Moderate Cosmetic Ingredient NOAEL Data

HC Orange No. 2

Also known as: UNII-86WS98470U, 2-(4-((2-Aminoethyl)amino)-3-nitrophenoxy)ethanol, Ethanol, 2-(4-((2-aminoethyl)amino)-3-nitrophenoxy)-, HC Orange 2, Imexine FAB

INCI: HC ORANGE NO. 2

HC Orange No. 2 (CAS 85765-48-6) is a cosmetic cosmetic ingredient functioning as Hair dyeing — semi-permanent direct dye (orange). Reported NOAEL =0.016 mg/kg in rat (SCCS_vision_codex); EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 85765-48-6 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing — semi-permanent direct dye (orange)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C10H15N3O4
MW
241.24 g/mol
EC Number
416-410-1
PubChem CID
21909551
IUPAC Name
2-[4-(2-aminoethylamino)-3-nitrophenoxy]ethanol
InChIKey
WXGKXLXGYOYZMX-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Permitted under coal-tar hair dye exemption (FD&C Act §601(a))

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for HC Orange No. 2.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for HC Orange No. 2. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =0.016 mg/kg oral rat dermal absorption SCCS_vision_codex
NOAEL =0.016 mg/kg oral rat dermal absorption SCCS_vision_codex
NOAEL =0.016 mg/kg oral rat dermal absorption SCCS_vision_codex
NOAEL =0.016 mg/kg oral rat dermal absorption SCCS_vision_codex
NOAEL =20 mg/kg/day - - NOAEL study SCCS_vision_codex
NOAEL =20 mg/kg bw oral rat dermal absorption SCCS_vision_codex
NOAEL =20 mg/kg/day - - NOAEL study SCCS_vision_codex
NOAEL =20 mg/kg bw oral rat dermal absorption SCCS_vision_codex
NOAEL =20 mg/kg/day - - NOAEL study SCCS_vision_codex
NOAEL =20 mg/kg bw oral rat dermal absorption SCCS_vision_codex

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (III - Restricted)
Product type: Hair dye substance in non-oxidative hair dye products. Max: 0.01.
BRIN Brazil/India Cosmetics
India: Restricted · max 0.01
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Expanded Dermal Absorption Data

Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.

Aggregated DA Values (5 records across 5 sources)
Type DA % Method Skin Model SCCS Ref
measured 0.055% - - SCCP/0116
measured 98.4% - - SCCP/0116
measured 98.6% - - SCCP/0116
measured 98.5% - - SCCP/0116
measured 1.38% - - SCCP/0116

Additional Ingredient Properties

1 property record from structured ingredient metadata.

hair_dye
{"cas_number": "85765-48-6", "ingredient_class": "direct_dye", "chemical_class": "nitro", "molecular_weight_Da": "212.20", "color_result_on_hair": "Orange", "shade_range": "red", "primary_function": "direct_deposit", "requires_developer": "no", "lift_capability_levels": "0", "deposit_only": "yes", "permanence": "semi_permanent", "wash_fastness_shampoos": "6-12", "light_fastness": "moderate", "heat…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Restricted for Children (Cosmetics) EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for HC Orange No. 2.

Regulatory Flags

eu_children_restricted eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to HC Orange No. 2 by CAS number or substance name.

Studies
36
Lowest NOAEL
0.016
Highest NOAEL
500

Units vary across source rows: mg/kg/day, mg/kg, mg/kg bw

SCCS_vision_codex

Dermal Absorption

View details ->
Absorption % Method Vehicle
0.055% - -
98.4% - -
98.6% - -
98.5% - -
1.38% - -

Known Synonyms

UNII-86WS98470U 2-(4-((2-Aminoethyl)amino)-3-nitrophenoxy)ethanol Ethanol, 2-(4-((2-aminoethyl)amino)-3-nitrophenoxy)- HC Orange 2 Imexine FAB

Chemical Function

Dye

Regulatory Lists

Europe; Personal care; restricted Canada; Personal care; Substances in PCP - Canada (4/2014) children; Europe; Personal care children; Europe; Personal care

Frequently Asked Questions

Is HC Orange No. 2 safe in cosmetics?

HC Orange No. 2 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.

Is HC Orange No. 2 allowed in the EU?

HC Orange No. 2 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Orange No. 2 do in cosmetics?

HC Orange No. 2 functions as: Hair dyeing — semi-permanent direct dye (orange). It is classified as a cosmetic ingredient in our database. CAS number: 85765-48-6.

What is the NOAEL for HC Orange No. 2?

The NOAEL (No Observed Adverse Effect Level) for HC Orange No. 2 is =0.016 mg/kg based on a dermal absorption study via oral route in rat. A total of 10 study endpoints are available. Source: SCCS_vision_codex.

Is HC Orange No. 2 used outside cosmetics?

HC Orange No. 2 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does HC Orange No. 2 have different safety status in cosmetics vs industrial chemicals?

HC Orange No. 2 is classified GHS Danger (H317, H318) in the chemicals database but is restricted in EU cosmetics.

Is HC Orange No. 2 in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for HC Orange No. 2 in your formulation.