Potassium hydrogen phthalate, 99%

Product Code.	Quantity	unitSize
11435343	250 g	250g

Product Code. 11435343

Brand: Thermo Scientific Alfa Aesar undefined

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.

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

Safety and Handling

SDS

RUO – Research Use Only