potassium hydrogen phosphonite

• ChemBase ID: 158518
• Molecular Formular: H2KO2P
• Molecular Mass: 104.086741
• Monoisotopic Mass: 103.94294761
• SMILES: OP[O-].[K+]
• Canonical SMILES: [O-]PO.[K+]
• InChI: InChI=1S/K.H2O2P/c;1-3-2/h;1,3H/q+1;-1
• InChIKey: PKHVECPJUQTFRJ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium hydrogen phosphonite
• IUPAC Traditional name: potassium hydrogen phosphonite
• Synonyms: Potassium phosphinate; Potassium hypophosphite; 次磷酸钾; 次亚磷酸钾

Database IDs

• CAS Number: 7782-87-8
• EC Number: 231-967-9
• MDL Number: MFCD00054130
• PubChem SID: 162252654; 24845735
• PubChem CID: 23689363

CALCULATED PROPERTIES

• Acid pKa: 16.856924
• H Acceptors: 2
• H Donor: 1
• LogD (pH = 5.5): -1.0984
• LogD (pH = 7.4): -1.0984
• Log P: -1.0984
• Molar Refractivity: 10.0075 cm^3
• Polarizability: 4.611421 Å^3
• Polar Surface Area: 43.29 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• pH: 6-8 (20 °C, 5%)

Safety Information

• German water hazard class: 3
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥99%
• Grade: puriss.
• Impurities: ≤0.001% heavy metals (as Pb)
• Cation Traces: As: ≤4 mg/kg; Ca: ≤50 mg/kg; Fe: ≤10 mg/kg; Na: ≤2000 mg/kg
• Antion Traces: chloride (Cl-): ≤200 mg/kg; phosphate, phosphite (as PO43-): ≤5000 mg/kg; sulfate (SO42-): ≤200 mg/kg
• Loss on Drying: ≤1% loss on drying, 105 °C
• Quality: meets analytical specification of BPC63
• Linear Formula: KH2PO2