Boric acid - 31146
Code: 31146
Boric acid
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., buffer substance, ≥99.8%
Acidum Boricum
ACS Reagent, Reag. ISO, Reag. Ph. Eur., Buffer substance
CAS Number: 10043-35-3
Linear Formula: H3BO3
Molar Mass: 61.83 g/mol
EC Number: 233-139-2
MDL Number: MFCD00011337
| Property |
Value |
| Assay |
99.8 - 100.5 % |
| Appearance of the solution |
complying |
| Solubility in C2H5OH |
complying |
| Insoluble in methanol |
max. 0.005 % |
| With methanol-HCl non-volatile matter |
max. 0.05 % |
| PH (4 %, 20°C) |
3.6 - 4.0 |
| PH (3,3 %, 20 °C) |
3.8 - 4.8 |
| Arsenic (As) |
max. 0.00005 % |
| Calcium (Ca) |
max. 0.001 % |
| Cadmium (Cd) |
max. 0.0005 % |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 0.0001 % |
| Magnesium (Mg) |
max. 0.0005 % |
| Lead (Pb) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Chloride (Cl) |
max. 0.0003 % |
| Phosphate (PO4) |
max. 0.0005 % |
| Sulfate (SO4) |
max. 5 ppm |
| Organic matter |
complying |
| Property |
Value |
| Vapor Pressure |
2.6 mmHg ( 20 °C) |
| Freezing point |
171 °C |
| Density |
1.510 g/cm3 |
