NOAEL Data Cosmetic Ingredient

C.I. Disperse Brown 1

Also known as: 2,2'-((3-Chloro-4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)amino)bisethanol, Ethanol, 2,2'-((3-chloro-4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)imino)bis-, 2,2'-((3-chloro-4-(2-(2,6-dichloro-4-nitrophenyl)diazenyl)phenyl)imino)bis-, EINECS 245-604-7, Disperse Brown 1

CAS 23355-64-8

C.I. Disperse Brown 1 (CAS 23355-64-8) 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 Disperse Brown 1 →

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 11 fields
Name
C.I. Disperse Brown 1
CAS Number
23355-64-8
DTXSID
DTXSID9066883
Molecular Formula
C16H15Cl3N4O4
InChI Key
HXXLWTPFYWMBSC-UHFFFAOYSA-N
Monoisotopic Mass
432.015888
Synonyms
2,2'-((3-Chloro-4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)amino)bisethanolEthanol, 2,2'-((3-chloro-4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)imino)bis-2,2'-((3-chloro-4-(2-(2,6-dichloro-4-nitrophenyl)diazenyl)phenyl)imino)bis-EINECS 245-604-7Disperse Brown 1

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 1 records
ListKeywordSource
banned; Europe; Personal careEuropean CommissionCosIng

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
326A2F5H4SUNIIFDA UNII substance identifier--openFDA substances
326A2F5H4SUNIIFDA UNII substance identifier--openFDA substances
326A2F5H4SUNIIFDA UNII substance identifier--openFDA substances
326A2F5H4SUNIIFDA 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. Disperse Brown 1?

C.I. Disperse Brown 1 has 4 NOAEL studies in the database. The lowest reported value is 326A2F5H4S UNII. Source: openFDA substances.

What regulatory lists include C.I. Disperse Brown 1?

C.I. Disperse Brown 1 appears on 1 regulatory/inventory list including banned; Europe; Personal care. Source: EPA CPDat.

Is C.I. Disperse Brown 1 used in cosmetics?

Yes, C.I. Disperse Brown 1 is also indexed as a cosmetic ingredient under the name Disperse Brown 1. 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. Disperse Brown 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.

Does C.I. Disperse Brown 1 have different safety status in cosmetics vs industrial chemicals?

C.I. Disperse Brown 1 is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H317, H318).

Is C.I. Disperse Brown 1 used outside industrial chemicals?

C.I. Disperse Brown 1 also appears in cosmetics databases.