Ammonium dihydrogen phosphate ≥98.0%, crystals for HPLC, J.T.Baker®

Supplier: Avantor

0777-08EA 381.62 EUR
0777-08
Ammonium dihydrogen phosphate ≥98.0%, crystals for HPLC, J.T.Baker®
Ammonium dihydrogen phosphate

For high performance liquid chromatography.

Formula: NH₄H₂PO₄
MW: 115,03 g/mol
Melting Pt: 190 °C
Density: 1,80 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003396
CAS Number: 7722-76-1
Merck Index: 13,00547

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Specification Test Results

For Laboratory,Research,or Manufacturing Use
Assay (NH₄H₂PO₄) ≥98.0 %
Insoluble Matter ≤0.005 %
Ammonium Hydroxide Precipitate ≤0.005 %
pH of 5% Solution at 25°C 3.8 - 4.4
Nitrate (NO₃) ≤0.001 %
Sulfur Compounds (as SO₄) ≤0.005 %
Trace Impurities - Iron (Fe) ≤0.001 %
Potassium (K) ≤0.005 %
Sodium (Na) ≤0.005 %
Ultraviolet Absorbance (1.00-cm cell vs. water) - 254 nm ≤0.03
Ultraviolet Absorbance (1.00-cm cell vs. water) - 280 nm ≤0.02
Ultraviolet Absorbance (1.00-cm cell vs. water) - 350 nm ≤0.01
Chloride (Cl) ≤5 ppm
Trace Impurities - Arsenic (As) ≤0.500 ppm
Trace Impurities - ACS - Heavy Metals (as Pb) ≤5 ppm

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