| Chemical Name: |
Mono-hydrous trisodium 2-hydroxy propane-1,2,3-tricarboxylate potassium citrate. |
| Molecular Formula: |
C6H5K3O7 |
| Molecular Weight: |
324.41 |
| Properties: |
White crystal or powder; odourless; 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℃) . |
| Quality standard: |
GB14889-94, BP93/98, E332 |
| Application: |
In food processing industry, it is used as buffer agent, 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: |
It is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg. |
| Storage and transport: |
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. |
|
Index item |
GB14889-94 |
BP93/98 |
E332 |
|
Appearance |
White, hygroscopic, granular powder or transparent crystals |
|
Identity test |
Positive tests for citrate and for potassium |
|
Appearance |
|
Clear and colourless |
|
|
Content(in dry basis),% |
≥99.0 |
99.0-101.0 |
≥99.0 |
|
Chloride ≤ppm |
-- |
50 |
-- |
|
Heavy metal(in lead)≤ppm |
10 |
10 |
5 |
|
Sodium,≤% |
– |
0.3 |
-- |
|
Oxalate,≤% |
-- |
0.03 |
0.01 |
|
Sulfate,≤% |
-- |
0.15 |
-- |
|
Acidity and alkalinity |
passed testing |
Passes test |
-- |
|
Readily carbonizable substance |
-- |
Not deeper than standard |
-- |
|
Loss on drying(180℃,4h) |
3.0-6.0 |
4.0-7.0 |
≤6% |
|
PH range(5% transparent solvent) |
-- |
|
7.5-9.0 |
|
Arsenic,≤ppm |
3 |
– |
1 |
|
Lead,≤ppm |
-- |
-- |
1 |
|
Mercury,≤ppm |
-- |
– |
1 |
|
|
