2,4-Diaminophenoxyethanol Sulfate
AKA “JAROCOL DPE, 3-diamino-4-(2-hydroxyethoxy)benzene sulfate, UNII-671N06DARL, EINECS 274-713-2, Ethanol, sulfate (1:1), EC 274-713-2”
Synthetic
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Ingredient Facts
2,4-diaminophenoxyethanol sulfate
AKA: JAROCOL DPE, 3-diamino-4-(2-hydroxyethoxy)benzene sulfate, UNII-671N06DARL, EINECS 274-713-2, Sulfate (1:1), EC 274-713-2
Synthetic · Hair Dyeing · EWG: 3
Plant-Derived
Synthetic
Clean
A color-depositing ingredient that helps permanent hair dyes achieve vibrant, long-lasting color on the hair shaft.
Formula
C8H14N2O6S
Mol. Weight
266.27
CAS #
70643-20-8
Form
Powder
Plant-Derived
Synthetic. Synthesized from phenylenediamine derivatives and ethylene oxide-based precursors through chemical coupling reactions. Produced via sulfonation and salt formation to create the stable sulfate salt used in hair dye formulations.
Function
Hair Dyeing
Benefits
Colors Hair
Traditional Use
A sulfate salt of a synthetic hair dye intermediate developed for cosmetic colorant formulations. The sulfate salt form improves compatibility in rinse products and color-safe shampoos.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
No
Safety review of phenoxyethanol when used as a preservati...
B Dréno, T Zuberbier, C Gelmetti, G Gontijo, M Marinovich
Journal of the European Academy of Dermatology and Venereology : JEADV, 2019
Safety Assessment of Diethanolamine and Its Salts as Used...
Monice M Fiume, Bart Heldreth, Wilma F Bergfeld, Donald V Belsito, Ronald A Hill, Curtis D Klaassen + 6 more
International journal of toxicology, 2017
Safety Assessment of Diethanolamine and Its Salts as Used...
Monice M Fiume, Bart Heldreth, Wilma F Bergfeld, Donald V Belsito, Ronald A Hill, Curtis D Klaassen + 6 more
International journal of toxicology, 2017
Safety Assessment of Diethanolamine and Its Salts as Used...
Monice M Fiume, Bart Heldreth, Wilma F Bergfeld, Donald V Belsito, Ronald A Hill, Curtis D Klaassen + 6 more
International journal of toxicology, 2017
Phenoxyethanol Safety Assessment
Cosmetic Ingredient Review Expert Panel
International Journal of Toxicology, 2019
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR