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Merck
CN

04243

磷酸二氢钾 一元

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

别名:

prim.-磷酸钾, 磷酸二氢钾

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线性分子式:
KH2PO4
化学文摘社编号:
7778-77-0
分子量:
136.09
UNSPSC Code:
12161700
eCl@ss:
38070209
PubChem Substance ID:
329747897
EC Number:
231-913-4
NACRES:
NA.25
MDL number:
MFCD00011401

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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

grade

anhydrous

assay

98-100.5% (calc. to the dried substance)

form

crystalline

quality

meets analytical specification of Ph. Eur., NF, E340

impurities

residual solvents, complies, ≤0.04% KMnO4 red. matter (as O), ≤0.2% in water insoluble matters, ≤10 mg/kg heavy metals (as Pb)

loss

≤1% loss on drying, 130 °C

pH

4.2-4.5 (20 °C, 5%)

Quality Level

200

mp

252.6 °C (lit.)

solubility

H2O: soluble 4.5 parts, alcohol: insoluble

density

2.338 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%, fluoride (F-): ≤10 mg/kg, sulfate (SO42-): ≤200 mg/kg

cation traces

As: ≤1 mg/kg, Cd: ≤1 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Na: ≤0.1%, Pb: ≤1 mg/kg

suitability

complies for appearance of solution

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相关类别

Application

以磷酸二氢钾为萃取剂，采用双水相萃取法分离烟草蛋白质。

Biochem/physiol Actions

磷酸二氢钾也称为磷酸二氢钾或磷酸二氢钾，是一种作为缓冲剂的可溶性钾盐。它增强了钙和磷在氨基酸加葡萄糖溶液中的溶解度，因此有助于改善胃肠外喂养的低出生体重儿的矿物质平衡。

Preparation Note

磷酸二氢钾溶于（约） 4.5份水，得到溶液。几乎不溶于乙醇。

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
AM2147071
SDBB4432
SDBB3370
STBL3351
STBK7132

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P Chessex et al.
The Journal of pediatrics, 116(5), 765-772 (1990-05-01)
Because the monobasic potassium phosphate salt (monobasic) improves the solubility of calcium and phosphorus in amino acid plus dextrose solutions, compared with the current mixtures of monobasic plus dibasic salts (dibasic), we tested the bioavailability and clinical effects of monobasic
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Journal of chromatography. A, 989(1), 119-129 (2003-03-19)
Tobacco has long been considered as a host to produce large quantity of high-valued recombinant proteins. However, dealing with large quantities of biomass is a challenge for downstream processing. Aqueous two-phase extraction (ATPE) has been widely used in purifying proteins
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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
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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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Disease models & mechanisms, 7(6), 635-648 (2014-05-09)
A point mutation in the Drosophila gene that codes for the major adult isoform of adenine nuclear translocase (ANT) represents a model for human diseases that are associated with ANT insufficiency [stress-sensitive B(1) (sesB(1))]. We characterized the organismal, bioenergetic and
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