Principaux documents

Voir toute la documentation

04243

Phosphate de potassium monobasic

Name: Phosphate de potassium monobasic
Brand: SIGALD

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

Synonyme(s) :

Dihydrogénophosphate de potassium, Phosphate de potassium prim.

Se connecter pour consulter les tarifs organisationnels et contractuels.

Sélectionner une taille de conditionnement

Changer de vue

A propos de cet article

Formule linéaire :

KH₂PO₄

Numéro CAS:

7778-77-0

Poids moléculaire :

136.09

UNSPSC Code:

12161700

eCl@ss:

38070209

PubChem Substance ID:

329747897

EC Number:

231-913-4

NACRES:

NA.25

MDL number:

MFCD00011401

Service technique

Besoin d'aide ? Notre équipe de scientifiques expérimentés est là pour vous.

Laissez-nous vous aider

Propriétés

grade

anhydrous

Quality Segment

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

Description

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.

Still not finding the right product?

Explore all of our products under Phosphate de potassium monobasic

Classe de stockage

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c