Chemical Properties of Methyl Acetate (MeOAc)

Common Name: Methyl Acetate / MeOAc
IUPAC Name: Methyl ethanoate
Chemical Formula: C₃H₆O₂ or CH₃COOCH₃
CAS Number: 79-20-9
Molecular Weight: 74.08 g/mol
Appearance: Colorless, clear liquid with a pleasant, fruity odor (similar to some nail polish removers or glues).
Appearance: Clear, colorless liquid
Odor: Sweet, ester-like odor
Density: ~0.93 g/cm³ at 20°C
Boiling Point: 56.9°C (134.4°F)
Melting Point: -98°C (-144°F)
Flash Point: -10°C (14°F) (closed cup)
Solubility in Water: ~24 g/L at 20°C
CAS 79-20-9 Methyl Acetate Uses in Food
Methyl acetate (CAS 79-20-9) is primarily used in the food industry as a flavouring agent due to its sweet, fruity aroma and taste. It is also used as a solvent in the extraction of flavours, fragrances and essential oils.
- Flavoring Agent: used in drinks to make fruity, sweet, rum-like or cognac flavours. Found in apples, bananas and grapes.
- Extraction Solvent: used to extract flavour, colour and essential oils from natural sources.
- Processing Aid: used when fast-evaporating, safe solvents are needed in food and drink manufacturing.
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