What is the NOAEL for 2,2'-Methylenebis(4-aminophenol)?
2,2'-Methylenebis(4-aminophenol) has 4 NOAEL studies in the database. The lowest reported value is 433B39S481 UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
2,2'-Methylenebis(4-aminophenol)
Also known as: UNII-433B39S481, 2,2'-Methylenebis 4-aminophenol, Bis-(5-amino-2-hydroxyphenyl)-methan
CAS 63969-46-0
2,2'-Methylenebis(4-aminophenol) (CAS 63969-46-0) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.
View cosmetic safety profile for 2,2'-METHYLENEBIS-4-AMINOPHENOL →
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
9 fields
Name
2,2'-Methylenebis(4-aminophenol)
CAS Number
63969-46-0
DTXSID
DTXSID30213808
Molecular Formula
C13H14N2O2
InChI Key
HLIGKHFHQXRAOX-UHFFFAOYSA-N
Monoisotopic Mass
230.105528
Synonyms
UNII-433B39S4812,2'-Methylenebis 4-aminophenolBis-(5-amino-2-hydroxyphenyl)-methan
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
2 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 |
|---|---|---|---|---|---|
| 433B39S481 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 433B39S481 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 433B39S481 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 433B39S481 | 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
Frequently Asked Questions
Is 2,2'-Methylenebis(4-aminophenol) used in cosmetics?
Yes, 2,2'-Methylenebis(4-aminophenol) is also indexed as a cosmetic ingredient under the name 2,2'-METHYLENEBIS-4-AMINOPHENOL. 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 2,2'-Methylenebis(4-aminophenol) come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is 2,2'-Methylenebis(4-aminophenol) used outside industrial chemicals?
2,2'-Methylenebis(4-aminophenol) also appears in cosmetics databases.