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Potassium dihydrogen phosphate, anhydrous 99.5-100.5%, Puriss. p.a. Reag. Ph. Eur., ACS, ISO buffer substance, Fluka™

Supplier: BURDICK & JACKSON FKA SIGMA

60220-1KG 60220-2.5KG 60220-500G 60220-5KG
BJ60220-1KGEA 229 USD InStock
BJ60220-1KG BJ60220-2.5KG BJ60220-500G BJ60220-5KG
Potassium dihydrogen phosphate, anhydrous 99.5-100.5%, Puriss. p.a. Reag. Ph. Eur., ACS, ISO buffer substance, Fluka™
Potassium dihydrogen phosphate


Formula: KH₂PO₄
MW: 136.09 g/mol
Boiling Pt: 100
Melting Pt: 253
Density: 2.34 g/cm³ (20 °C) (lit.)
Storage Temperature: Ambient
 MDL Number: MFCD00011401
CAS Number: 7778-77-0
EINECS: 231-913-4
Merck Index: 13,07744
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Specification Test Results
Assay (alk., calculated to dried substances) 99.5 - 100.5 %
Assay Min. 99.0 %
Loss on drying (130°C) Max. 0.2 %
Water insoluble matter Max. 0.005 %
pH (5 %, 25 °C) 4.2 - 4.5
Arsenic (As) Max. 0.5 ppm
Calcium (Ca) Max. 0.001 %
Cadmium (Cd) Max. 0.0005 %
Cobalt (Co) Max. 0.0005 %
Chromium (Cr) Max. 0.0015 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 5 ppm
Magnesium (Mg) Max. 0.0005 %
Manganese (Mn) Max. 0.0005 %
Nickel (Ni) Max. 0.0005 %
Sodium (Na) Max. 50 ppm
Lead (Pb) Max. 0.0005 %
Zinc (Zn) Max. 0.0005 %
Heavy metals (as Pb) Max. 5 ppm
Chloride (Cl) Max. 5 ppm
Sulfate (SO₄) Max. 30 ppm
Total N Max. 0.001 %
KMnO₄ reducing matter (as O) complying
Appearance of the solution complying
Appearance (color) complying
Appearance (form) complying

 

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