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Potassium hydrogen phthalate, ACS reagent, acidimetric standard

Product Code. 10712412 Shop All Thermo Scientific Chemicals Products
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100 g
500 g
2.5 kg
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100g
2.5kg
500g
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10712412 100 g Plastic bottle 100g
10351211 500 g Plastic bottle 500g
10447493 2.5 kg Plastic bottle 2.5kg
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Product Code. 10712412 Supplier Thermo Scientific Acros Supplier No. 424061000
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Description

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

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.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 877-24-7
Molecular Formula C8H5KO4
Molecular Weight (g/mol) 204.22
MDL Number MFCD00013070
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+]

Specifications

Melting Point 295.0°C to 300.0°C
Color White
pH 4.00 to 4.02 (0.05M soln. at 25°C ±0.2°C)
Infrared Spectrum Authentic
Packaging Plastic bottle
Linear Formula 2-(HO2C)C6H4CO2K
Quantity 100 g
Beilstein 09, 791
Merck Index 15, 7733
Solubility Information Solubility in water: 80g/L (20°C). Other solubilities: 330g/L water (100°C),slightly soluble in alcohol
Formula Weight 204.22
Percent Purity 99.95 to 100.05% (on dried substance)
Grade ACS Reagent
Insoluble Matter 0.005% max
Physical Form Crystalline Powder or Crystals
Chemical Name or Material Potassium hydrogen phthalate
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