Potassium hydroacetate ( potassium diacetate ) is an acidic salt of potassium and acetic acid with the formula KH (CH 3 COO) 2 , colorless crystals that decompose in water. It is soluble in ethanol and acetone .
| Potassium hydroacetate | |
|---|---|
| Are common | |
| Systematic name | Potassium hydroacetate |
| Traditional names | Potassium Acetic Acid; potassium diacetate |
| Chem. formula | C₄H₇KO₄ |
| Rat formula | KH (CH 3 COO) 2 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 158.19 g / mol |
| Thermal properties | |
| T. melt. | 148 ° C |
| T. decomp. | 200 ° C |
| Classification | |
| Reg. CAS number | |
| PubChem | |
| Reg. EINECS number | |
| Smiles | |
| Inchi | |
| ChemSpider | |
Content
Synthesis
Obtained by dissolving potassium acetate in an excess of glacial acetic acid and slow evaporation.
Application
It is used as a preservative and acidity regulator in the food industry. As a dietary supplement , it is indicated by the index E261 (together with potassium acetate ) [1] . Included in the list of food additives approved for use in the Russian Federation [2] .
Notes
- ↑ SanPiN 2.3.2.560-96. Hygienic requirements for the quality and safety of food raw materials and food products. Archived September 21, 2016 on the Wayback Machine
- ↑ Sanitary and epidemiological rules and regulations SanPiN 2.3.2.1293-03 "Hygienic requirements for the use of food additives. Annex 1". - Moscow, 06/15/2003 as amended on 05/26/2008
Literature
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.