D-Erythrulose is a tetrose carbohydrate. It has one ketone group and so is part of the ketose family. It is used in some self-tanning cosmetics, in general, combined with dihydroxyacetone. Erythrulose/DHA reacts with the amino acids in the proteins of the first layers of skin.


Molar Weight120.1 g/mol
Boiling Point349.63 °C
Flash Point110 °C
FormsLiquid, Yellow, Pale

Uses and Applications

Key applications

  • Self tanning agents
  • Skin care products
  • Cosmetic products


  • Cosmetics

Synonyms: 1, 3, 4 - Trihydroxy - butan - 2 - one, D Erythrulose, DL Erythrulose, Erythrulose

Chemical Formula: C₄H₈O₄

CAS Number: 40031-31-0