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1,3-Dihydroxy Basic information Product Name: 1,3-Dihydroxy Synonyms: PROPANE-1,3-DIOL-2-ONE;1,3-dihydroxy-2-propanon;1,3-Dihydroxydimethyl ketone;1,3-Dihydroxypropanone;Aliphatic ketone;Chromelin;Dihyxal;Ketochromin CAS: 96-26-4 MF: C3H6O3 MW: 90.08 EINECS: 202-494-5 Product Categories: Pharmaceutical intermediates;Imidazoles;96-26-4;bc0001 Mol File: 96-26-4.mol   1,3-Dihydroxy Chemical Properties 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℃ refractive index 1.4540 (estimate) FEMA 4033 | DIHYDROXY storage temp. Store at +2°C to +8°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 Odor Type minty Water Solubility >250 g/L (20 ºC) JECFA Number 1716 Stability: Stable. Combustible. Hygroscopic. LogP -1.95 at 20℃ Surface tension 68.85mN/m at 1g/L and 20℃ CAS DataBase Reference 96-26-4(CAS DataBase Reference) NIST Chemistry Reference 2-Propanone, 1,3-dihydroxy-(96-26-4) EPA Substance Registry System 2-Propanone, 1,3-dihydroxy- (96-26-4)   Safety Information Safety Statements 24/25 HS Code 29141900 Hazardous Substances Data 96-26-4(Hazardous Substances Data) Toxicity CHROMELIN ? DIHYDROXY ? 1,3DIHYDROXY ? 1,3-DIHYDROXYPROPANONE ? DIHYXAL ? NSC-24343 ? OTAN ? OXATONE ? SOLEAL ? 2PROPANONE, 1,3-DIHYDROXY- ? TRIULOSE ? VITICOLOR MSDS Information     1,3-Dihydroxy Usage And Synthesis Chemical Properties white powder Chemical Properties Dihydroxy has a characteristic sweet, cooling aroma. Occurrence A derivative of naturally occurring starch Uses 1,3-Dihydroxy can be used as artificial tanning agent. Uses 1,3-Dihydroxy (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. Uses These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.