04243

Potassium phosphate monobasic

meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance)

• 동의어(들): Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
• Linear Formula: KH₂PO₄
• CAS Number: 7778-77-0
• Molecular Weight: 136.09
• EC Number: 231-913-4
• MDL number: MFCD00011401
• UNSPSC 코드: 12161700
• eCl@ss: 38070209
• PubChem Substance ID: 329747897
• NACRES: NA.25

속성

• Grade: anhydrous
• Quality Level: 200
• 분석: 98-100.5% (calc. to the dried substance)
• 형태: crystalline
• 품질: meets analytical specification of Ph. Eur., NF, E340
• 불순물: org. volatile impurities, complies (GC); residual solvents, complies; ≤0.001% heavy metals (as Pb); ≤0.04% KMnO₄ red. matter (as O); ≤0.2% in water insoluble matters
• 손실: ≤1% loss on drying, 130 °C
• pH: 4.2-4.5 (20 °C, 5%)
• pKa(25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• mp: 252.6 °C (lit.)
• solubility: H₂O: soluble 4.5 parts; alcohol: insoluble
• density: 2.338 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤10 mg/kg; fluoride (F^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• 양이온 미량물: As: ≤2 mg/kg; Cd: ≤1 mg/kg; Cu: ≤20 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; Na: ≤1000 mg/kg; Pb: ≤4 mg/kg; Zn: ≤20 mg/kg
• 적합성: complies for appearance of solution
• 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
• InChI key: GNSKLFRGEWLPPA-UHFFFAOYSA-M

설명

애플리케이션

Potassium phosphate monobasic was used for separating tobacco protein by using aqueous two-phase extraction.

생화학적/생리학적 작용

Potassium phosphate monobasic also referred to as monopotassium phosphate or potassium dihydrogen phosphate is a soluble salt of potassium that serves as a buffering agent. It enhances the solubility of calcium and phosphorus in amino acid plus dextrose solutions and hence assists in improving the mineral balance of parenterally fed low birth weight infants.

제조 메모

Potassium phosphate monobasic dissolves in 4.5 (approx.) parts of water to yield a solution. It is practically insoluble in alcohol.

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable