Sodium tartrate
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| Sodium tartrate | |
|---|---|
| IUPAC name | 2.3-dihydroxy sodium succinate |
| Other names | SAL tartar disodium tartrate sodium tartrate dihydrate disodium salt dihydrate butanedioic acid |
| Identifiers | |
| CAS number | [868-18-8] |
| Properties | |
| Molecular formula | Na2C4H4O6 |
| Molar mass | 194.067 |
| Appearance | white crystals |
| Melting point |
150°C |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Sodium tartrate (Na2C4H4O6) is used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings.
Because its crystal structure captures a very precise amount of water, it is also a common primary standard for Karl Fischer titration, a common technique to assay water content.
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