Potassium bitartrate is an organic potassium salt of L-tartaric acid. It is a by-product of winemaking and occurs naturally in grapes, the major fruit used to produce wine. It has a role as an antimicrobial agent, a laxative, a food acidity regulator, a plant metabolite, a food anticaking agent, a food stabiliser, a food humectant and a raising agent. It contains a L-tartrate(1-).
| Physical Description | White crystalline or granulated powder |
| Color/Form | COLORLESS CRYSTALS OR WHITE, CRYSTALLINE POWDER |
| Density | 1.984 @ 18 °C |
| Solubility | Partially soluble |
| IUPAC Name | potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate |
| Molecular Formula | C4H5KO6 |
| Molecular Weight | 188.18 g/mol |
| CAS | 868-14-4 |
| SMILES | [C@@H]([C@H](C(=O)[O-])O)(C(=O)O)O.[K+] |
| InChIKey | KYKNRZGSIGMXFH-ZVGUSBNCSA-M |
| Catalog No | KC.1610236 |
| Pack sizes | 500GM |
