60356
Potassium phosphate dibasic
puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)
동의어(들):
Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
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크기 선택
제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
K2HPO4
CAS 번호:
Molecular Weight:
174.18
PubChem Substance ID:
eCl@ss:
38070212
UNSPSC Code:
12352302
NACRES:
NB.24
EC Number:
231-834-5
MDL number:
Assay:
≥99.0% (T)
Form:
powder or crystals
Solubility:
water: soluble (completely)
InChI key
ZPWVASYFFYYZEW-UHFFFAOYSA-L
InChI
1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
SMILES string
[K+].[K+].OP([O-])([O-])=O
grade
ACS reagent, puriss. p.a.
assay
≥99.0% (T)
form
powder or crystals
impurities
≤0.001% total nitrogen (N)
loss
≤1.0% loss on drying, 105 °C
pH
8.5-9.6 (25 °C, 50 mg/mL in H2O)
Quality Level
solubility
water: soluble (completely)
anion traces
chloride (Cl-): ≤30 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤500 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)
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관련 카테고리
General description
Potassium phosphate dibasic is a useful biological buffer having a pH in the range of 8.5-9.6. Potassium phosphate is present in various forms: monobasic (KH2PO4), dibasic (KH2PO4), and tribasic (K3PO4). Potassium phosphate buffers are widely employed in equilibrium dialysis, high performance liquid chromatography (HPLC) and affinity capillary electrophoresis studies.
Application
- beta-lactoglobulin stabilized nanemulsions--Formulation and process factors affecting droplet size and nanoemulsion stability.: This study investigates the impact of formulation and process parameters on the stability and size of beta-lactoglobulin stabilized nanemulsions, potentially involving potassium phosphate dibasic in the formulation process (Ali et al., 2016).
- Correlation of characteristics of gel extrusion module (GEM) tablet formulation and drug dissolution rate.: Examines how the characteristics of gel extrusion in tablet formulations influence drug dissolution rates, relevant for chemists looking into dissolution behavior and possibly involving potassium phosphate dibasic (Juang and Storey, 2003).
- High-performance liquid chromatographic determination of phenylureas by photochemically-induced fluorescence detection.: Discusses a method for detecting phenylureas using high-performance liquid chromatography, which could involve potassium phosphate dibasic as a component of the mobile phase or sample preparation (Munoz de la Pena et al., 2002).
- Assay and purity analysis of diatrizoate sodium in drug product by LC.: This research details a method for assaying and analyzing the purity of diatrizoate sodium, where potassium phosphate dibasic could be part of the chromatographic system (Chellquist et al., 1997).
저장 등급
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
Tessy Theres Baby et al.
Talanta, 80(5), 2016-2022 (2010-02-16)
A new type of amperometric glucose biosensor based on silicon dioxide coated magnetic nanoparticle decorated multiwalled carbon nanotubes (Fe(3)O(4)@SiO(2)/MWNTs) on a glassy carbon electrode (GCE) has been developed. MWNTs have been synthesized by catalytic chemical vapour decomposition (CCVD) of acetylene
H Einarsson et al.
Applied and environmental microbiology, 61(2), 669-676 (1995-02-01)
In brined shrimp (ca. 3% NaCl), the effects of three different lactic acid bacteria bacteriocins (crude [6.54 x 10(sup10) U of bacteriocin activity {BU}/g] and purified [8.13 x 10(sup23) BU/g] nisin Z, carnocin UI49 [2.32 x 10(sup4) BU/g], and crude
John E Schiel et al.
Talanta, 65(2), 495-500 (2008-10-31)
Potassium phosphate buffer is often used in methods such as equilibrium dialysis, high performance liquid chromatography (HPLC), and affinity capillary electrophoresis (ACE) for characterizing the binding of drugs and hormones with proteins or other ligands within the body. In these
Audrey Beaussart et al.
ACS nano, 8(10), 10723-10733 (2014-10-07)
A variety of bacterial pathogens use nanoscale protein fibers called type IV pili to mediate cell adhesion, a primary step leading to infection. Currently, how these nanofibers respond to mechanical stimuli and how this response is used to control adhesion
Regulation of miR399f transcription by AtMYB2 affects phosphate starvation responses in Arabidopsis.
Dongwon Baek et al.
Plant physiology, 161(1), 362-373 (2012-11-17)
Although a role for microRNA399 (miR399) in plant responses to phosphate (Pi) starvation has been indicated, the regulatory mechanism underlying miR399 gene expression is not clear. Here, we report that AtMYB2 functions as a direct transcriptional activator for miR399 in
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