Kolkata Chemical: Your Trusted Supplier for Calcium Hydroxide in India

Kolkata Chemical: Your Trusted Supplier for Calcium Hydroxide in India

Kolkata Chemical takes pride in being the premier supplier, manufacturer, and distributor of Calcium Hydroxide in India. For years, we have been at the forefront of the chemical industry, ensuring top-quality products that adhere to global standards, setting a benchmark for competitors nationwide.

CAS NO: 1305-62-0

Formula: Ca(OH)₂

Product Description:

Calcium Hydroxide, also known as slaked lime or hydrated lime, is an inorganic compound that results from the reaction of calcium oxide with water. It is a white, powdery substance which is widely used in various industries due to its versatile properties.

Usage & Application:

Calcium Hydroxide has a wide range of applications including:

  • Water treatment: For softening and pH adjustment.
  • Food industry: Used as a food additive and preservative.
  • Construction: Used in mortar and plaster.
  • Leather industry: For the tanning process of hides.
  • And many more.

Product Parameters:

Grade Standard: Industrial Grade, Food Grade, Pharmaceutical Grade.

Certification: ISO 9001, ISO 14001, OHSAS/ OHSMS 18001

Purity: ≥ 98%

Appearance: White powder or granules


  • pH value: 12.4 – 12.8
  • Solubility: Partially soluble in water
  • Molecular weight: 74.093 g/mol

Our Advantages:

  1. Vast Experience: With years in the industry, we have honed our processes and sourcing, ensuring high quality and reliability.
  2. Cutting-edge Infrastructure: Our state-of-the-art facilities ensure efficient production and storage.
  3. Global Network: We supply to top cities worldwide, reinforcing our position in the global market.
  4. Client-centric Approach: Tailored solutions to fit unique client requirements.

Production Capacity:

50,000 tons annually

Quality Control:

Kolkata Chemical believes in stringent quality control measures. Our in-house labs and expert chemists ensure that every batch adheres to the highest standards.


We offer customized product variations to cater to the diverse needs of our clients.

Company Info:

Kolkata Chemical, headquartered in Kolkata, India, stands tall as a leading name in the world of chemical manufacturing and distribution. With our roots deeply seated in tradition and a vision for the future, we have been making strides in the chemical industry and beyond.


Products are packed in safe, durable materials ensuring safe transit and intact delivery.


  • Melting point: 580°C
  • Density: 2.211 g/cm³
  • Boiling point: Decomposes


Store in a cool, dry place. Keep away from moisture and direct sunlight.


Every batch undergoes rigorous inspection, ensuring it meets global standards.

Plant Area:

Spread across a sprawling 100,000 sq. ft. area equipped with the latest machinery.

Terms of Payment & Quotation:

For details, kindly contact us directly at kolkatachemical@gmail.com.

Nearest Port:

Kolkata Port

Import & Export Mode:

Through sea and air, ensuring swift and safe delivery.

Global Supply Cities:

We are proud to supply Calcium Hydroxide to top cities across the Middle East and around the world including Dubai, Riyadh, Abu Dhabi, Doha, Manama, Muscat, Istanbul, London, New York, Tokyo, Singapore, and many more.

Kolkata Chemical is more than just a name; it’s a promise of quality, reliability, and trust. Over the years, our commitment to excellence and client satisfaction has made us a dominant force in the chemical industry. Whether it’s the Middle East, Europe, Asia, or America, our footprints are visible across the globe, emphasizing our commitment and passion towards the chemical industry. Partner with us for a journey towards success and unmatched quality.

For any further inquiries, reach out to us at kolkatachemical@gmail.com.


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