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
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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 (calculated to the dried substance)98.0 - 100.5 %
Loss on drying (130°C)Max. 1.0 %
Loss on drying (105°C, 4 h)Max. 1.0 %
Water insoluble matterMax. 0.2 %
pH (5 %, 20°C)4.2 - 4.5
Arsenic (As)Max. 1 ppm
Cadmium (Cd)Max. 1 ppm
Copper (Cu)Max. 0.002 %
Iron (Fe)Max. 10 ppm
Mercury (Hg)Max. 1 ppm
Sodium (Na)Max. 0.1 %
Lead (Pb)Max. 1 ppm
Zinc (Zn)Max. 0.002 %
Heavy metals (as Pb)Max. 10 ppm
Chloride (Cl)Max. 10 ppm
Fluoride (F)Max. 10 ppm
Sulfate (SO4)Max. 200 ppm
KMnO4 reducing matter (as O)Max. 0.04 %
Appearance of the solutioncomplying
Residual solventscomplying

Properties

PropertyValue
Boiling Point/RangeDecomposes on heating
CertificationPh. Eur., NF, E340
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 Percentage98.00
Purity Details98.00-100.50%
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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