Barium Hydroxide Octahydrate GR 500grm
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 101737.0500
Stock: In Stock
Description
| Catalogue Number | 101737 |
| Synonyms | Caustic baryta, Barium oxide hydrate octahydrate |
Product Information
| CAS number | 12230-71-6 |
| EC index number | 056-002-00-7 |
| EC number | 241-234-5 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | BaH₂O₂ * 8 H₂O |
| Chemical formula | Ba(OH)₂ * 8 H₂O |
| Molar Mass | 315.48 g/mol |
| HS Code | 2816 40 00 |
Physicochemical Information
| Density | 2.18 g/cm3 (20 °C) |
| Melting Point | 78 °C |
| pH value | 14 (H₂O, 20 °C) (saturated aqueous solution) |
| Bulk density | 900 - 1100 kg/m3 |
| Solubility | 72 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 550 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric) | ≥ 98.0 % |
| Substances insoluble in dilute hydrochloric acid | ≤ 0.005 % |
| Carbonate (as BaCO₃) | ≤ 2.0 % |
| Chloride (Cl) | ≤ 0.001 % |
| Sulphide (S) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.002 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.01 % |
| Na (Sodium) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.001 % |
| Sr (Strontium) | ≤ 0.5 % |
| Corresponds to ACS,ISO,Reag. Ph Eur |
