Potassium dihydrogen phosphate, anhydrous 99.5-100.5%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur. buffer substance, Fluka™
Supplier: Honeywell Chemicals
Certificates
About this item
CAS Number:7778-77-0
:
Formula:KH₂PO₄
MDL Number:MFCD00011401
:136.09 g/mol
Merck Index:13,07744
Melting Pt:253 °C
Density:2.34 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-913-4
REACH:01-2119490224-41
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
Specification Test Results
Product Information
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