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96-26-4

Name 1,3-Dihydroxyacetone
CAS 96-26-4
EINECS(EC#) 202-494-5
Molecular Formula C3H6O3
MDL Number MFCD00004670
Molecular Weight 90.08
MOL File 96-26-4.mol

Chemical Properties

Appearance white powder
Melting point  75-80 °C
Boiling point  107.25°C (rough estimate)
density  1.1385 (rough estimate)
vapor pressure  0.002-0.33Pa at 20-50℃
FEMA  4033
refractive index  1.4540 (estimate)
storage temp.  Refrigerator (+4°C)
solubility  >112.4 mg/mL in DMSO; >5.09 mg/mL in EtOH with ultrasonic
form  powder
pka 12.45±0.10(Predicted)
color  White
Odor at 100.00 %. minty
Stability: Stable. Combustible. Hygroscopic.
Odor Type minty
Water Solubility  >250 g/L (20 ºC)
JECFA Number 1716
LogP -1.95 at 20℃
Surface tension 68.85mN/m at 1g/L and 20℃
Uses
dihydroxyacetone (DHA) is a self-tanning agent used in cosmetics designed to provide a tanned appearance without the need for sun exposure. It is also a uV protector and a color additive. As a self-tanning agent, it reacts with amino acids found on the skin’s epidermal layer. Its effects last only a few days as the color it provides fades with the natural shedding of the stained cells. Reportedly, it works best on slightly acidic skin. DHA, when combined with lawsone, becomes an FDA Category I (approved) uV protectant. In 1973, the FDA declared that DHA is safe and suitable for use in cosmetics or drugs that are applied to color the skin, and has exempted it from color additive certification.
CAS DataBase Reference 96-26-4(CAS DataBase Reference)
NIST Chemistry Reference 2-Propanone, 1,3-dihydroxy-(96-26-4)
EPA Substance Registry System 96-26-4(EPA Substance)

Safety Data

Safety Statements 
S24/25:Avoid contact with skin and eyes .
HS Code  29141900
Hazardous Substances Data 96-26-4(Hazardous Substances Data)
Toxicity
CHROMELIN ? DIHYDROXYACETONE ? 1,3DIHYDROXYACETONE ? 1,3-DIHYDROXYPROPANONE ? DIHYXAL ? NSC-24343 ? OTAN ? OXATONE ? SOLEAL ? 2PROPANONE, 1,3-DIHYDROXY- ? TRIULOSE ? VITICOLOR

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