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Potassium hydrogen tartrate
Another Name: potassium bitartrate; acid potassium tartrate; 2,3-dihydroxy-(R-(R*,R*))-monopotassium succinate; L-potassium hydrogen tartrate
CAS No.: 868-14-4; 35-04-1; 6381-58-4
EINECS No.: 212-769-1
Molecular formula: KHC4H4O6
Molecular weight: 188.17
Structural formula: 
Ingredient content: Potassium hydrogen tartrate ≥ 99.5%, moisture ≤ 0.5%
More information:
Property: Colorless or white crystalline powder. It has a sweet and sour taste, slightly soluble in water, easily soluble in dilute acid, alkali solution and borax solution, insoluble in acetic acid and ethanol. The specific gravity is 1.984.
Specifications: Conforms to Japanese Food Additive Standard-V and FCC (IV)
Uses: As analytical reagents, buffers, reducing agents, etc., used in seasoning, food processing, electroplating, and pharmaceutical industries. It is called tartare powder by the food industry and is mainly used as a leavening agent.
Packing: 25kg composite paper bag lined with polyethylene bag.
Quality Index
| Index name | Japan Food Additive Standard-V | FCC (IV) |
|---|---|---|
| Content (dry basis) ≥ % | 99-101.0 | 99.0-101.0 |
| Clarity | qualified | - |
| Sulfate ≤ % | 0.02 | - |
| Ammonium salt | qualified | qualified |
| Heavy metal (calculated as Pb) ≤ % | 0.002 | 0.002 |
| Arsenic (As) ≤ % | 0.0004 | 0.0003 |
| Loss on drying ≤ % | 0.5 | - |
| Hydrochloric acid insoluble matter | - | qualified |
