71507

Sodium phosphate monobasic monohydrate

BioXtra, for molecular biology, ≥99.5% (T)

• Synonym(s): Monosodium phosphate, Sodium dihydrogen phosphate monohydrate
• Linear Formula: NaH₂PO₄ · H₂O
• CAS Number: 10049-21-5
• Molecular Weight: 137.99
• EC Number: 231-449-2
• MDL number: MFCD00149208
• UNSPSC Code: 12161700
• PubChem Substance ID: 57652312
• NACRES: NA.25

Properties

• grade: for molecular biology
• product line: BioXtra
• assay: ≥99.5% (T)
• form: crystals
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected; ≤0.001% total nitrogen (N)
• pH: 4.0-4.5 (25 °C, 1 M in H₂O)
• solubility: H₂O: 1 M, clear, colorless
• anion traces: chloride (Cl^-): ≤5 mg/kg; sulfate (SO₄^2-): ≤30 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: 1 M in H₂O
• UV absorption: λ: 260 nm A_max: ≤0.03; λ: 280 nm A_max: ≤0.02
• SMILES string: [Na+].[H]O[H].OP(O)([O-])=O
• InChI: 1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
• InChI key: BBMHARZCALWXSL-UHFFFAOYSA-M

Description

Application

Sodium phosphate monobasic monohydrate has been used as a component of phosphate buffer to maintain the pH for the preparation of collagen gels and matrices.

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)