Sodium tartrate
Names | |
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IUPAC name disodium (2R,3R)-2,3-dihydroxybutanedioate | |
Other names Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium l-(+)-tartrate; E335 | |
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Properties | |
Chemical formula | 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 in water | soluble |
Solubility | insoluble in ethanol |
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A06AD21 (WHO) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references |
Chemical compound
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.
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
- ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 3–502, ISBN 978-0-8493-0594-8
External links
- Properties of Sodium Tartrate at linanwindow
- Properties of Sodium Tartrate at JTBaker
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