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Sodium pyrophosphate tetrabasic decahydrate

SIGMA/71515 - BioUltra, ≥99.5% (T)

Synonym: Pyrophosphate inorganic; Sodium diphosphate tetrabasic; Tetrasodium pyrophosphate

CAS Number: 13472-36-1
Empirical Formula (Hill Notation): Na4O7P2 · 10H2O
Molecular Weight: 446.06
EC Number: 231-767-1
MDL Number: MFCD00149200
Linear Formula: Na4P2O7 · 10H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-71515-250G 250 g
 $144.00
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λ 0.1 M in H2O
anion traces chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
assay ≥99.5% (T)
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
form crystals
impurities insoluble matter, passes filter test
InChI 1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4
InChI key VZWGHDYJGOMEKT-UHFFFAOYSA-J
pH 9.5-11.0 (25 °C, 0.1 M in H2O)
product line BioUltra
Quality Level 200 
SMILES string O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O
solubility H2O: 0.1 M at 20 °C, clear, colorless
UV absorption λ: 260 nm Amax: 0.010
  λ: 280 nm Amax: 0.010
Other Notes: In assays involving ATP-pyrophosphate exchange - tryptophanyl-tRNA synthesis; Enzyme assay in which the product pyrophosphate is measured, addition of carrier pyrophosphate insures quantitative precipitation
Purity ≥99.5% (T)
UNSPSC 12161700

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