METHOD OF PREPARING BENZOIC ACID

technology of preparation of benzoic acid. SUBSTANCE: described is preparation of benzoic acid by hydrolysis of methyl ester thereof. Neutralization of the resulting sodium benzoate is carried out with aqueous hydrochloric acid solution. Crystallization is carried out from solution containing 7-13%...

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Bibliographische Detailangaben
Hauptverfasser:	MUDRYJ F.V, GLINSKIJ JU.D, KUZNETSOV A.A, KUTJANIN L.I, PESHKOV V.V
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	technology of preparation of benzoic acid. SUBSTANCE: described is preparation of benzoic acid by hydrolysis of methyl ester thereof. Neutralization of the resulting sodium benzoate is carried out with aqueous hydrochloric acid solution. Crystallization is carried out from solution containing 7-13% of benzoic acid and does not exceed 1 deg per minute during crystallization period. EFFECT: increased yield of the desired product. 4 ex