| 词条 | Sodium tartrate |
| 释义 |
| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 464404280 | Name = Sodium L-tartrate | Reference = [1] | ImageFile = Disodium-L-Tartrate.png | ImageSize = | ImageFile1 = Sodium tartrate ball-and-stick.png | ImageSize1 = | IUPACName = disodium (2R,3R)-2,3-dihydroxybutanedioate | OtherNames = Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335 |Section1={{Chembox Identifiers | Abbreviations = | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 12786 | UNII_Ref = {{fdacite|correct|FDA}} | UNII = QTO9JB4MDD | InChI = 1S/C4H6O6.2Na/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);;/q;2*+1/p-2 | InChIKey = HELHAJAZNSDZJO-NUQVWONBAO | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/C4H6O6.2Na/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);;/q;2*+1/p-2 | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = HELHAJAZNSDZJO-UHFFFAOYSA-L | InChIKey1 = HELHAJAZNSDZJO-UHFFFAOYSA-L | CASNo_Ref = {{cascite|correct|CAS}} | CASNo = 868-18-8 | CASNo_Comment = (anhydrous) | CASNo2_Ref = {{cascite|changed|??}} | CASNo2 = 6106-24-7 | CASNo2_Comment = (dihydrate) | EINECS = | PubChem = 13355 | SMILES = [Na+].[Na+].O=C([O-])C(O)C(O)C([O-])=O | RTECS = | MeSHName = | ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI = | KEGG_Ref = {{keggcite|correct|kegg}} | KEGG = }} |Section2={{Chembox Properties | Formula = C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate) | MolarMass = 194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate) | Appearance = white crystals | Density = 1.545 g/cm3 (dihydrate) | MeltingPt = | MeltingPt_notes = | BoilingPt = | BoilingPt_notes = | Solubility = soluble | SolubleOther = insoluble in ethanol | Solvent = | pKa = | pKb = }} |Section6={{Chembox Pharmacology | ATCCode_prefix = A06 | ATCCode_suffix = AD21 }} |Section7={{Chembox Hazards | ExternalSDS = | EUClass = | MainHazards = | NFPA-H = | NFPA-F = | NFPA-R = | NFPA-S = | RPhrases = | SPhrases = | RSPhrases = | FlashPt = | AutoignitionPt = | ExploLimits = | PEL = }} 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
References1. ^{{Citation| last = Lide| first = David R.| author-link =| author2-link =| publication-date =| year = 1998| title = Handbook of Chemistry and Physics| edition = 87| volume =| series =| location = Boca Raton, Florida| place =| publisher = CRC Press| id=| isbn = 978-0-8493-0594-8| doi =| oclc =| pages = 3–502| url =| accessdate =}} External links
4 : Tartrates|Organic sodium salts|Food additives|E-number additives |
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