Metatartaric acid
Idealized chemical structure of metartaric acid | |
| Names | |
|---|---|
| Other names
E353 | |
| Identifiers | |
| |
| ChemSpider | |
| ECHA InfoCard | 100.116.846 |
| EC Number |
|
| E number | E353 (antioxidants, ...) |
PubChem CID |
|
| Properties | |
| (C4H4O5)n | |
| Molar mass | Variable |
| Appearance | Off-white solid |
| Freely soluble | |
| Solubility in ethanol | Soluble |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Metatartaric acid is a food additive. Chemically, it is a polymeric lactone of variable composition and different molecular weights obtained through a dehydration reaction by heating tartaric acid.