potassium sodium 2,3-dihydroxybutanedioate

• ChemBase ID: 103665
• Molecular Formular: C4H4KNaO6
• Molecular Mass: 210.15903
• Monoisotopic Mass: 209.95426381
• SMILES: [Na+].[K+].OC(C(O)C(=O)[O-])C(=O)[O-]
• Canonical SMILES: OC(C(C(=O)[O-])O)C(=O)[O-].[Na+].[K+]
• InChI: InChI=1S/C4H6O6.K.Na/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: LJCNRYVRMXRIQR-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium sodium 2,3-dihydroxybutanedioate
• IUPAC Traditional name: potassium sodium tartrate; potassium potassium ion tartrate
• Synonyms: E337; Potassium sodium tartrate; L(+)-Tartaric acid potassium Sodium salt; Rochelle salt; Seignette salt; POTASSIUM SODIUM TARTRATE, ACS; Fehling’s reagent II for sugars; Fehling’s reagent (B); Alkaline potassium sodium tartrate; Potassium sodium tartrate solution, alkaline; Fehling’s reagent II for sugars; 用于糖的费林试剂 B; Fehling’s reagent (B); 碱性酒石酸钾钠; 酒石酸钾钠溶液,碱性; Fehling 试剂 II，用于检测糖

Database IDs

• CAS Number: 6381-59-5; 304-59-6
• EC Number: 206-156-8
• MDL Number: MFCD00012467
• PubChem SID: 162102899
• PubChem CID: 9855836
• Chemspider ID: 8031536
• Unique Ingredient Identifier: QH257BPV3J
• Wikipedia Title: Potassium_sodium_tartrate

CALCULATED PROPERTIES

• Acid pKa: 2.719041
• H Acceptors: 6
• H Donor: 2
• LogD (pH = 5.5): -5.323427
• LogD (pH = 7.4): -7.890869
• Log P: -1.8287998
• Molar Refractivity: 47.8876 cm^3
• Polarizability: 10.630576 Å^3
• Polar Surface Area: 120.72 Å^2
• Rotatable Bonds: 3
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 630 g/L (20 °C); in water
• Melting Point: 70°C; 75 °C
• Boiling Point: 220 °C
• Density: 1.23-1.25 g/mL at 20 °C

Safety Information

• Storage Condition: Room Temperature (15-30°C)
• European Hazard Symbols: Corrosive (C)
• UN Number: 1824
• German water hazard class: 1; 3
• Hazard Class: 8
• Packing Group: 2
• Risk Statements: 35
• Safety Statements: 26-36/37/39-45
• GHS Pictograms: GHS05
• GHS Signal Word: Danger
• GHS Hazard statements: H314
• GHS Precautionary statements: P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1824 8/PG 2

Product Information

• Purity: 99.0-102.0%
• Grade: ACS; for determination of sugar; Reag. Ph. Eur.; REAGENT
• Suitability: in accordance for application

DETAILS

MP Biomedicals - 02152563

Tetrahydrate
ACS Reagent Grade
Purity: 99.0-102.0%

Sigma Aldrich - 46203

Application
Equal volumes of Fehling′s Reagents I and II are mixed immediately before use