Synonyms: Acetic acid sodium salt
Molecular Formula: C2H3NaO2
Molecular Weight: 82.03
Linear Structural Formula: CH3COONa
MDL Number: MFCD00012459
Purity: >=99.0%
Melting Point: >300 C (dec.) (lit.)
Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Grade: ACS reagent; Redi-Dri™; anhydrous
Assay: ≥99.0%
Form: solid
Autoignition Temp.: 1112°F
Quality: free-flowing
Impurities: ≤0.01% insolubles
Loss: ≤1.0% loss on drying
pH: 7.0-9.2 (25°C, 5%)
pKa: 4.76 (acetic acid)
MP: >300 °C (dec.)(lit.)
Anion Traces: chloride (Cl-): ≤0.002%; phosphate (PO43-): ≤0.001%; sulfate (SO42-): ≤0.003%
Cation Traces: Ca: ≤0.005%; Fe: ≤0.001%; Mg: ≤0.002%; heavy metals (as Pb): ≤0.001%