Citric Acid Anhydrous Suppliers

Citric acid is a weak organic acid. It is a natural preservative, adding an acidic or sour taste is also used in foods and beverages. In biochemistry, it is important, because in the middle of the citric acid cycle, therefore, the metabolism occur in almost all living things. It can also be used as a cleaning agent on the environment harmless.
Citric Acid Anhydrous Suppliers
Citric acid in the presence of more than a wide variety of fruits and vegetables, most especially citrus fruits in the trace. Lemons and limes having a particularly high concentration of acid, it can constitute up to 8% of the fruit dry weight (approximately 47 g / L of juice). Oranges and grapefruit mol / L citric acid in citrus fruits range from 0.005 to 0.30 mol / L concentration of lemons and limes. Varieties, these values ​​are different varieties and under what circumstances, fruit growing.

Properties:
Molecular formula: C6H8O7
Molar mass: 192.124 g / mol (anhydrous) 210.14 g / mol (monohydrate)
Appearance: white crystalline solid
Density: 1.665 G/CM3
Melting point: 153 ° C
Boiling Point: 175 ° C decomposition
Solubility in water of 73 g/100 ml (20 ° C)
Solubility: THF, ethanol, methanol and anhydrous THF 1.80 m, 1.6 M ethanol, methanol, 3.08 m, monohydrate, potassium pyrophosphate, 1.52 M, ethanol 1.78 M in methanol 2.27 No.
Acidity: (PKA) pKa1 = 3.09pKa2 = 4.75 pKa3 = 6.41
Application and usage:
Food, beverage, flavoring agents, pigments, preservatives, detergents, cleaning agents, medicines, cosmetics, industrial and chemical processing.
Hot-dip galvanizing, welding, tinning flux: galvanized, welded, tinned, it is used in the flux.
OTHER ARTICLE: Citric Acid Monohydrate Suppliers