Merck
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229806

Sigma-Aldrich

Potassium phosphate monobasic

99.99% trace metals basis

Synonym(s):
prim.-Potassium phosphate, Monopotassium phosphate, Potassium dihydrogen phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
Número de EC:
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.23

Nivel de calidad

100

ensayo

99.99% trace metals basis

formulario

solid

impurezas

≤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.)

densidad

2.338 g/mL at 25 °C (lit.)

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

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Descripción general

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.

Aplicación

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

Envase

2.5 kg in poly bottle
25, 250 g in poly bottle

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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