1,3-Dihydroxyacetone
1,3-Dihydroxyacetone
  • CAS No.:96-26-4
Other grades of this product :

Melting point 75-80 °C
Boiling point 107.25°C (rough estimate)
density 1.1385 (rough estimate)
FEMA 4033 | DIHYDROXYACETONE
refractive index 1.4540 (estimate)
storage temp. Store at +2°C to +8°C.
pka12.45±0.10(Predicted)
form powder
color White
Water Solubility >250 g/L (20 ºC)
JECFA Number1716
Stability:Stable. Combustible. Hygroscopic.
CAS DataBase Reference96-26-4(CAS DataBase Reference)
NIST Chemistry Reference2-Propanone, 1,3-dihydroxy-(96-26-4)
EPA Substance Registry System2-Propanone, 1,3-dihydroxy- (96-26-4)
Dihydroxyacetone (1,3-Dihydroxyacetone) or 1,3-Dihydroxyacetone (DHA), for short, is a polyhydroxyketose, the simplest ketose, which is easily soluble in water, ethanol, ether, acetone and other organic solvents, Melting point 75-80 ℃, water solubility > 250G / L (20 ℃), with sweet taste, stable at pH 6.0.

Dihydroxyacetone is mainly used as the formulation material of cosmetics, especially as sunscreen, which has special effect, can prevent excessive evaporation of skin moisture, and play the role of moisturizing, sunscreen and UV radiation protection. In addition, the ketone functional group in DHA can react with the amino acid and amino group of skin keratin to form a brown polymer, which can make people's skin produce an artificial brown. Therefore, DHA can also be used as a sun skin simulator to get the same brown or tan skin that looks like the result of long-term exposure to the sun, making it looks beautiful.


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