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Merck

P1088

Potassium phthalate monobasic

BioXtra, ≥99.95%

Sinónimos:

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

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Fórmula lineal:
HOOCC6H4COOK
Número CAS:
877-24-7
Peso molecular:
204.22
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
24898152
EC Number:
212-889-4
Beilstein/REAXYS Number:
3637128
MDL number:
MFCD00013070

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InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

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

SMILES string

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

product line

BioXtra

assay

≥99.95%

form

powder or crystals

Quality Level

200

impurities

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

pH

4

mp

295-300 °C (dec.) (lit.)

anion traces

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

cation traces

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%

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General description

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.

Application

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).

Features and Benefits

  • Long-term stability
  • Exhibits dielectric properties

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 1

flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCZ6394
MKCV7840
MKCW6054
MKCS3748
MKCS3749

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The Science of the total environment, 461-462, 386-390 (2013-06-12)
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