CAS number： 24634-61-5;590-00-1
Molecular formula： C6H7KO2
molecular weight： 150.2169
Chemical structure：
Certificate of Analysis
| Product Name | Potassium Sorbate | |
| Expiry Date | 2 years | |
| Inspecification Standard | FCCIV | |
| Item | Specification | Result |
| DESCRIPTION | WHITE GRANULAR OR POWDER | WHITE GRANULAR |
| IDENTIFICATION | A) A 1:10 AQUEOUS SOLUTION RESPONDS TO THE FLAME TEST FOR POTASSSIUM. | PASS THE TEST |
| B) ADD A FEW DROP OF BROMINE TS TO 2ML OF A 1:10 SOLUTION. THE COLOR DISAPPEARS | ||
| ASSAY(ON THE DRIED | 98.0% - 101.0% | 100.6% |
| ACIDITY(AS SORBIC | PASSES TEST(ABOUT 1%) | PASSES TEST |
| ALKALINITY(AS K2CO3) | PASSES TEST(ABOUT 1%) | PASSES TEST |
| LEAD | ≤2MG/KG | ＜2MG/KG |
| LOSS ON DRYING | ≤1.0% | 0.3% |
