Citric Acid BP
Citric acid is a weak organic acid which acts as a natural preservative in citrus fruits. It is mainly used as an acidifier, as a flavoring and as a chelating agent. Monohydrate is occurs as a white crystalline powder.
It is used as a flavoring agent and preservative in foods and beverages especially soft drinks. It can also be added to ice cream as an emulsifying agent, in household cleaners and pharmaceuticals to control pH, as a chelating agent to remove limescale from boilers and evaporators and in food coloring.
Chemical Name: Citric Acid
Mol. Formula: C6H8O7.H2O
Mol. Weight: 210.14 g/mol
CAS No.: 5949-29-1
|Character||It occurs as a white or almost white, crystalline powder, colorless crystals or granules, efflorescent.|
(a)Specified Test. The solution is strongly acidic.
(b)Infrared Absorption spectrophotometry
(c)Specified Test. A red color develops.
(d)Specified Test. A white precipitate is formed.
(e)It complies with water.
|Solubility||Very soluble in water, freely soluble in ethanol (96%)|
|Appearance of solution||The solution is clear and colorless or not more intensely colored than reference solution Y7, BY7 or GY7|
|Readily Carbonisable Substances||Specified Test.|
|Oxalic Acid||Not more than 360 ppm, calculated as anhydrous oxalic acid.|
|Sulfate||Not more than 150 ppm|
|Heavy Metals||Not more than 10 ppm|
|Water||Between 7.5% to 9.0%|
|Sulfated Ash||Not more than 0.1%|
|Assay||Not less than 99.5% and not more than 100.5% (anhydrous substances)|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.