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Potassium hydrogen phthalate, 99%, Thermo Scientific Chemicals Product Code.: 11435343
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Potassium hydrogen phthalate, 99%, Thermo Scientific Chemicals

Product Code. 11435343
250 g
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Quantity:
250 g
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Product Code. 11435343

Brand: Thermo Scientific Alfa Aesar A12895.30

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Description

 

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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5 results found
Lot Number Certificate Type Date Catalog Number
Lot Number10252916 Certificate TypeCertificate of Analysis Date30/10/2024 Catalog NumberA12895.0B,A12895.30,A12895.0I
Lot Number10245286 Certificate TypeCertificate of Analysis Date24/10/2023 Catalog NumberA12895.0B,A12895.30,A12895.0I
Lot Number10244305 Certificate TypeCertificate of Analysis Date27/10/2022 Catalog NumberA12895.0B,A12895.30,A12895.0I
Lot Number10240740 Certificate TypeCertificate of Analysis Date21/05/2022 Catalog NumberA12895.0B,A12895.30,A12895.0I
Lot Number10238647 Certificate TypeCertificate of Analysis Date12/04/2022 Catalog NumberA12895.0B,A12895.30,A12895.0I

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