P0662
Potassium phosphate monobasic
ACS reagent, ≥99.0%
동의어(들):
Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
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모든 사진(5)
About This Item
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC Number:
MDL number:
UNSPSC 코드:
12352302
PubChem Substance ID:
NACRES:
NA.21
추천 제품
Grade
ACS reagent
Quality Level
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 (SO42-): ≤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
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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).
법적 정보
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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