Disodium citrate
- CAS NO.：144-33-2
- Empirical Formula: C6H6Na2O7
- Molecular Weight: 236.09
- MDL number: MFCD00036367
- EINECS: 205-623-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-09-05 12:02:44
What is Disodium citrate?
Description
Disodium citrate, or disodium hydrogen citrate, is a sodium acid salt of citric acid (sodium citrate) with the chemical formula Na2HC6H5O7, or Na2H(C3H5O(COO)3). It is used as an antioxidant in food as well as to improve the effects of other antioxidants. It is also used as an acidity regulator and sequestrant.
Typical products include gelatin, jam, sweets, ice cream, carbonated beverages, milk powder, wine, and processed cheeses.
Chemical properties
A white powder.
The Uses of Disodium citrate
Anticoagulant.
Flammability and Explosibility
Not classified
Clinical Use
Disodium citrate may be used in patients to alleviate discomfort from urinary tract infections.
Safety Profile
Poison by intravenous route. Moderately toxic by intraperitoneal and subcutaneous routes. When heated to decomposition it emits toxic fumes of Na2O.
Properties of Disodium citrate
| Melting point: | 240°C |
| Density | 1.858[at 20℃] |
| vapor pressure | 0Pa at 20℃ |
| solubility | Freely soluble in water; practically insoluble in ethanol (96%). |
| form | Solid |
| color | White crystalline |
| Odor | Odorless |
| PH Range | 4.5 - 5.5 at 263.1 g/l at 25 °C |
| PH | 5.48(1 mM solution);5.28(10 mM solution);4.88(100 mM solution);3.72(1000 mM solution) |
| Water Solubility | 263.1 g/l at 20 °C |
| Merck | 2326 |
| CAS DataBase Reference | 144-33-2(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, disodium salt (144-33-2) |
Safety information for Disodium citrate
Computed Descriptors for Disodium citrate
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