Description | |
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Catalogue Number | 102047 |
Replaces | CX0220; CX0220-1 |
Description | Calcium hydroxide |
Product Information | |
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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 |
Applications | |
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Application | Calcium hydroxide for analysis EMSURE® ACS,Reag. Ph Eur. CAS 1305-62-0, chemical formula Ca(OH)₂. |
Physicochemical Information | |
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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 | |
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LD 50 oral | LD50 Rat 7340 mg/kg |
Safety Information according to GHS | |
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Hazard Pictogram(s) | |
Hazard Statement(s) | H315: Causes skin irritation. H318: Causes serious eye damage. H335: May cause respiratory irritation. |
Precautionary Statement(s) | P260: Do not breathe dust. P280: Wear eye protection. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. 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. |
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 | |
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Hazard Symbols | Irritant |
Categories of danger | irritant |
R Phrase | R 37/38-41 Irritating to respiratory system and skin.Risk of serious damage to eyes. |
S Phrase | S 22-26-39 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection. |
Storage and Shipping Information | |
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Storage | Store at +5°C to +30°C. |
Specifications | |
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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. |