Sodium tartrate
From Infogalactic: the planetary knowledge core
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Names | |
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IUPAC name
disodium (2R,3R)-2,3-dihydroxybutanedioate
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Other names
Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335
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Identifiers | |
868-18-8 (anhydrous) 6106-24-7 (dihydrate) |
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ChemSpider | 12786 |
Jmol 3D model | Interactive image |
PubChem | 13355 |
UNII | QTO9JB4MDD |
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Properties | |
C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate) |
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Molar mass | 194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate) |
Appearance | white crystals |
Density | 1.545 g/cm3 (dihydrate) |
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Solubility | insoluble in ethanol |
Pharmacology | |
ATC code | A06 |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references | |
Sodium tartrate (Na2C4H4O6) is 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
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External links
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- Tartrates
- Sodium compounds
- Food additives
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