Potassium hydrogen phthalate, 99.99%, acidimetric standard, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For ultra trace analysis

Specifications

Chemical Identifiers

• CAS: 877-24-7
• InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M
• Synonym: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, monopotassium salt, phthalic acid, monopotassium salt, phthalic acid potassium salt, potassium phthalate monobasic
• PubChem CID: 23676735
• IUPAC Name: potassium;2-carboxybenzoate
• SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

• Melting Point: 295.0°C to 300.0°C
• Color: White
• pH: 3.8 to 4 (5% soln. at 20°C)
• Infrared Spectrum: Authentic
• Assay Percent Range: 99.99%
• Packaging: Plastic Bottle
• Molecular Formula: C8H5KO4
• Linear Formula: 2-(HO₂C)C₆H₄CO₂K
• Quantity: 500 g
• Beilstein: 09, 791
• Merck Index: 15, 7733
• Molecular Weight (g/mol): 204.222
• Formula Weight: 204.22
• Percent Purity: 99.95 to 100.05%
• Grade: Trace Metal Basis
• Physical Form: Crystalline Powder or Crystals
• Chemical Name or Material: Potassium Hydrogen Phthalate

Safety and Handling

Hazard Category	Signal Word: CAUTION!
Precautionary Statement	Emergency Overview May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated. NFPA Health:

SDS

RUO – Research Use Only