What is the NOAEL for 4-Aminophenol hydrochloride?
4-Aminophenol hydrochloride has 4 NOAEL studies in the database. The lowest reported value is IWL2N22RFY UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
4-Aminophenol hydrochloride
Also known as: C.I. Oxidation Base 6A, CI Oxidation Base 6A, Durafur Brown R, EINECS 200-122-6, Fouramine CP (+10 more)
CAS 51-78-5
4-Aminophenol hydrochloride (CAS 51-78-5) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.
Cross-Vertical Regulatory Divergence
4-Aminophenol hydrochloride is classified GHS CMR hazard (H302, H317, H332, H341, H373, H315, H319, H335) in the chemicals database but is allowed in EU cosmetics.
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
SOURCE
noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
0
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
21 fields
Name
4-Aminophenol hydrochloride
CAS Number
51-78-5
DTXSID
DTXSID6058760
Molecular Formula
C6H7NO.ClH
InChI Key
RVGOBWDGAVAVPJ-UHFFFAOYSA-N
Monoisotopic Mass
145.029442
Synonyms
C.I. Oxidation Base 6ACI Oxidation Base 6ADurafur Brown REINECS 200-122-6Fouramine CPFourrine PFourrine 83Furro PFutramine Pp-Hydroxyaniline hydrochloridePelagol CPPelagol Grey CP
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
1 records
Dye
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| IWL2N22RFY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| IWL2N22RFY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| IWL2N22RFY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| IWL2N22RFY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Hair Dyes
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
4-AMINOPHENOL HYDROCHLORIDE
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
0
Frequently Asked Questions
Is 4-Aminophenol hydrochloride used in cosmetics?
Yes, 4-Aminophenol hydrochloride is also indexed as a cosmetic ingredient under the name P-AMINOPHENOL HCL. 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 4-Aminophenol hydrochloride come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.
Does 4-Aminophenol hydrochloride have different safety status in cosmetics vs industrial chemicals?
4-Aminophenol hydrochloride is classified GHS CMR hazard (H302, H317, H332, H341, H373, H315, H319, H335) in the chemicals database but is allowed in EU cosmetics.
Is 4-Aminophenol hydrochloride used outside industrial chemicals?
4-Aminophenol hydrochloride also appears in cosmetics, pharmaceutical databases.