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Ammonium phosphate dibasic

SIAL/09839 - BioUltra, ≥99.0% (T)

Synonym: Ammonium hydrogenphosphate; Diammonium hydrogenphosphate; di-Ammonium hydrogenphosphate (sec)

CAS Number: 7783-28-0
Empirical Formula (Hill Notation): H9N2O4P
Molecular Weight: 132.06
EC Number: 231-987-8
MDL Number: MFCD00010891
Linear Formula: (NH4)2HPO4
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-09839-50G 50 g
$43.90
1/EA
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45-09839-250G 250 g
$88.70
1/EA
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45-09839-1KG 1 kg
$176.00
1/EA
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λ 1 M in H2O
anion traces chloride (Cl-): ≤5 mg/kg
  nitrate (NO3-): ≤10 mg/kg
  sulfate (SO42-): ≤20 mg/kg
assay ≥99.0% (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
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
impurities insoluble matter, passes filter test
InChI 1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
InChI key MNNHAPBLZZVQHP-UHFFFAOYSA-N
mp 155 °C (dec.) (lit.)
pH 7.5-9.0 (25 °C, 1 M in H2O)
product line BioUltra
Quality Level 200 
SMILES string N.N.OP(O)(O)=O
solubility H2O: 1 M at 20 °C, clear, colorless
UV absorption λ: 260 nm Amax: 0.065
  λ: 280 nm Amax: 0.065
Application: Ammonium phosphate dibasic can be used to study x-ray crystallography, biological buffers, optimization reagents, proteomics and protein structural analysis. Ammonium phosphate dibasic has been used in a study for the development and validation of a stability-indicating HPLC method for determination of voriconazole and its related substances. Ammonium phosphate dibasic has also been used to crystallize the native enzyme cellobiohydrolase IB using the hanging-drop vapour-diffusion method.
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.0% (T)
mp 155 °C (dec.) (lit.)
UNSPSC 12161700

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