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Potassium hydrogen phthalate, 99%

Product Code. 11435343
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250 g
Unit Size:
250g
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Product Code. 11435343 Supplier Thermo Scientific Alfa Aesar Supplier No. A12895.30
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Description

CAS: 877-24-7 | C8H5KO4 | 204.22 g/mol

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

Specifications

CAS 877-24-7
Melting Point 297°C (decomposition)
Density 1.636
Odor Odorless
Molecular Formula C8H5KO4
MDL Number MFCD00013070
Quantity 250 g
Beilstein 3637128
Merck Index 14,7612
Synonym potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate
Solubility Information Soluble aq. soln.. Slightly soluble in alcohol.
InChI Key IWZKICVEHNUQTL-UHFFFAOYSA-M
SMILES [K+].OC(=O)C1=CC=CC=C1C([O-])=O
IUPAC Name potassium 2-carboxybenzoate
Molecular Weight (g/mol) 204.22
PubChem CID 23676735
Formula Weight 204.23
Percent Purity 99%
Chemical Name or Material Potassium hydrogen phthalate
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