1-water citric acid
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Description
Chemical formula: H3C6H5O7.H2O
Synonym: Citric acid monohydrate, 2 - Oksipropan - 1,2,3 - trikarbonovaya kislota, 2 - hydroxy - 1,2,3 - propane tricarboxylic acid
International name: CITRIC ACID
CAS No: 5949 - 29 - 1 (Monohydrate)
Qualification: Imp. Pishch.
Appearance: crystals of white color
Warranty period of storage: 2 years
Packing: bags, 25 kg
Storage conditions: to store in the dry, well aired room Citric acid (C6H8O7) — crystal substance of white color, temperature of melting of 153 °C, is well soluble in water, is soluble in ethyl alcohol, is slightly soluble in diethyl ether. Weak tribasic acid. Citric acid - important metabolite in live organisms, participates in cycle of tricarboxylic acids and glioksilatny cycle.
Receiving
The main industrial way of receiving citric acid - fermentation of sugar, treacle or molasses strains of fungi of Aspergillus niger.
Synthesis of citric acid on reaction of ketene with anhydride of oxalacetic acid is possible.
Application
Citric acid monohydrate is widely applied
• in the food industry as the acidity regulator, antioxidant and preservative (E330); for protection of fats from damage, as food additive in confectionery production, in production of juice, canned food, etc.
• as component of buffer solutions;
• in pharmaceutical industry as component of many pharmaceuticals (citrate Na - anticoagulant);
• as reagent for removal of rust and scale from metallic surfaces, when electroetching copper, in the tanning solutions in sittsepechataniye, by production of diazo papers;
• for receiving the citrates applied as plasticizers, etc.
Synonym: Citric acid monohydrate, 2 - Oksipropan - 1,2,3 - trikarbonovaya kislota, 2 - hydroxy - 1,2,3 - propane tricarboxylic acid
International name: CITRIC ACID
CAS No: 5949 - 29 - 1 (Monohydrate)
Qualification: Imp. Pishch.
Appearance: crystals of white color
Warranty period of storage: 2 years
Packing: bags, 25 kg
Storage conditions: to store in the dry, well aired room Citric acid (C6H8O7) — crystal substance of white color, temperature of melting of 153 °C, is well soluble in water, is soluble in ethyl alcohol, is slightly soluble in diethyl ether. Weak tribasic acid. Citric acid - important metabolite in live organisms, participates in cycle of tricarboxylic acids and glioksilatny cycle.
Receiving
The main industrial way of receiving citric acid - fermentation of sugar, treacle or molasses strains of fungi of Aspergillus niger.
Synthesis of citric acid on reaction of ketene with anhydride of oxalacetic acid is possible.
Application
Citric acid monohydrate is widely applied
• in the food industry as the acidity regulator, antioxidant and preservative (E330); for protection of fats from damage, as food additive in confectionery production, in production of juice, canned food, etc.
• as component of buffer solutions;
• in pharmaceutical industry as component of many pharmaceuticals (citrate Na - anticoagulant);
• as reagent for removal of rust and scale from metallic surfaces, when electroetching copper, in the tanning solutions in sittsepechataniye, by production of diazo papers;
• for receiving the citrates applied as plasticizers, etc.
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1-water citric acid
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