96148
Fluka

Potassium phthalate monobasic

SKU
96148
for HPLC, ≥99.5%
Synonym(s)
KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate
General Information:
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Brand
Fluka
UNSPSC Code
12161700
Beilstein Registry Number CAS Numbers (All) EC Number
Linear Formula
HOOCC6H4COOK
MDL Number Molar Mass
204.22 g/mol
RTECS Number
CZ4326000
Synonyms
KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate

Documents

Specifications

PropertyValue
Assay99.5 - 100.5 %
pH (10 %)3.5 - 5.0
Solution 20 g to 200 mL (H2O)complying
Loss on drying (105°C)max. 0.5 %
Absorbance 500 nmmax. 0.02
Absorbance at 350 nmmax. 0.02
Absorbance at 340 nmmax. 0.03
Absorbance at 330 nmmax. 0.05

Properties

PropertyValue
Boiling Point/Range378 °C (1.013 hPa)
ColorColorless
Density1.64 g/cm3 (20 °C)
FlashpointNot applicable
For Use With (Equipment)For HPLC
FormSolid
GradeHPLC Buffer Salt
Incompatible MaterialsStrong oxidizing agents
Lower Explosion LimitNot applicable
Melting Point/Range295-300 °C
Partition CoefficientNo data available
Purity Percentage99.5
Purity Details>=99.5%
Solubility in Water80 g/l (20 °C)
Storage TemperatureAmbient
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNo data available
pH-Value4.0 (20 °C)

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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