PX1562

Kaliumphosphat

HPLC, Meets ACS Specifications

• Synonym(e): Potassium Dihydrogen Phosphate, Kaliumdihydrogenphosphat, Monokaliumphosphat, prim.-Kaliumphosphat
• Lineare Formel: KH₂PO₄
• CAS-Nummer: 7778-77-0
• Molekulargewicht: 136.09
• MDL-Nummer: MFCD00011401
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 231-913-4

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥99%
• Form: crystals
• Methode(n): HPLC: suitable
• Verunreinigungen: ≤0.01% Insoluble matter
• Verlust: ≤0.2% loss on drying, 105°C
• pH-Wert: 4.2-4.6 (20 °C, 20 g/L in H₂O)
• mp (Schmelzpunkt): 252.6 °C (lit.)
• Löslichkeit: soluble 208 g/L
• Dichte: 2.338 g/mL at 25 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.003%
• Kationenspuren: Fe: ≤0.002%; Na: ≤0.005%; heavy metals: ≤0.001%
• UV-Absorption: λ: 254 nm A_max: ≤0.04
• Versandbedingung: ambient
• Lagertemp.: room temp
• SMILES String: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChIKey: GNSKLFRGEWLPPA-UHFFFAOYSA-M

Beschreibung

Anwendung

HPLC, Meets ACS Specifications

Hinweis zur Analyse

Assay99.0% minChloride (Cl)0.001% maxFormWhite crystalsHeavy Metals (by ICP-OES)0.001% maxInsoluble matter0.01% maxIron (Fe)0.002% maxLoss on drying (105°C)0.2% maxSodium (Na)0.005% maxSulfate (SO4)0.003% maxUV Absorbance (1 M, water, 254 nm)0.04AU maxpH of a 5% solution at 25°C4.1-4.5

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable