Calcium Hydroxide GR 500grm
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 102047.0500
Stock: In Stock
Description
| Catalogue Number | 102047 |
| Replaces | CX0220; CX0220-1 |
| Description | Calcium hydroxide |
Product Information
| CAS number | 1305-62-0 |
| EC number | 215-137-3 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | H₂CaO₂ |
| Chemical formula | Ca(OH)₂ |
| Molar Mass | 74.09 g/mol |
| HS Code | 2825 90 19 |
Physicochemical Information
| Density | 2.24 g/cm3 (20 °C) |
| Melting Point | 550 °C (decomposition) |
| pH value | 12.6 (H₂O, 20 °C) (saturated solution) |
| Bulk density | 400 kg/m3 |
| Solubility | 1.7 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 7340 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric) | ≥ 96.0 % |
| Substances insoluble in hydrochloric acid | ≤ 0.03 % |
| Carbonate (as CaCO₃) | ≤ 3.0 % |
| Chloride (Cl) | ≤ 0.005 % |
| Sulfur compounds (as SO₄) | ≤ 0.1 % |
| Heavy metals (as Pb) | ≤ 0.003 % |
| Fe (Iron) | ≤ 0.05 % |
| K (Potassium) | ≤ 0.05 % |
| Mg (Magnesium) | ≤ 0.5 % |
| Na (Sodium) | ≤ 0.05 % |
| Sr (Strontium) | ≤ 0.05 % |
| Conforms ACS, Reag. Ph. Eur. |
