Complaint
1.Chemical name: Sodium citrate Dihydrate
2.Molecular formula:Na3C6H6O7.2H2O
3.Molecular weight: 294.10
4.Cas No:6132-04-3
5.Character: Colorless or white crystalline granular or crystalline powder, odorless, taste salty and cold,soluble in water, difficulty in ethanol, slightly deliquescence in moist air, Ph7.5-9.0 in 5% aqueous solution,when heated to 150 centigrade degree. It may lose crystal water.
6.Specification
Name of Index | Usp23 Index | Test Result |
Identification | Conformed | Conformed |
Content(Na3C6H5O7.2H2O),% | 99.0-101.0 | 99.52 |
Acidity and Alkalinity | Accord with the test | Accord with the test |
Sulphates ≤% | 0.01 | < 0.01 |
Heavy metals(As Pb), ≤% | 0.001 | < 0.001 |
Oxalate ≤% | 0.02 | < 0.02 |
Easily carbonize substances | Accord with the test | Accord with the test |
Chloride ≤% | 0.003 | < 0.003 |
Loss on drying % | 11.0-13.0 | 12.2 |
Solubility | Conformed | Conformed |
7.Uses: In food processing industry, it is used as buffer, chelate agent, nutrient additive, emulsifier, flavor for yoghurt. In pharmaceutical industry, it is used as anticoagulant and as preservative in syrup manufactured goods, buffer acidity acid in cold drink, prevent acid in dairy products, used as binder in cheese and minced meat, acid coagulant in jellies and jam, emulsifier and stabilizer, in cheese and ice cream.
