About Propionic acid
Propionic acid analytical standard Synonym: Acid C3, Propanoic acid, Propanyl acid CAS Number 79-09-4 Linear Formula CH3CH2COOH Molecular Weight 74.08 Properties grade analytical standard vapor density 2.55 (vs air) vapor pressure 2.4 mmHg ( 20 C) assay 99.8% (GC) form neat autoignition temp. 955F shelf life limited shelf life, expiry date on the label expl. lim. 12.1% application(s) HPLC: suitable gas chromatography (GC): suitable refractive index n20/D 1.386(lit.) n20/D 1.386 bp 141C(lit.) mp 24-23C(lit.) solubility H2O: soluble density 0.993g/mLat 25C(lit.) format neat
FAQs of Propionic acid:
Q: What is the molecular formula of Propionic acid?
A: The molecular formula of Propionic acid is CH3CH2COOH.
Q: What is the melting point of Propionic acid?
A: The melting point of Propionic acid is -21 C.
Q: What is the boiling point of Propionic acid?
A: The boiling point of Propionic acid is 141.2 C.
Q: What is the density of Propionic acid?
A: The density of Propionic acid is 990 Kilogram per cubic meter (kg/m3).
Q: How is Propionic acid used in food products?
A: Propionic acid is used as a preservative and flavoring agent in packaged foods such as baked goods and cheese. Its salt forms, calcium propionate and sodium propionate, are used in bread and tortillas to prevent mold.