Also known as: EINECS 204-616-2, p-Aminofenol, UNII-R7P8FRP05V, Activol, Aminophenol (+2 more)
P-AMINOPHENOL (CAS 123-30-8) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. NOAEL 20 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max III/272 - (EC) No 1197/2013; 1 safety opinion reviewed (CIR Safety Assessment). Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
P-AMINOPHENOL is classified GHS Danger (H302, H332, H317, H341, H373, H400, H410, H316) in the chemicals database but is restricted in EU cosmetics at max III/272 - (EC) No 1197/2013.
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Substance Compliance tool.
Toxicological Studies
10 study endpoints found for P-AMINOPHENOL. 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
10 mg/kg bw/day
oral
rat
Subchronic
COSMOS DB
NOAEL
=0.067 mg/kg bw/d
oral
rat
dermal absorption
SCCS Opinion
NOAEL
=0.067 mg/kg bw/d
oral
rat
dermal absorption
SCCS Opinion
NOAEL
=0.067 mg/kg bw/d
oral
rat
dermal absorption
SCCS Opinion
NOAEL
=0.067 mg/kg bw/d
oral
rat
dermal absorption
SCCS Opinion
NOAEL
=10 mg/kg
oral
rat
repeated dose toxicity
SCCS Opinion
NOAEL
=10 mg/kg bw/day
dermal
rabbit
NOAEL study
SCCS Opinion
NOAEL
=10 mg/kg bw/d
oral
rat
dermal absorption
SCCS Opinion
NOAEL
=10 mg/kg
oral
rat
repeated dose toxicity
SCCS Opinion
NOAEL
=10 mg/kg
oral
rat
repeated dose toxicity
SCCS Opinion
Safety Opinions
Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).
CIR Safety AssessmentNumber 3, 1988
Verdict: unknown
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for P-AMINOPHENOL across SCCS product categories, with measured dermal absorption where available.
Sensitization Profile
Contact sensitization data for P-AMINOPHENOL based on clinical patch test studies and IFRA standards.
Sensitization Rate
moderate
Allergen Class
dye
EU Allergen Listed
no
Patch Test Positive Rate
1.0%
Cross-reactivity Group
para-amino-group
Reaction Type
contact-dermatitis
Source: IVDK; NACDG; ESSCA
EU CLP Annex VI Harmonized Classification
Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.
Signal Word
Warning
Pictograms
Health HazardHarmful / IrritantEnvironmental Hazard
H410Very toxic to aquatic life with long lasting effects
Inserted via ATP: CLP00
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE; GROUP
SVHC Candidate
No
Hazard classification:Restricted (Annex XVII)
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.
KR Korea MFDS Annex 2 (Restricted)
Category: Restricted. Max: 산화염모제에 0.9%. 기타 제품에는 사용금지
SA Saudi SFDA (III - Restricted)
Product type: (a) Hair dye substance in oxidative hair dye products (b) Products intended for colouring eyelashes.
JPKR Japan/Korea Cosmetics
Korea (Restricted): max 0.9%
BRIN Brazil/India Cosmetics
India: Restricted
Additional Jurisdictional Restrictions (3)
Jurisdiction
Status
Max %
Product Type
CN
permitted_hair_dye
1
Oxidative hair dye products
IN
restricted
1.3
oxidative hair dye products
BR
permitted_hair_dye
-
Oxidative hair dye
Expanded Dermal Absorption Data
Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.
EPA Dryad Skin Absorption (physics-based)
MW:109.128
LogP:0.043623
Kp epidermis:0.12984 cm/h
% dose epidermis:0.94%
% dose stratum corneum:0.94%
% dose dermis:0.94%
Source: EPA Dryad Skin Absorption 2024
Aggregated DA Values (5 records across 5 sources)
Type
DA %
Method
Skin Model
SCCS Ref
measured
13.0%
-
-
SCCP/0000
measured
6.0%
-
-
SCCP/0000
measured
2.9%
-
-
SCCP/0000
measured
2.95%
-
-
SCCP/0000
measured
13.0%
-
-
SCCS/0078
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (3)
Carcinogen Classification
Not listed by IARC.
Source: Toxin and Toxin Target Database (T3DB)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange
Skin Eye Respiratory Irritation
... skin and eye irritant.
Source: Hazardous Substances Data Bank (HSDB)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (1)
EU CosIng Cosmetics Ingredient Database
Editorial summary
Preliminary editorial summary for P-AMINOPHENOL — not a computed safety verdict. See the sourced toxicological data above.
Europe; Personal care; restrictedEurope; Personal care - hair coloringEurope; Personal care - hair coloringEurope; Personal care - hair coloringEurope; Personal care - hair coloringdetected; Europe; Personal care - hair coloring - hair color - professionaldetected; Europe; Personal care - hair coloringdetected; Europe; Personal care - hair coloring - hair color - professionaldetected; Europe; Personal care - hair coloring - hair color - professionaldetected; Europe; Personal care - hair coloringdetected; Europe; Personal care - hair coloringdetected; Europe; Personal care - hair coloring - hair color - professionaldetected; Europe; Personal care - hair coloringdetected; Europe; Personal care - hair coloringdetected; Europe; Personal care - hair coloringCanada; pharmaceuticalDanish Environmental Protection Agency
Australian Status
AICIS status:listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCEChEMBL / DrugCentral / FAERSDB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
P-AMINOPHENOL 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. This ingredient has been reviewed by CIR Safety Assessment.
Is P-AMINOPHENOL allowed in the EU?
P-AMINOPHENOL EU regulatory status: restricted. Maximum allowed concentration: III/272 - (EC) No 1197/2013. This is based on EU Regulation 1223/2009 and its amendments.
What does P-AMINOPHENOL do in cosmetics?
P-AMINOPHENOL functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 123-30-8.
What is the NOAEL for P-AMINOPHENOL?
The NOAEL (No Observed Adverse Effect Level) for P-AMINOPHENOL is 10 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 10 study endpoints are available. Source: COSMOS DB.
Is P-AMINOPHENOL used outside cosmetics?
P-AMINOPHENOL also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does P-AMINOPHENOL have different safety status in cosmetics vs industrial chemicals?
P-AMINOPHENOL is classified GHS Danger (H302, H332, H317, H341, H373, H400, H410, H316) in the chemicals database but is restricted in EU cosmetics at max III/272 - (EC) No 1197/2013.
Compliance Tools
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