Barium Hydroxide Octahydrate 97% Extrapure
Barium Hydrate
Product Code. |
00341 |
Grade |
Extrapure |
Purity |
97% |
CAS No. |
12230-71-6 |
Molecular Formula |
Ba(OH)2.8H2O |
Molecular Weight |
315.48 |
H.S.Code |
2816.40000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White Crystalline |
Odour |
Odorless |
| pH value |
12.5 at 50 g/l at 20 °C |
Melting point/ Freezing point [°C] |
78 °C |
Boiling point [°C] |
780°C |
| Density [g/cm3] |
2.18 |
Solubility in water [% weight] |
5.6g/100g water @ 150C |
Packaging
Specification
| Appearance | White crystalline powder or crystal or flakes |
| Assay (acidimetric) | Min 97.0% |
| Substance insoluble in dilute HCl | Max 0.02% |
| Chloride (Cl) | Max 0.05% |
| Iron (Fe) | Max 0.003% |
| Strontium (Sr) | Max 1.0% |
| Heavy metal (as Pb) | Max 0.002% |
| Carbonates (as BaCO3) | Max 2.0% |
| Sulphide (S) | Max 0.005% |
| Substance not precipitated by dilute H2SO4 (as SO4) | Max 0.2% |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 3262
IMCO Class No.: 8
Packing Group: II
Hazardous Statement: H302-H314-H332
Precaution Statement: P280-P305 + P351 + P338-P310