Thermo Scientific Chemicals

Potassium hydrogen phthalate, 99%, Thermo Scientific Chemicals

Catalog number: A12895.30
250 g, Each
Thermo Scientific Chemicals

Potassium hydrogen phthalate, 99%, Thermo Scientific Chemicals

Catalog number: A12895.30
250 g, Each
Quantity
Catalog number: A12895.30
also known as A12895-30
Price (USD)
Price: 49.20
Online price: 41.65
Your price:
Quantity
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Chemical Identifiers

CAS
877-24-7
IUPAC Name
potassium 2-carboxybenzoate
Molecular Formula
C8H5KO4
InChI Key
IWZKICVEHNUQTL-UHFFFAOYSA-M
SMILES
[K+].OC(=O)C1=CC=CC=C1C([O-])=O
Appearance (Color)
White
Form
Crystals or powder or crystalline powder or fused solid or flakes
Assay (Aqueous acid-base Titration)
≥98.5 to ≤101.5%
Identification (FTIR)
Conforms

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.
RUO – Research Use Only

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