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Potassium Hydrogen Phthalate (Primary Standard/Meets ACS Specifications), Fisher Chemical

Note: This reagent is satisfactory for use as a pH standard. For use as an acidimetric standard, this material should be lightly crushed and dried for 2 hours at 120°C to remove any absorbed moisture

Manufacturer:  Thermo Scientific P243500

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Catalog No. P243-500




Specifications

Specifications

Potassium Hydrogen Phthalate
Glass Bottle
295°C
3.8 to 4.0
Also meets ACS specifications
C8H5KO4
MFCD00013070
0.005% max. Insoluble Matter
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
204.222
204.23
99.95 to 100.05%
Pass Test
White
500g
877-24-7
≥98.5 %
1-(HO2C)-2-(CO2K)-C6H4
potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, monopotassium salt, phthalic acid potassium salt, potassium phthalate monobasic
IWZKICVEHNUQTL-UHFFFAOYSA-M
potassium;2-carboxybenzoate
23676735
Solid
Primary Standard

Chemical Identifiers

877-24-7
204.222
IWZKICVEHNUQTL-UHFFFAOYSA-M
23676735
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
C8H5KO4
MFCD00013070
potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, monopotassium salt, phthalic acid potassium salt, potassium phthalate monobasic
potassium;2-carboxybenzoate
Safety and Handling

Safety and Handling

SDS Documents