| Chemical Name: |
Trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate |
| Also Known As: |
Sodium citrate, Citrosodine |
| Molecular Formula: |
Na3C6H5O7·2H2O |
| Molecular Weight: |
249.10 |
| Characteristics: |
Colorless or white crystalline granules or crystalline powder, odorless, salty and cool taste, soluble in water, slightly soluble in ethanol, slightly deliquescent in humid air. The pH of a 5% aqueous solution is 7.6-8.6, loses crystal water at 150°C. |
| Quality Standards: |
GB6782-2009, BP93/98, E331 |
| Uses: |
Used as a buffer, chelating agent, nutritional supplement for buttermilk, emulsifier, flavoring agent, etc. in the food processing industry. In the pharmaceutical industry, it is used as an anticoagulant and as a preservative in syrup preparations. For example, it can moderate the sourness of citric acid in refreshing beverages, prevent dairy spoilage, act as a thickener for cheese and meat paste, a gelling agent for jelly and juice, and an emulsifier and stabilizer for cheese and ice cream. |
| Packaging: |
Lined with polyethylene plastic bag, outer composite plastic woven bag, net weight 25kg per bag. |
| Storage and Transportation: |
This product should be stored sealed in a dry and ventilated warehouse, protected from moisture and heat, stored separately from harmful and toxic substances. Handle with care during transportation and loading/unloading to prevent packaging damage. |
| Indicator Name |
GB6782-2009 |
BP93/98 |
E331 |
| Appearance |
-- |
Colorless or white crystal or crystalline |
| Content, % |
99.0-100.5 |
99.0-101.0 |
99.0-101.0 |
| Acidity/Alkalinity |
Complies with the specification |
Accord with the test |
Accord with the test |
| Sulfates, ≤% |
0.01 |
0.015 |
0.015 |
| Heavy Metals (as Pb), ≤% |
-- |
0.001 |
0.0005 |
| Oxalates, ≤% |
0.01 |
0.03 |
0.01 |
| Readily Carbonizable Substances |
1.0% |
Accord with the test |
Accord with the test |
| Chlorides, ≤% |
0.005 |
0.005 |
0.005 |
| Loss on Drying, % |
10.0-13.0 |
11.0-13.0 |
11.0-13.0 |
| pH Value (5% clear solution) |
-- |
-- |
7.5-9 |
| Arsenic, ≤ppm |
1 |
-- |
1 |
| Lead, ≤ppm |
2 |
-- |
1 |
| Mercury, ≤ppm |
-- |
-- |
1 |
| Clarity |
-- |
– |
Accord with the test |
| Transmittance |
96.0 |
|
|
| Iron Salts ≤mg/kg |
5 |
|
|
| Calcium Salts ≤mg/kg |
0.02 |
|
|
| Water Insoluble Matter |
Passes the dissolution test |
|
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