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1.05104 Supelco

di-Potassium hydrogen phosphate

anhydrous for analysis EMSURE®

Synonym: Dipotassium hydrogen phosphate, Potassium phosphate dibasic, Dipotassium Phosphate, Dipotassium hydrogenphosphate, Dipotassium phosphate, Potassium phosphate dibasic, sec.-Potassium phosphate

  • CAS Number 7758-11-4

  • Linear Formula K2HPO4

  • Molecular Weight 174.18

  •  MDL number MFCD00011383

  •  EC Index Number 231-834-5

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Properties

Quality Level   300
potency   8000 mg/kg LD50, oral (Rat)
pH   9 (20 °C, 10 g/L in H2O)
solubility   1600 g/L
density   2.44 g/cm3 at 20 °C
bulk density   700‑1000 kg/m3
SMILES string   [K+].[K+].OP([O-])([O-])=O
InChI   1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key   ZPWVASYFFYYZEW-UHFFFAOYSA-L
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (alkalimetric): ≥ 99.0 %
pH-value (5 %; water): 8.7 - 9.3
Chloride (Cl): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.0010 %
Na (Sodium): ≤ 0.5 %
Loss on drying (130 °C): ≤ 1.0 %

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
Protocols & Articles

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