04243
Fluka

Potassium phosphate monobasic

SKU
04243
Meets analytical specification of NF, Ph. Eur., E340, Anhydrous, 98-100.5% (calc. to the dried substance)
Synonym(s)
Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate
General Information:
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Brand
Fluka
CAS Numbers (All) EC Number Linear Formula
KH2PO4
MDL Number
Molar Mass
136.09 g/mol
Synonyms
Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate

Documents

Specifications

PropertyValue
Assay(calculatedtothedriedsubstance)98.0-100.5%
Lossondrying(130°C)Max.1.0%
Lossondrying(105°C,4h)Max.1.0%
WaterinsolublematterMax.0.2%
pH(5%,20°C)4.2-4.5
Arsenic(As)Max.1ppm
Cadmium(Cd)Max.1ppm
Copper(Cu)Max.0.002%
Iron(Fe)Max.10ppm
Mercury(Hg)Max.1ppm
Sodium(Na)Max.0.1%
Lead(Pb)Max.1ppm
Zinc(Zn)Max.0.002%
Heavymetals(asPb)Max.10ppm
Chloride(Cl)Max.10ppm
Fluoride(F)Max.10ppm
Sulfate(SO4)Max.200ppm
KMnO4reducingmatter(asO)Max.0.04%
Appearanceofthesolutioncomplying
Residualsolventscomplying

Properties

PropertyValue
Boiling Point/RangeDecomposes on heating
ColorColorless
Density2.34 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeReagent Pharmacopeia Salts
Incompatible MaterialsStrong acids and strong bases
Lower Explosion LimitNot applicable
Melting Point/Range253 °C
Partition CoefficientNo data available
Purity Percentage98
Purity Details98-100.5%
Solubility in Water220 g/l (20 °C)
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNo data available
pH-Value4.2-4.5 (20 °C)
Storage TemperatureAmbient

Safety Information

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