Cosmetic Ingredient

HC Brown 1

Also known as: Benzenaminium, 3-​[2-​[4-​[2-​[diamino(2-​phenyldiazenyl)​phenyl]​diazenyl]​-​1-​naphthalenyl]​diazenyl]​-​N,​N,​N-​trimethyl-​, chloride (1:1)

CAS 83803-98-9

HC Brown 1 (CAS 83803-98-9) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS.

View cosmetic safety profile for HC Brown No. 1 →

SOURCE noael studies public
NOAEL studies
0
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 7 fields
Name
HC Brown 1
CAS Number
83803-98-9
DTXSID
DTXSID40879797
Molecular Formula
C31H30N9.ClH
InChI Key
NBGWWMTXJHLJIM-UHFFFAOYSA-M
Monoisotopic Mass
564.239095
Synonyms
Benzenaminium, 3-​[2-​[4-​[2-​[diamino(2-​phenyldiazenyl)​phenyl]​diazenyl]​-​1-​naphthalenyl]​diazenyl]​-​N,​N,​N-​trimethyl-​, chloride (1:1)

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

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 regulatory lists include HC Brown 1?

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

Is HC Brown 1 used in cosmetics?

Yes, HC Brown 1 is also indexed as a cosmetic ingredient under the name HC Brown No. 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 HC Brown 1 come from?

Safety data is sourced from 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 HC Brown 1 used outside industrial chemicals?

HC Brown 1 also appears in cosmetics databases.