56982

Potassium phthalate monobasic

suitable for HPLC, LiChropur^™, 99.5-100.5% (HPLC)

• Synonym(s): KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate
• Linear Formula: HOOCC₆H₄COOK
• CAS Number: 877-24-7
• Molecular Weight: 204.22
• Beilstein/REAXYS Number: 3637128
• MDL number: MFCD00013070
• UNSPSC Code: 41116105

Properties

• assay: 99.5-100.5% (HPLC)
• form: solid
• quality: LiChropur^™
• technique(s): HPLC: suitable
• loss: ≤0.5% loss on drying
• pH: 3.0-5.0
• mp: 295-300 °C (dec.) (lit.)
• solubility: H₂O: 10 applications on large gels, clear, colorless (hot)
• λ: 10 % in H₂O (hot)
• UV absorption: λ: 330 nm A_max: ≤0.05; λ: 340 nm A_max: ≤0.03; λ: 350 nm A_max: ≤0.02; λ: 500 nm A_max: ≤0.02
• 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

Description

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 387.1 °F - Pensky-Martens closed cup
• flash_point_c: 197.3 °C - Pensky-Martens closed cup