
2,4-Diaminophenol
On the basis of the data included in this report, the CIR Expert Panel concludes that 2,4-Diaminophenol and 2,4-Diaminophenol Dihydrochloride are safe for use in hair dyes at concentrations up to 0.2% (as the free base). 2009 RE-REVIEW - The Expert Panel noted that 2,4-Diaminophenol Dihydrochloride is now termed 2,4-Diaminophenol Hydrochloride. — Cosmetic Ingredient Review (CIR)
- IUPAC name
- 2,4-diaminophenol
- Molecular formula
- C6H8N2O
- Molecular weight
- 124.14 g/mol
- Exact mass
- 124.063662883 Da
- XLogP3
- 0.5
- Topological polar surface area
- 72.3 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 3
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
12 more reported names
External database identifiers
- ChEMBL:CHEMBL2924225
- EPA DTXSID:DTXSID7043748
- PubMed:17389084
- PubMed:12694214
- PubMed:11838434
- PubMed:11377081
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.