P0662

Potassium phosphate monobasic

ACS reagent, ≥99.0%

• 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: 12352302
• PubChem Substance ID: 329820048
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 200
• Agency: suitable for EPA 300; suitable for SM 5210
• 분석: ≥99.0%
• 양식: powder or crystals
• 기술: tissue culture: suitable
• 불순물: ≤0.01% Insoluble matter
• 손실: ≤0.2% loss on drying, 105°C
• pH: 4.1-4.5 (25 °C, 5%)
• pKa(25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• bp: >450 °C
• mp: 252.6 °C (lit.)
• density: 2.338 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.003%
• 양이온 미량물: Fe: ≤0.002%; Na: ≤0.005%; heavy metals: ≤0.001% (by ICP)
• 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

일반 설명

Potassium phosphate monobasic (monopotassium orthophosphate) is a water soluble inorganic salt. Its standard enthalpy of formation has been reported to be -376.1kcalmol^-1. It acts a starting material in the synthesis of potassium metaphosphate.

애플리케이션

Potassium phosphate monobasic has been used in the preparation of phosphate buffer and phosphate buffered saline (PBS). It has also been used in the preparation of PEG1000 (poly ethylene glycol)/potassium phosphate aqueous two-phase systems (ATPS).

기타 정보

Go to Redi-Dri^™ Product Listing 795488

법적 정보

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

안전성 정보

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