71649

Sodium phosphate dibasic dodecahydrate

BioXtra, ≥99.0% (T)

• Synonym(s): sec-Sodium phosphate, Disodium hydrogen phosphate dodecahydrate, Disodium phosphate, di-Sodium hydrogen phosphate dodecahydrate
• Linear Formula: Na₂HPO₄ · 12H₂O
• CAS Number: 10039-32-4
• Molecular Weight: 358.14
• NACRES: NA.25
• PubChem Substance ID: 57652330
• UNSPSC Code: 12161700
• EC Number: 231-448-7
• MDL number: MFCD00149181

Properties

• product line: BioXtra
• Quality Segment: 200
• assay: ≥99.0% (T)
• form: crystals
• impurities: insoluble matter, passes filter test
• pH: 8.8-9.4 (25 °C, 0.1 M in H₂O)
• solubility: H₂O: 0.1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤5 mg/kg, fluoride (F^-): ≤5 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg, As: ≤0.5 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: 0.1 M in H₂O
• UV absorption: λ: 260 nm A_max: 0.01, λ: 280 nm A_max: 0.01
• application(s): histology
• SMILES string: O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2
• InChI key: DGLRDKLJZLEJCY-UHFFFAOYSA-L

Description

Application

Sodium phosphate dibasic dodecahydrate has been used in external calibration to quantify phytic acid in Great Northern beans (GNB) flour and extrudates.[1] It has also been used in the preparation of phosphate buffer.[2]

Other Notes

For enzymatic and histochemical studies.

Safety Information

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