WebDichtheid: 1,0206 g/cm³ Smeltpunt: −40 °C Kookpunt: 230,5 °C Vlampunt (open vat) 138 °C Zelfontbrandings- temperatuur: 310 °C Dampdruk: 4 Pa Goed oplosbaar in ethanol; … WebApr 22, 2024 · Het zou niet gedaan moeten worden. In het geval van ethyleenglycol en propyleenglycol is het belangrijkste verschil de dichtheid van deze stoffen. In de praktijk is het moeilijk om de vorstbestendigheid van de vloeistof te meten en dit kan in het winterseizoen voor problemen zorgen. Hoe onderscheid je ethyleenglycol van …
Propylene Glycol in Skin Care: What It Is Paula
WebMar 2, 2024 · Additionally, it is used in industrial products like paint, antifreeze, artificial smoke and e-cigarettes ( 2, 6 ). Summary Propylene glycol is commonly used as a food … WebContact dermatitis was rarely observed in a human patch test study with 500 participants. J. D. Johansen, G. B. Jemec & S. C. Rastogi. 1995. Contact sensitization to dipropylene … birth death and marriage office
Propylene glycol - Wikipedia
Webpropylene glycol could generally be considered safe. In the absence of compelling data this safety threshold is decreased to 50 mg/kg/day in children less than 5 years old, and even to Propylene glycol (IUPAC name: propane-1,2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH. Containing two alcohol groups, it is classed as a diol. It is miscible with a broad range of solvents, including water, acetone, and … See more The compound is sometimes called (alpha) α-propylene glycol to distinguish it from the isomer propane-1,3-diol, known as (beta) β-propylene glycol. Propylene glycol is chiral. Commercial processes typically use the See more • As a solvent for many substances, both natural and synthetic. • As a humectant (E1520). • As a freezing point depressant for slurry ice. • In veterinary medicine as an oral treatment for hyperketonaemia in ruminants. See more Propylene glycol occurs naturally, probably as the result of anaerobic catabolism of sugars in the human gut. It is degraded by See more Industrial Industrially, propylene glycol is mainly produced from propylene oxide (for food-grade use). … See more Polymers Forty-five percent of propylene glycol produced is used as a chemical feedstock for the production of unsaturated polyester resins. In this regard, propylene glycol reacts with a mixture of unsaturated maleic anhydride See more When used in average quantities, propylene glycol has no measurable effect on development and/or reproduction on animals and probably does not adversely affect human … See more • Agency for Toxic Substances and Disease Registry • Alton E. Martin - Frank H. Murphy, DOW CHEMICAL COMPANY • Propylene glycol website • WebBook page for C3H8O2 See more WebPropylene Glycol meets USP testing specifications; CAS Number: 57-55-6; EC Number: 200-338-0; Synonyms: 1,2-Propanediol,Propylene glycol; Linear Formula: … birth death and marriage registry fiji