NOAEL Data Cosmetic Ingredient

C.I. Solvent Orange 1

Also known as: 1,3-Benzenediol, 4-(phenylazo)-, 1,3-Benzenediol, 4-(2-phenyldiazenyl)-, 4-(Phenylazo)resorcinol, 4-16-00-00264, C.I. Food Orange 3 (+15 more)

CAS 2051-85-6

C.I. Solvent Orange 1 (CAS 2051-85-6) 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 11920 →

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 26 fields
Name
C.I. Solvent Orange 1
CAS Number
2051-85-6
DTXSID
DTXSID9062146
Molecular Formula
C12H10N2O2
InChI Key
BPTKLSBRRJFNHJ-UHFFFAOYSA-N
Monoisotopic Mass
214.074228
Synonyms
1,3-Benzenediol, 4-(phenylazo)-1,3-Benzenediol, 4-(2-phenyldiazenyl)-4-(Phenylazo)resorcinol4-16-00-00264C.I. Food Orange 31504 YellowBenzeneazoresorcinolBRN 0958430Ceres Orange GCeres Orange GNCerisol Yellow GR2,4-Dibenzeneazoresorcinol

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 5 records
DyeFragrance

Regulatory Lists

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

SOURCE EPA CPDat 3 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
Europe; Personal careEuropean CommissionCosIng
banned; Europe; Personal careEuropean CommissionCosIng

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
JR7B69ZW9BUNIIFDA UNII substance identifier--openFDA substances
JR7B69ZW9BUNIIFDA UNII substance identifier--openFDA substances
JR7B69ZW9BUNIIFDA UNII substance identifier--openFDA substances
JR7B69ZW9BUNIIFDA 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
Colorant
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for C.I. Solvent Orange 1?

C.I. Solvent Orange 1 has 4 NOAEL studies in the database. The lowest reported value is JR7B69ZW9B UNII. Source: openFDA substances.

What regulatory lists include C.I. Solvent Orange 1?

C.I. Solvent Orange 1 appears on 3 regulatory/inventory lists including IFRA Transparency, Europe; Personal care, banned; Europe; Personal care. Source: EPA CPDat.

Is C.I. Solvent Orange 1 used in cosmetics?

Yes, C.I. Solvent Orange 1 is also indexed as a cosmetic ingredient under the name CI 11920. 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. Solvent Orange 1 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 C.I. Solvent Orange 1 used outside industrial chemicals?

C.I. Solvent Orange 1 also appears in cosmetics databases.