Synonyms: Sodium propionate Purity Limit: ≥ 99% (Assay by Titration) CAS No.: 137-40-6 Molecular Formula: C3H5O2Na Molecular Weight: 96.06 MDL No.: MFCD00002759 Appearance: White powder Melting Point: 285-286°C Storage Temperature: Store at RT Warnings: Irritant! Hygroscopic!