Potassium hydrogen phthalate, 99%
Potassium hydrogen phthalate, 99%
Potassium hydrogen phthalate, 99%
Potassium hydrogen phthalate, 99%
Thermo Scientific Chemicals

Potassium hydrogen phthalate, 99%

CAS: 877-24-7 | C8H5KO4 | 204.22 g/mol
Have Questions?
Catalog NumberQuantity
ALFA12895.30250 g
Catalog number ALFA12895.30
View Price:Sign in to see your account pricing. Need an account? Register with us today.
Quantity:
250 g
Request bulk or custom format
Chemical Identifiers
CAS121-71-1
IUPAC Name1-(3-hydroxyphenyl)ethan-1-one
Molecular FormulaC8H8O2
InChI KeyLUJMEECXHPYQOF-UHFFFAOYSA-N
SMILESCC(=O)C1=CC=CC(O)=C1
View more
SpecificationsSpecification SheetSpecification Sheet
Appearance (Form)Crystalline powder
Infrared spectrumConforms
Melting point94°C to 97°C
GC>=99.0 %
Appearance (Color)Beige to light brown
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