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04243

Potassium phosphate monobasic

Name: Potassium phosphate monobasic
Brand: SIGALD

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

동의어(들):

Potassium dihydrogen phosphate, prim.-Potassium phosphate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:

KH₂PO₄

CAS 번호:

7778-77-0

Molecular Weight:

136.09

UNSPSC Code:

12161700

eCl@ss:

38070209

PubChem Substance ID:

329747897

EC Number:

231-913-4

NACRES:

NA.25

MDL number:

MFCD00011401

기술 서비스

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도움 문의

속성

grade

anhydrous

Quality Level

200

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%)

pKa (25 °C)

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

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 (SO₄^2-): ≤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

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

Application

Potassium phosphate monobasic was used for separating tobacco protein by using aqueous two-phase extraction.

Biochem/physiol Actions

Potassium phosphate monobasic also referred to as monopotassium phosphate or potassium dihydrogen phosphate is a soluble salt of potassium that serves as a buffering agent. It enhances the solubility of calcium and phosphorus in amino acid plus dextrose solutions and hence assists in improving the mineral balance of parenterally fed low birth weight infants.

Preparation Note

Potassium phosphate monobasic dissolves in 4.5 (approx.) parts of water to yield a solution. It is practically insoluble in alcohol.

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저장 등급

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Role of the source of phosphate salt in improving the mineral balance of parenterally fed low birth weight infants.

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

Tobacco protein separation by aqueous two-phase extraction.

Deepa Balasubramaniam et al.

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)

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