Potassium hydrogen phthalate, ACS reagent, acidimetric standard, Thermo Scientific Chemicals

Brand:  Thermo Scientific Acros 424061000

Product Code. 10712412

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.

Specifications

• Chemical Name or Material: Potassium hydrogen phthalate
• Melting Point: 295.0°C to 300.0°C
• pH: 4.00 to 4.02 (0.05M soln. at 25°C ±0.2°C)
• Packaging: Plastic bottle
• Linear Formula: 2-(HO₂C)C₆H₄CO₂K
• Quantity: 100 g
• Merck Index: 15, 7733
• Solubility Information: Solubility in water: 80g/L (20°C). Other solubilities: 330g/L water (100°C),slightly soluble in alcohol
• SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
• Molecular Weight (g/mol): 204.22
• Formula Weight: 204.22
• Grade: ACS Reagent
• Physical Form: Crystalline Powder or Crystals

• CAS: 877-24-7
• Color: White
• Infrared Spectrum: Authentic
• Molecular Formula: C₈H₅KO₄
• MDL Number: MFCD00013070
• Beilstein: 09, 791
• 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
• InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M
• IUPAC Name: potassium;2-carboxybenzoate
• PubChem CID: 23676735
• Percent Purity: 99.95 to 100.05% (on dried substance)
• Insoluble Matter: 0.005% max

RUO – Research Use Only