Sodium tartrate
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| Template:Longitem | C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate) |
| Molar mass | 194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate) |
| Appearance | white crystals |
| Density | 1.545 g/cm3 (dihydrate) |
| Solubility | insoluble in ethanol |
| Template:Longitem | A06AD21 (WHO) |
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Sodium tartrate (Na2C4H4O6) is a salt used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings. As a food additive, it is known by the E number E335.
It is made by the combination reaction of baking soda/Sodium Bicarbonate (NaHCO₃) with tartaric acid.
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.
See also
References
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External links
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