatory lists include C.I. Acid Orange 6?

C.I. Acid Orange 6 appears on 1 regulatory/inventory list including Europe; Personal care. Source: EPA CPDat.

Is C.I. Acid Orange 6 used in cosmetics?

Yes, C.I. Acid Orange 6 is also indexed as a cosmetic ingredient under the name Acid Orange 6. 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 C.I. Acid Orange 6 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.

Does C.I. Acid Orange 6 have different safety status in cosmetics vs industrial chemicals?

C.I. Acid Orange 6 is prohibited in EU cosmetics but has active industrial GHS classifications.

Is C.I. Acid Orange 6 used outside industrial chemicals?

C.I. Acid Orange 6 also appears in cosmetics databases.