60359

Kaliumphthalat, einbasisch

BioUltra, ≥99.5% (T)

• Synonym(e): KHP, Kaliumbiphthalat, Kaliumhydrogenphthalat, Phthalsäure Kaliumsalz
• Lineare Formel: HOOCC₆H₄COOK
• CAS-Nummer: 877-24-7
• Molekulargewicht: 204.22
• UNSPSC Code: 12161700
• NACRES: NA.21
• PubChem Substance ID: 57651755
• EC Number: 212-889-4
• Beilstein/REAXYS Number: 3637128
• MDL number: MFCD00013070

Eigenschaften

• product line: BioUltra
• Quality Segment: 200
• assay: ≥99.5% (T)
• form: powder or crystals
• impurities: insoluble matter, passes filter test
• loss: ≤0.05% loss on drying, 110 °C
• pH: 3.5-5.0 (25 °C, 0.1 M in H₂O)
• mp: 295-300 °C (dec.) (lit.)
• solubility: H₂O: 0.1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤20 mg/kg, sulfate (SO₄^2-): ≤50 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, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
• absorption: cut-off at 309 nm in H₂O at 0.1 M
• SMILES string: [K+].OC(=O)c1ccccc1C([O-])=O
• InChI: 1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
• InChI key: IWZKICVEHNUQTL-UHFFFAOYSA-M

Beschreibung

Application

Potassium hydrogen phthalate may be used as a buffering agent or as a standard for total organic carbon (TOC) calibration and may be used to asses the oxidating activity of CNTs/TiO(2) photoanodes. Potassium hydrogen phthalate solution may be used as a liquid filter to reduce the effects of Rayleigh scattering on collected Raman spectra.

Sicherheitshinweise

• flash_point_f: 387.1 °F - Pensky-Martens closed cup
• flash_point_c: 197.3 °C - Pensky-Martens closed cup
• ppe: Eyeshields, Gloves, type N95 (US)
• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 1