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

Supplier: Avantor

Synonyms: Ammonium phosphate, monobasicAmmonium Phosphate Monobasic

0777-08EA 20620 INR
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: 1,8 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003396
CAS Number: 7722-76-1
EINECS: 231-764-5
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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