Moderate Cosmetic Ingredient NOAEL Data Sensitization Data

3-Nitro-P-Hydroxyethylaminophenol

3-Nitro-P-Hydroxyethylaminophenol (CAS 65235-31-6) is a cosmetic cosmetic ingredient functioning as Dye. Reported NOAEL =100 mg/kg/day in rat (SCCS_vision_codex); EU Regulation 1223/2009 status: prohibited, max 3.0%. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 65235-31-6 →

Auto-generated CPSR Part A draft with source citations
Function
Dye
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C8H10N2O4
MW
198.18 g/mol
PubChem CID
5488102
IUPAC Name
4-(2-hydroxyethylamino)-3-nitrophenol
InChIKey
UXKLYBMQAHYULT-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
EU Max Conc. 3.0%
US US Status permitted
US Notes Permitted under FDA coal-tar hair dye exemption (FD&C Act §601(a)); no specific concentration limit in US regulations

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 3-Nitro-P-Hydroxyethylaminophenol.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for 3-Nitro-P-Hydroxyethylaminophenol. 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 =100 mg/kg/day - rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg oral rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg/day - rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg oral rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg/day - rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg oral rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg/day - rat developmental toxicity SCCS_vision_codex
NOAEL =100 mg/kg oral rat developmental toxicity SCCS_vision_codex
NOAEL =200 mg/kg bw/day - rat NOAEL study SCCS_vision_codex
NOAEL =200 mg/kg bw/day - rat NOAEL study SCCS_vision_codex

Sensitization Profile

Contact sensitization data for 3-Nitro-P-Hydroxyethylaminophenol based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
dye
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
para-amino-group
Reaction Type
contact-dermatitis

Source: IVDK; NACDG; ESSCA

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: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products. Max: (b) 1.85 %.
BRIN Brazil/India Cosmetics
India: Restricted · max (b) 1.85 %
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Additional Ingredient Properties

2 property records from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "no", "allergen_class": "dye", "cross_reactivity_group": "para-amino-group", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "no", "source": "IVDK; NACDG; ESSCA"}
hair_dye
{"cas_number": "65235-31-6", "ingredient_class": "direct_dye", "chemical_class": "nitro", "color_result_on_hair": "Red-brown", "shade_range": "red", "primary_function": "direct_deposit", "requires_developer": "no", "deposit_only": "yes", "permanence": "semi_permanent", "wash_fastness_shampoos": "6-10", "light_fastness": "moderate", "oxidation_mechanism": "direct_absorption", "hair_penetration_dept…

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 3-Nitro-P-Hydroxyethylaminophenol.

Regulatory Flags

eu_children_restricted eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to 3-Nitro-P-Hydroxyethylaminophenol by CAS number or substance name.

Studies
20
Lowest NOAEL
100
Highest NOAEL
1000

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

SCCS_vision_codex

Chemical Function

Dye

Regulatory Lists

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

Australian Status

AICIS status: listed

Frequently Asked Questions

Is 3-Nitro-P-Hydroxyethylaminophenol safe in cosmetics?

3-Nitro-P-Hydroxyethylaminophenol has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted. 10 toxicological study endpoint(s) are available in our database.

Is 3-Nitro-P-Hydroxyethylaminophenol allowed in the EU?

3-Nitro-P-Hydroxyethylaminophenol EU regulatory status: prohibited. Maximum allowed concentration: 3.0%. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-Nitro-P-Hydroxyethylaminophenol do in cosmetics?

3-Nitro-P-Hydroxyethylaminophenol functions as: Dye. It is classified as a cosmetic ingredient in our database. CAS number: 65235-31-6.

What is the NOAEL for 3-Nitro-P-Hydroxyethylaminophenol?

The NOAEL (No Observed Adverse Effect Level) for 3-Nitro-P-Hydroxyethylaminophenol is =100 mg/kg/day based on a developmental toxicity study via oral route in rat. A total of 10 study endpoints are available. Source: SCCS_vision_codex.

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