Potassium Citrate BP
Abstract:
Potassium citrate (also known as tripotassium citrate) is a potassium salt of citric acid with the molecular formula K3C6H5O7. It is a white, hygroscopic crystalline powder. It is odorless with a saline taste.
Use/Application:
As a food additive, potassium citrate is used to regulate acidity and is known as E number E332.
It is also used in many soft drinks as a buffering agent.
Identity
Chemical Name: Potassium Citrate
Mol. Formula: C6H5K3O7.H2O
Mol. Weight: 324.4 g/mol
CAS no.: 6100-05-6
Specifications:
| Test | Specification |
| Characters | It occurs as a white or almost white, granular powder or transparent crystals, hygroscopic. |
| Identification
Test (A) Test (B) |
(a)It gives the reaction of citrates (b)It gives the reaction of potassium |
| Solubility | Very soluble in water, practically insoluble in ethanol (96%) |
| Appearance of solution | Solution is clear and colorless. |
| Acidity or alkalinity | Specified test. |
| Readily carbonisable substances | Specified test. |
| Chlorides | Not more than 50 ppm |
| Oxalates | Not more than 300 ppm |
| Sulfates | Not more than 150 ppm |
| Heavy metals | Not more than 10 ppm |
| Sodium | Not more than 0.3% |
| Water | 4.0% to 7.0% |
| Assay | Not less than 99.0% and not more than 100.5% calculated on anhydrous basis |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.
