BORIC ACID Molecular Biology
Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
SC3957 | Molecular Biology | 99.50% | 10043-35-3 | H3BO3 | 61.83 | 2810.002 | 60 Months |
Packings
500 g |
Physical Properties
Physical state at 20 °C | Solid |
Colour | White powder |
Odour | Odorless |
pH value | 3.8 - 4.8 |
Melting point/ Freezing point [°C] | 160 °C |
Boiling point [°C] | 300 °C |
Vapour pressure [20°C] | 3.5 hPa at 20 °C |
Density [g/cm3] | 1.44 |
Solubility in water [% weight] | Soluble in water |
Specifications
Appearance | White powder / crystals / crystalline powder |
Assay (acidimetric) | Min 99.5% |
DNases (exo and endonucleases) | None detected |
Insoluble matter | Passes filter test |
Non-volatile substances in MeOH/HCl | Max 0.05% |
Phosphatase | None detected |
RNases | None detected |
Loss on drying (at 120°C) | Max 0.5% |
Solubility (1 M in water) | Complete,colourless |
pH (saturated solution in water) | 3.6 - 4.6 |
Chloride (Cl) | Max 0.0005% |
Phosphate (PO4) | Max 0.0005% |
Sulphate (SO4) | Max 0.0005% |
Heavy metal (as Pb) | Max 0.0005% |
Arsenic (As) | Max 0.00005% |
Sodium (Na) | Max 0.005% |
UV absorbance 1 M in water | |
Wavelength | Max. Absorbance |
260 nm | 0.015 |
280 nm | 0.010 |
Safety Information and Hazard Symbols
Symbol | GHS08 |
Signal Word | Danger |
UN No. | |
IMCO Class No. | |
Packing Group | |
Hazardous Statement | H360 |
Precaution Statement | P201-P308 + P313 |
Risk Statement | |
Safety Statement |