Orthoboric acid 99.5% for analysis
:10043-35-3
:
:B(OH)₃
:MFCD00011337
:13,01326
:185 °C (1013 hPa)
:169 °C (dec.)
:1,44 g/cm³ (25 °C)
:61.83 g/mol
:Ambient
:233-139-2
:01-2119486683-25
:GHS08
- Appearance:White Crystalline powder or crystals
- pH:3.6 to 4.0 (4 % at 20°C)
- Titration with NaOH:≥99.4 %
- Chloride (Cl):≤3 ppm
- Phosphate (PO4):≤5 ppm
- Sulfate (SO4):≤5 ppm
- Arsenic (As):≤0.5 ppm
- Cadmium (Cd):≤5 ppm
- Calcium (Ca):≤20 ppm
- Copper (Cu):≤5 ppm
- Iron (Fe):≤1 ppm
- Magnesium (Mg):≤5 ppm
- Zinc (Zn):≤5 ppm
- Heavy metals (as Pb):≤5 ppm
- Insoluble matter:≤0.005 % (in methanol)
- Non-volatiles w. MeOH/HCl:≤0.05 %