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Merck

229806

Fosfato de potasio monobasic

99.99% trace metals basis

Sinónimos:

Dihidrógeno fosfato de potasio, prim.-Fosfato de potasio

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About This Item

Fórmula lineal:
KH2PO4
Número CAS:
7778-77-0
Peso molecular:
136.09
NACRES:
NA.23
PubChem Substance ID:
24853748
UNSPSC Code:
12352302
EC Number:
231-913-4
MDL number:
MFCD00011401
assay:
99.99% trace metals basis
form:
solid
solubility:
water: soluble

Nombre del producto

Fosfato de potasio monobasic, 99.99% trace metals basis

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

SMILES string

[K+].OP(O)([O-])=O

assay

99.99% trace metals basis

form

solid

reaction suitability

core: potassium

impurities

≤150.0 ppm Trace Metal Analysis

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

Quality Level

100

solubility

water: soluble

density

2.338 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.3 ppm
Ca: ≤16.1 ppm
Cr: ≤0.3 ppm
Fe: ≤1.5 ppm
Mg: ≤0.2 ppm
Mn: ≤0.1 ppm
Na: ≤11.8 ppm
Rb: ≤9.6 ppm

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Categorías relacionadas

Application

it maybe used
  • to produce flurescence emmisionin carbon dots
  • buffers
  • pH control agent
  • emulsifier
  • stabilizer
  • water retention agent,
  • antioxidant in foods

General description

Monobasic potassium phosphate crystals are colorless, soluble in water and hygroscopic in nature.Upon heating through 187°C, phase transition occurs in KH2PO4, crystal system changes from tetragonal to monoclinic, lattice parameters at 195°C are α=7.47Å, b =7.33Å, c =14.49Å, α=ß=90° and γ=92.2.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000426327
0000407117
0000407117
0000222151
0000219875

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X-Ray Study of High-Temperature Phase Transitions in KH2PO4
Itoh K,et al
Journal of the Physical Society of Japan, 39, 843-849 (1975)
Zheng-Chun Yang et al.
Chemical communications (Cambridge, England), 47(42), 11615-11617 (2011-09-21)
A facile method is developed to synthesize intrinsically fluorescent carbon dots by hydrothermal treatment of glucose in the presence of monopotassium phosphate. The fluorescence emission of the carbon dots thus produced is tunable by simply adjusting the concentration of monopotassium
Przemyslaw Nogly et al.
IUCrJ, 2(Pt 2), 168-176 (2015-04-14)
Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of
Casper Skovgaard et al.
Journal of applied physiology (Bethesda, Md. : 1985), 117(10), 1097-1109 (2014-09-06)
The purpose of this study was to examine whether speed endurance training (SET, repeated 30-s sprints) and heavy resistance training (HRT, 80-90% of 1 repetition maximum) performed in succession are compatible and lead to performance improvements in moderately trained endurance
Xinyan Wu et al.
Nature communications, 5, 4961-4961 (2014-09-24)
The PIK3CA gene is frequently mutated in human cancers. Here we carry out a SILAC-based quantitative phosphoproteomic analysis using isogenic knockin cell lines containing 'driver' oncogenic mutations of PIK3CA to dissect the signalling mechanisms responsible for oncogenic phenotypes induced by
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