Potassium hydrogen phthalate, 99%

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

Catalog Number	Quantity
A12895.30 also known as A12895-30	250 g

Catalog number A12895.30

also known as A12895-30

Price (EUR)

47,60

Quantity:

250 g

Request bulk or custom format

Price (EUR)

47,60

Chemical Identifiers

CAS877-24-7

IUPAC Namepotassium 2-carboxybenzoate

Molecular FormulaC8H5KO4

InChI KeyIWZKICVEHNUQTL-UHFFFAOYSA-M

SMILES[K+].OC(=O)C1=CC=CC=C1C([O-])=O

Specifications

Appearance (Color)White

FormCrystals or powder or crystalline powder or fused solid or flakes

Assay (Aqueous acid-base Titration)≥98.5 to ≤101.5%

Identification (FTIR)Conforms

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