Sodium citrate
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Please help improve this article by expanding it. Further information might be found on the talk page. (November 2008) |
| Sodium citrate | |
|---|---|
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| Identifiers | |
| CAS number | [clarification needed] 68-04-2[clarification needed]  |
| PubChem | 6224 |
| Properties | |
| Molecular formula | C6H5Na3O7 |
| Molar mass | 258.06901 g/mol |
| Appearance | White crystals |
| Density | 1.7 g/cm3 |
| Melting point |
150 °C |
| Boiling point |
Decomposes at red heat |
| Solubility in water | 72 g/100 ml (25 °C) |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
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This article needs additional citations for verification. Please help improve this article by adding reliable references. Unsourced material may be challenged and removed. (July 2009) |
Sodium citrate usually refers to trisodium citrate, though it can refer to any of the sodium salts of citric acid:
- Monosodium citrate
- Disodium citrate
- Trisodium citrate
Contents |
[edit] Monosodium citrate
[edit] Disodium citrate
[edit] Trisodium citrate
Trisodium citrate has the chemical formula of Na3C6H5O7. It possesses a saline, mildly tart flavor. Trisodium citrate is chiefly used as a food additive, usually for flavor or as a preservative.
[edit] Uses
Trisodium citrate is employed as a flavoring agent in certain varieties of club soda.
Sodium citrate is an ingredient in Benedict's reagent.[1]
Sodium citrate is used by Canadian Blood Services as an anticoagulant during apheresis. The saline compound is added in small amounts to blood collected from a donor and is included in the blood returned at the end of each cycle to avoid premature clotting.
Sodium citrate is a product of the chemical reaction Alka Seltzer produces when it comes in contact with water.
Sodium citrate is used in the relief of cystitis in women, its effect is to make the urine less acidic and therefore provide pain relief. Its is not recommended for children or men[citation needed].
Sodium citrate oral solution is licensed in the UK for use before general anaesthesia for caesarean section to help prevent regurgitation and aspiration of gastric contents (Mendelson's syndrome). [2]
[edit] Compendial status
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This section requires expansion. |
[edit] References
- ^ Robert D. Simoni, Robert L. Hill, and Martha Vaughan (2002). "Benedict's Solution, a Reagent for Measuring Reducing Sugars: the Clinical Chemistry of Stanley R. Benedict". J. Biol. Chem. 277 (16): 10–11. doi:. PMID 11773074. http://www.jbc.org/cgi/content/full/277/16/e5.
- ^ http://bnf.org/bnf/bnf/57/6559.htm
