Folic Acid
CAS: 59-30-3
Molecular formula: C19H19N7O6
Molecular weight: 441.40
Appearance: Yellow or Orange crystalline powde
Assay(Dry basis): 97.0% ~ 102.0%
Solubility: Slightly soluble in water, alcohol, Acetone, chloroform, ether. It readily dissolves in dilute solutions of alkali hydroxides and carbonates, and is soluble in hot 3N hydrochloric acid and in hot 2N sulfuric acid. Soluble in hydrochloric acid and in sulfuric acid, yielding very pale yellow solutions.
Identification: Ultraviolet Absorption A256/A365,2.8 ~ 3.0
Chromatographic Purity: NMT 2.0%
Water: NMT 8.5%
Residue on ignition: NMT 0.3%
Organic Volatile impurities: Chloroform NMT60μɡ/ɡ
: 1,4-Dioxane NMT380μɡ/ɡ
: Methylene Chloride NMT600μɡ/ɡ
: Trichloroethylene NMT80μɡ/ɡ
