4-Methoxy-m-Phenylenediamine
molecular structure · PubChem
AKA: 2, 4-DIAMINOANISOLE, 615-05-4, Pelagol L, Pelagol DA, Pelagol Grey L, Furro L, 4-Diaminoanisol, M-Diaminoanisole, 1, 3-Benzenediamine
Allergen Warning
⚠️ PPD (Hair Dye)
Synthetic
Not Clean
On the basis of the information included in this report the CIR Expert Panel concludes that 4-Methoxy-m-Phenylenediamine, 4-Methoxy-m-Phenylenediamine Sulfate and 4-Methoxy-m-Phenylenediamine HCL are unsafe for use in cosmetic products.
Solubility Soluble in alcohol, hot ether; slightly soluble in DMSO
Formula
C7H10N2O
Mol. Weight
138.17
CAS #
615-05-4
Form
Liquid
State
2,4-diaminoanisole appears as colorless needles. Primarily used (along with salts such as 2,4-diaminoanisole sulfate) as a component of hair & fur dye formulations. (NIOSH, 2024)
Functions
Hair Dyeing
Traditional Use
A synthetic hair dye precursor developed in the early-to-mid 20th century. Created as part of the scientific advancement of safer, more effective permanent hair coloring formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR