SODIUM ACETATE
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CAS number: 127-09-3, 6131-90-4 (trihydrate)
PubChem: 517045
ChemSpider: 29105
UNII: NVG71ZZ7P0
Chebi: 32954
CHEMBL1354
RTECS number: AJ4300010 (anhydrous) AJ4580000
ATC code: B05XA08
Refractive index (nD): 1,464
Structure: Crystal structure
Molecular formula: C2H3NaO2
Molar mass: 82.03 g mol-1
Appearance: White warming liquid
Odor: Vinegar
Density: 1.528 g / cm3 1.45 g / cm3 (trihydrate)
Melting point: 324 ° C (anhydrous) 58 ° C (trihydrate)
Boiling point: 881,4 ° C (anhydrous) 122 ° C (trihydrate) (decomposes)
Solubility in water: 36.2 g / 100 ml (0 ° C) 46.4 g / 100 ml (20 ° C) 139 g / 100 ml (60 ° C)
General Information
The sodium acetate abbreviated formulation of the anhydrous anhydrous formulation of chemical formula C2H3NaO2 is NaOAc and the sodium salt of acetic acid, which is also water soluble, also known as sodium ethonate. This colorless salt has a wide range of uses and ease of use, thanks to its unique properties.
Production and Reactions
Industrially, this substance, glacial acetic acid and sodium hydroxide are prepared.
CH3COOH NaOH? CH3COONa H2O
It can be obtained exothermically by the interaction of acetic acid with sodium carbonate or carbonate.
Usage areas
food
It is used in food sector as an additive with E 262 code.
Chemistry
sodium acetate is able to move a buffer by keeping the solution at a constant pH when added.
Skin
It is used for tanning in leather industry.
Textile
It is used as a photoresist in aniline dyes used in textile and provides neutralization.
Rubber
It is used as an aid in the production of synthetic rubber to prevent chlorofine vulcanization.
Other
It is used as an intermediate in the production of organic compounds such as dyes, pigments, drugs and cinnamic acid.