China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > Malonic acid
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- Region :China/Tianjin
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Malonic acid 141-82-2
Category : Organic chemicals and Derivatives/Aroma compounds
CAS NO : 141-82-2 EC NO : 205-503-0 MF : C3H2O4 MW : 102.0467 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of Malonic acid ? Appearance: White crystalline powder or colorless small crystals, stable solid at room temperature ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; Melting point: 132–135 °C; boiling point: 140 °C; ============================================================================ Malonic acid is an important organic synthesis intermediate, mainly used in the following fields: Pharmaceutical industry: used for synthesizing barbiturates (such as luminal), vitamins B1, B2, B6, phenylbutazone, and amino acids. Spices and resins: ingredients used as fragrances, adhesives, and resin additives. Electroplating and metal treatment: used as electroplating polishing agent and aluminum surface treatment agent, it is environmentally friendly and pollution-free because it only generates water and carbon dioxide when heated and decomposed. Agriculture: It is an intermediate of the fungicide rice distemper and the plant growth regulator indole ester. Analytical Chemistry: Used as a complexing agent for the determination of beryllium, copper, and calibration of standard alkaline solutions. ============================================================================== synthetic route In the laboratory, succinic acid is usually synthesized from chloroacetic acid, and the main steps are as follows: Chloroacetic acid reacts with sodium hydroxide or sodium carbonate to produce sodium chloroacetate salt. Sodium chloroacetate reacts with potassium cyanide (or sodium cyanide) to produce alpha cyanoacetate. Sodium alpha cyanoacetate hydrolyzes under alkaline conditions to produce sodium malonate. After calcium salt substitution and acidification, succinic acid is obtained Uses : an important organic synthesis intermediate Synonyms : Propanedioic acid;Methane dicardonic acid;Methanadicarboxylic acid;Carboxyacetic acid;propanedioate;Malonic acid; Molecular Structure : 
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Malonic acid