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Merck

P1088

Sigma-Aldrich

Potassium phthalate monobasic

BioXtra, ≥99.95%

Sinónimos:

Potassium phthalate monobasic, KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate

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About This Item

Fórmula lineal:
HOOCC6H4COOK
Número de CAS:
Peso molecular:
204.22
Beilstein:
3637128
Número CE:
Número MDL:
Código UNSPSC:
12161700
ID de la sustancia en PubChem:
NACRES:
NA.25

Línea del producto

BioXtra

Nivel de calidad

Análisis

≥99.95%

formulario

powder or crystals

impurezas

<0.005% Insoluble matter
<0.005% Phosphorus (P)

pH

4

mp

295-300 °C (dec.) (lit.)

trazas de anión

chloride (Cl-): <0.003%
sulfur compounds (as SO42-): ≤0.002%

trazas de catión

Al: <0.0005%
Ca: <0.005%
Cu: <0.0005%
Fe: <0.0005%
Mg: <0.0005%
NH4+: <0.05%
Na: <0.005%
Pb: <0.001%
Zn: <0.0005%

cadena SMILES

[K+].OC(=O)c1ccccc1C([O-])=O

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

Clave InChI

IWZKICVEHNUQTL-UHFFFAOYSA-M

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Descripción general

Potassium hydrogen phthalate (KHP) is a semi-organic salt that is a member of the alkali acid phthalate series. KHP crystals are useful in devices because of their electro-optical properties. It usually acts as a model compound due to its well-developed surface pattern on the (010) face that can be easily observed by optical microscopy.

Aplicación

Potassium hydrogen phthalate has been used as a substrate to assess the permeation from the extracellular (EC) to the periplasmic (PP) side through DcaP. It has also been used as one of the polyurethane materials for the characterization of polyester triol (OH).

Características y beneficios

  • Long-term stability
  • Exhibits dielectric properties

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

387.1 °F - Pensky-Martens closed cup

Punto de inflamabilidad (°C)

197.3 °C - Pensky-Martens closed cup

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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