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Potassium citrate
Identification:
Chemical name: Potassium citrate
Synonyms: Tripotassium citrate; Potassium acid citrate; Porekal; Potassium citrate monohydrate; Kalium citrat
CAS No.: 866-84-2;7778-49-6
Molecular Formula: K3C6H5O7·H2O
E-Code: E332
Properties:
White crystal or powder; odorless; taste salty; slightly deliquescence; readily soluble in water or glycerine, almost insoluble in ethanol (Relative density 1.98, it will melt and decompose when heated to 230℃) .
Specifications:
Items | GB14889-94 | BP93/98 | E332 |
Appearance | White, hygroscopic, granular powder or transparent crystals | ||
Assay(on anhydrous basis),% | ≥99.0 | 99.0-101.0 | ≥99.0 |
Loss on drying(180℃,4h) | 3.0-6.0 | 4.0-7.0 | ≤6% |
pH(5% aqueous solution) | -- | 7.5-9.0 | |
Acidity or Alkalinity | By test | Passes test | -- |
Oxalates,≤% | -- | 0.03 | 0.01 |
Sulphates,≤% | -- | 0.15 | -- |
Chlorides,≤ppm | -- | 50 | -- |
Arsenic(As),≤ppm | 3 | – | 1 |
Heavy metal（As Pb）,≤ppm | 10 | 10 | 5 |
Application:
In food processing industry, it is used as acid regulator ,chelate agent, stabilizer, antibiotic oxidizer, emulsifier, flavor regluator, used in dairy product, jellies, jam, meat, tinned pastry. Used as emulsifier in cheese and used in citrus freshening. In pharmaceutical, it is used for curing hypokalimia, potassium depletion and alkalization of urine.
Packing Storage:
25kgs/plastic woven bag lined PE bag inside.
Kept in tightly-closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be separately from poisonous substances. Handled with care,so as to avoid damage to bags.