71497

Sodium citrate monobasic

BioXtra, anhydrous, ≥99.5% (T)

• Synonym(s): Citric acid monosodium salt, Sodium dihydrogen citrate
• Linear Formula: HOC(COONa)(CH₂COOH)₂
• CAS Number: 18996-35-5
• Molecular Weight: 214.11
• Beilstein/REAXYS Number: 3920246
• EC Number: 242-734-6
• MDL number: MFCD00013067
• UNSPSC Code: 12161700
• PubChem Substance ID: 57652306
• NACRES: NA.25

Properties

• product line: BioXtra
• assay: ≥99.5% (T)
• form: crystals
• impurities: insoluble matter, passes filter test; ≤0.2% water
• pH: 3.5-4.0 (25 °C, 0.25 M in H₂O)
• solubility: H₂O: 0.25 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• λ: 0.25 M in H₂O
• 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

Application

Sodium citrate monobasic has been used-

• as a component of Beltsville thawing solution (BTS) for semen dilution
• for the formulation of isonitrogenous diets to study the effects of sodium citrate in red hybrid tilapia
• for the preparation of SSC (saline sodium citrate) made for post-hybridization wash

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)