
Calcium Hydroxide CAS 1305-62-0 Powder Granular
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Calcium Hydroxide CAS 1305-62-0 Powder Granular
Calcium Hydroxide is an inorganic alkaline chemical widely used in environmental treatment, construction, agriculture and industrial processing, with the molecular formula Ca(OH)2. Featured with CAS 1305-62-0, this high-purity solid product is available in powder and granular forms. It holds valid REACH registration, and MSDS download is accessible to support global import clearance, safety evaluation and industrial compliance requirements.


Calcium Hydroxide Aliases
Common industrial aliases of Calcium Hydroxide include Slaked Lime, Hydrated Lime, Calcium Hydrate, Caustic Lime and Lime Hydrate. These names appear frequently in international chemical procurement, water treatment, construction material and agricultural input industries.
Product Specifications
The table below shows the most commonly used industrial grade technical indicators of Calcium Hydroxide for bulk overseas procurement:
| Inspection Item | Industrial Grade Standard |
|---|---|
| Calcium Hydroxide Purity | ≥95.0% |
| Calcium Oxide Content | ≤2.0% |
| Moisture Content | ≤1.0% |
| Water Insoluble Matter | ≤0.5% |
| pH Value (1% Solution) | 12.0–13.5 |
| Particle Size (200 Mesh Pass) | ≥90% |
Product Traits & Physical Properties
Calcium Hydroxide is a white inorganic solid presented as fine powder or small granular particles, with no characteristic odor. As a strong base, it reacts with acids to form calcium salts and releases heat in the presence of moisture. The product is slightly soluble in water, forming an alkaline suspension commonly known as lime milk. It has a density of approximately 2.24 g/cm³ at 20°C and absorbs carbon dioxide from air to gradually form calcium carbonate. Calcium Hydroxide offers stable performance under normal storage conditions, making it suitable for long-distance transportation and various industrial applications.
Product Applications
Calcium Hydroxide plays an important role in multiple global industries. In water treatment, it is used for pH adjustment, heavy metal precipitation and microbial control. In construction and civil engineering, it contributes to mortar, plaster and soil stabilization systems. In agriculture, Calcium Hydroxide supports soil pH correction and plant disease management. It is also applied in chemical manufacturing, leather processing, flue gas desulfurization and food processing auxiliary treatment. With REACH registration and available MSDS download, the product meets international safety and environmental standards for cross-border bulk trade.
FAQ
1. What are the main differences between powder and granular Calcium Hydroxide?
Powder Calcium Hydroxide dissolves and disperses more quickly, making it suitable for water treatment, liquid mixing and fine chemical formulation. Granular Calcium Hydroxide provides better flowability, lower dust generation and easier handling, which is more suitable for agricultural application, construction mixing and bulk dosing systems.
2. What documents are required for importing Calcium Hydroxide?
International import of Calcium Hydroxide typically requires safety data sheet, specification sheet, packaging information and relevant compliance documents. The product supports MSDS download and holds REACH registration, helping importers meet EU chemical regulations and destination country safety requirements.
3. How should bulk Calcium Hydroxide be stored?
Bulk Calcium Hydroxide should be stored in dry, cool and well-ventilated warehouses, away from moisture, acids and incompatible materials. Sealed packaging prevents caking and maintains stable alkalinity during storage. Proper inventory control helps avoid quality changes caused by long-term exposure to air and humidity.

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