Orthoboric acid 99.8-100.5%, crystallised, AnalaR NORMAPUR® analytical reagent
Supplier: VWR Chemicals
20185.297EA
72.3
EUR
20185.297
20185.460
20185.360
20185.260
Orthoboric acid 99.8-100.5%, crystallised, AnalaR NORMAPUR® analytical reagent
Orthoboric acid
Formula:
B(OH)₃ MW: 61,83 g/mol Boiling Pt: 185 °C (1013 hPa) Melting Pt: 160 °C Density: 1,44 g/cm³ (25 °C) |
MDL Number:
MFCD00011337 CAS Number: 10043-35-3 Merck Index: 13,01326 |
Specification Test Results
Assay | 99.8 - 100.5 % |
Organic impurities | Passes test |
Solution in water | Passes test |
Heavy metals (as Pb) | Max. 5 ppm |
Insolubility in methanol | Max. 50 ppm |
Insolubility in water | Max. 50 ppm |
Non-esterifiable impurities | Max. 0.1 % |
Non-volatile with methanol/HCl | Max. 0.05 % |
NH4 (Ammonium) | Max. 20 ppm |
Cl (Chloride) | Max. 3 ppm |
PO4 (Phosphate) | Max. 5 ppm |
SO4 (Sulphate) | Max. 5 ppm |
As (Arsenic) | Max. 0.5 ppm |
Ca (Calcium) | Max. 20 ppm |
Cu (Copper) | Max. 2 ppm |
Fe (Iron) | Max. 1 ppm |
Mg (Magnesium) | Max. 5 ppm |
Pb (Lead) | Max. 5 ppm |
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