Disodium citrate
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Disodium citrate
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CAS No:
144-33-2
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Formula:
C6H8O7.2Na
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Chemical Name:
Disodium citrate
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Synonyms:
1,2,3-Propanetricarboxylic acid,2-hydroxy-,sodium salt (1:2);Citric acid,disodium salt;1,2,3-Propanetricarboxylic acid,2-hydroxy-,disodium salt;Sodium citrate (Na2O7C6H6);Alkacitron;Citralka;Disodium citrate;Disodium hydrogen citrate;Disodium monohydrogen citrate;Monobasic sodium citrate;1160371-84-5;1189465-07-3
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CAS No:
Description
A white powder.Disodium citrate, or disodium hydrogen citrate, is a sodium acid salt of citric acid (sodium citrate) with the chemical formula Na2HC6H5O7, or Na2H(C3H5O(COO)3). It is used as an antioxidant in food as well as to improve the effects of other antioxidants. It is also used as an acidity regulator and sequestrant.
Characteristics
137.79000
Crystalline white powder or colourless crystals
240°C
309.6ºC at 760 mmHg
155.2ºC
Freely soluble in water; practically insoluble in ethanol (96%).H2O: 263.1 g/l at 20 °C
LD50 in mice, rats (mmol/kg): 7.5, 7.3 i.p. (Gruber, Halbeisen)
Between 4,9 and 5,2 (1 % aqueous solution)
Disodium citrate Use and Manufacturing
From sodium carbonate and calculated amount of citric acid.
Anticoagulant.Disodium citrate may be used in patients to alleviate discomfort from urinary tract infections.
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