234265

Sodium dihydrogencitrate

99%

• Synonym(s): Citric acid monosodium salt, Sodium citrate monobasic
• Linear Formula: HOC(COONa)(CH₂COOH)₂
• CAS Number: 18996-35-5
• Molecular Weight: 214.11
• Beilstein: 3920246
• EC Number: 242-734-6
• MDL number: MFCD00013067
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854034
• NACRES: NA.22

Properties

• Assay: 99%
• form: solid
• mp: 212 °C (lit.)
• solubility: water: soluble 53.5 g/L at 20 °C
• functional group: carboxylic acid; hydroxyl
• SMILES string: [Na+].OC(=O)CC(O)(CC([O-])=O)C(O)=O
• InChI: 1S/C6H8O7.Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+1/p-1
• InChI key: HWPKGOGLCKPRLZ-UHFFFAOYSA-M

Description

General description

Freezing temperature lowerings of aqueous solutions of sodium dihydrogencitrate has been investigated.

Application

Sodium dihydrogencitrate has been employed:

• as reductant and stabilizer during the synthesis of Fe₃O₄ Pt core/shell particles
• in characterization of carbon-based electrode materials as cathode in half-cell configuration
• in electrochemical reduction of proton at carbon fiber electrode in the presence and absence of Pt nanoparticles

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves