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Calcium Hydroxide | CAS Number: 1305-62-0

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Calcium hydroxide, also known as slaked lime or hydrated lime, is a chemical compound formed when calcium oxide (quicklime) reacts with water. It is a white, crystalline powder with a slightly alkaline taste and has low solubility in water. Calcium hydroxide is an alkaline substance, and its water solution is referred to as lime water.

Packaging Type

hdpe drum

Ca(OH)2

hdpe drums

Calcium Hydroxide TDS

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Calcium Hydroxide MSDS

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MS Data Sheet

Chemical Name

Calcium Hydroxide

Industry

Water Treatment & Mining

Application of Calcium Hydroxide

  1. Construction Industry: Calcium hydroxide is used in the construction industry as a key component of mortar and plaster. It reacts with carbon dioxide in the air to form calcium carbonate, contributing to the hardening of structures.
  2. Soil Amendment: Calcium hydroxide is applied in agriculture as a soil amendment to improve soil structure and reduce acidity. It is often used to treat acidic soils.
  3. Water Treatment: Calcium hydroxide is utilized in water treatment processes for the softening of hard water by precipitation of calcium carbonate.
  4. pH Adjustment: It is added to industrial processes and wastewater treatment for pH adjustment.
  5. Food Industry: It is also used in the food industry for pickling and preserving certain foods.
  6. Dental Applications: In dental applications, calcium hydroxide is used in certain dental cements and materials. 

Specifications of Calcium Hydroxide

SYNONYMS

Calcium dihydroxide Slaked lime Hydrated lime Lime Milk of lime

MOLECULAR WEIGHT

74.093 g/mol

CAS NUMBER

1305-62-0

CHEMICAL FORMULA

Ca(OH)2

HS CODE

28259040

DENSITY

2.211 g/cm3

MELTING POINT

580 °C

BOILING POINT

Not Specified

VISCOSITY

Not Specified

SHELF LIFE

1 year

TYPICAL PROPERTIES

Not Specified

About Calcium Hydroxide

Calcium Hydroxide, also known as slaked lime, is a finely processed chemical compound that is widely used in various industries for its strong alkaline properties. Produced by top-tier calcium hydroxide manufacturers, this high-purity compound is known for its consistent performance and reliability in industrial applications. Its fine powder form makes it easy to handle and incorporate into different mixtures, allowing for precise control in various processes.


The chemical structure of Calcium Hydroxide makes it a powerful neutralizing agent, offering the ability to raise pH levels in acidic environments. This property is particularly valued in industries that require rapid and efficient pH adjustments. Its ability to react quickly with acids to form water and calcium salts allows it to perform essential functions without leaving harmful residues, ensuring the purity of the final product.


Calcium Hydroxide also stands out due to its strong binding properties, making it a key component in the construction industry. It is frequently used in cement, plaster, and mortar formulations to improve workability and enhance the overall durability of the materials. Its fine consistency ensures even distribution throughout the mix, resulting in a smooth, cohesive texture that hardens into a solid, long-lasting structure.


In addition to its functional properties, Calcium Hydroxide is known for its long shelf life and stability, making it a cost-effective solution for industries that require large quantities of material over extended periods. Properly packaged and stored, it maintains its chemical integrity, ensuring consistent results even after long-term storage.


Calcium Hydroxide is environmentally friendly, as it naturally decomposes into harmless substances. This characteristic makes it an appealing option for industries seeking sustainable, green solutions for their processes. Its versatility and effectiveness across multiple industries have made it an essential chemical compound with a wide range of uses.


When sourced from a reputable calcium hydroxide manufacturer, customers are guaranteed a product that meets high-quality standards and performs reliably across a variety of applications, ensuring that industrial processes remain efficient and safe.


Features of Calcium Hydroxide

  • Water Treatment: Efficient in softening water and removing impurities.

  • Construction Use: Acts as a binding agent in cement and plaster formulations.

  • Chemical Neutralizer: Used in pH control and chemical processing.

  • High Reactivity: Ensures quick and effective reactions in industrial processes.

  • Cost-Efficient: An affordable solution for various applications.

  • Environmentally Friendly: A natural and safe product for industrial use.

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Calcium Hydroxide FAQs

What are the main uses of Calcium Hydroxide?

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Is Calcium Hydroxide the same as lime or quicklime?

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How does Calcium Hydroxide contribute to waste treatment?

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Does Calcium Hydroxide have any environmental impact?

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Is Calcium Hydroxide corrosive?

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