| Identification | |
| Name: | Calcium hydroxide |
| Synonyms: | Hydrated lime; Slaked lime |
| CAS: | 1305-62-0 |
| EINECS: | 215-137-3 |
| Molecular Formula: | Ca(OH)2 |
| Molecular Weight: | 74.09 |
| InChI: | InChI=1/Ca.2H2O/h;2*1H2/q+2;;/p-2/rCaH2O2/c2-1-3/h2-3H |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 1759 |
| Stability: | Stable. Incompatible with strong acids. |
| Appearance: | white powder or colourless, slightly cloudy, aqueous solution |
| Specification: | Calcium hydroxide , with CAS number of 1305-62-0, can be called agriculturallime;Bell mine ; bellmine ; biocalc ; Ca(OH)2 ; Calcium hydroxide (Ca(OH)2) ; calciumhydroxide(Ca(OH)2) ; calciumhydroxidechemicallime. Fire Fighting Measures of Calcium hydroxide (CAS NO.1305-62-0): General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is nonflammable. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Handling and Storage of Calcium hydroxide (CAS NO.1305-62-0): Handling: Avoid breathing dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Storage: Store in a cool, dry place. Store in a tightly closed container. Do not expose to air. |
| Report: | Calcium hydroxide (CAS NO.1305-62-0) is reported in EPA TSCA Inventory. |
| Packinggroup: | III |
| Storage Temperature: | Store at RT. |
| Sensitive: | Air Sensitive |
| Color: | Crystals or soft granules or powder Colorless, hexagonal Rhombic, trigonal, colorless crystals White powder White powder [Note: Readily absorbs CO2 from the air to form calcium carbonate]. |
| Safety Data | |
| Hazard Symbols |
Xi:Irritant
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