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Potassium hydrogen phthalate, 99%, Thermo Scientific Chemicals

Catalog Number p-7020814
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Quantity:
500 g
1000 g
5000 g
877-24-7
C8H5KO4
204.222
MFCD00013070
IWZKICVEHNUQTL-UHFFFAOYSA-M
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
23676735
potassium;2-carboxybenzoate
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
877-24-7
C8H5KO4
204.222
MFCD00013070
IWZKICVEHNUQTL-UHFFFAOYSA-M
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
23676735
potassium;2-carboxybenzoate
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters and for the preparation of volumetric alkali solutions. It acts as 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.

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

Solubility
Soluble in water. Slightly soluble in alcohol.

Notes
Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY
Melting Point 297°C (decomposition)
Density 1.636
Odor Odorless
Quantity 500 g
Beilstein 3637128
Merck Index 14,7612
Solubility Information Soluble in water. Slightly soluble in alcohol.
Formula Weight 204.23
Percent Purity 99%
Chemical Name or Material Potassium hydrogen phthalate
EINECSNumber 212-889-4
RTECSNumber CZ4326000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only

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