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LC1239 Calcium hydroxidefor the preparation of DIN 19266 pH standard buffer solutions |
| Order number | Packaging | Quantity | Price € |
| AC28239 | Glass bottle | 25 g | 48.60 |
| Product information | |
| Hill Formula | H2CaO2 |
| Chemical formula | Ca(OH)2 |
| HS Code | 2825 90 19 |
| EC number | 215-137-3 |
| Molar mass | 74.09 g/mol |
| CAS number | 1305-62-0 |
| Chemical and physical data | |
| Solubility | 1.7 g/l (20 °C) |
| Melting point | 550 °C (decomposition) |
| Molar mass | 74.09 g/mol |
| Density | 2.24 g/cm3 (20 °C) |
| Bulk density | 400 kg/m3 |
| pH value | 12.6 (H2O, 20 °C) (saturated solution) |
| Boiling point | 2850 °C (decomposition) |
| Vapor pressure | (20 °C) |
| Safety information according to GHS | |
| Hazard Statement(s) | H318: Causes serious eye damage. |
| Precautionary Statement(s) | P280: Wear protective gloves/eye protection/face protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/attention. |
| Signal Word | Danger |
| Hazard Pictogram(s) |  |
| RTECS | EW2800000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Safety information | |
| R Phrase | R 41 Risk of serious damage to eyes. |
| S Phrase | S 22-24-26-39 Do not breathe dust.Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection. |
| Categories of danger | irritant |
| Hazard Symbol |  Irritant |
| Toxicological data | |
| LD 50 oral | LD50 rat 7340 mg/kg |
| Specifications | |
| pH-value (25°C) | 12.43 – 12.47 |