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Potassium hydrogen phthalate, primary standard, ACS, 99.95-100.05%, Thermo Scientific Chemicals

Supplier:  Thermo Scientific Chemicals 033351A1

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Catalog No. AA33351A1



Description

Description

As a primary standard for preparing volumetric alkali solutions and as a buffer in pH determinations. Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters. It acts as a buffer in pH determination. It finds application as a useful standard for total organic carbon testing.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Specifications

Potassium hydrogen phthalate, primary standard
For ACS analysis
White
1 kg
C8H5KO4
3637128
Soluble in water. Slightly soluble in alcohol.
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
204.222
204.23
1.636 g/mL
297°C (decomposition)
877-24-7
Crystalline Powder
99.95-100.05%
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
IWZKICVEHNUQTL-UHFFFAOYSA-M
potassium;2-carboxybenzoate
23676735
ACS Reagent

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

EINECSNumber : 212-889-4

RTECSNumber : CZ4326000

TSCA : Yes

Recommended Storage : Ambient temperatures

SDS
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