Calcium Sulfate Price & Suppliers in India

CAS: 7778-18-9
Formula: CaSO4Molecular Weight: 136.14 g/mol
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Also Known As
Basic Calcium Sulfate

Safety Information

Non-Hazardous Substance

Calcium Sulfate is generally considered non-hazardous, but dust inhalation should be avoided as it may cause mechanical irritation to the respiratory tract.

First Aid

Eyes: Flush with water for 15 minutes, seek medical attention if irritation persists.

Skin: Wash thoroughly with soap and water.

AboutCalcium Sulfate

Calcium Sulfate, commonly known as gypsum in its dihydrate form or anhydrite in its anhydrous form, is a naturally occurring mineral compound. In the Indian market, it is primarily sourced from high-purity mineral deposits or as a byproduct of chemical manufacturing processes, ensuring a consistent supply for diverse industrial needs.

In India, the construction sector is the largest consumer, utilizing the material for cement manufacturing and plaster-based building products. Beyond construction, it serves as a critical ingredient in the pharmaceutical industry as an excipient for tablet compression and in the plastics industry as a cost-effective filler that improves dimensional stability and thermal resistance.

When procuring Calcium Sulfate, buyers should verify the grade based on their specific application—Technical grade is typically sufficient for construction and plastics, while USP/BP/IP grades are mandatory for pharmaceutical and food-related applications. Ensure suppliers provide a Certificate of Analysis (COA) detailing heavy metal content and purity levels to meet regulatory standards.

Applications & Industries

Cement Setting

Setting time regulator in cement production

Drug Excipient

Tablet binder and filler in pharmaceuticals

Plastic Filler

Reinforcing agent in polymer compounding

Paint Extender

Inorganic pigment extender for surface coatings

Paper Coating

Brightness and opacity agent for paper

Soil Amendment

Calcium and sulfur source for agriculture

Price in IndiaCalcium Sulfate

Calcium Sulfate pricing in India depends on grade, order quantity, and delivery location, and it moves with market conditions — so a single fixed price is rarely accurate for a specific requirement.

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Calcium Sulfate
CAS: 7778-18-9
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Frequently Asked Questions

What is the price of Calcium Sulfate in India?

Calcium Sulfate prices in India vary by grade, order quantity and delivery location, and move with market conditions. To get the current price for your requirement, submit an enquiry on Chemical Dekho and receive verified quotes from suppliers and manufacturers within 24 hours.

What is the difference between Anhydrous and Dihydrate Calcium Sulfate?

Anhydrous (CaSO4) contains no water of crystallization, whereas Dihydrate (CaSO4·2H2O) contains two molecules of water; the choice depends on the specific thermal or chemical reaction requirements.

Is this product suitable for food applications?

Only if the product is specifically labeled as Food Grade and complies with FSSAI standards for purity and heavy metal limits.

How does it affect cement setting time?

It acts as a retarder, controlling the hydration of tricalcium aluminate to prevent flash setting of cement.

Can it be used in plastic compounding?

Yes, it acts as a functional filler to improve stiffness and reduce the overall cost of the polymer compound.

What is the typical lead time for bulk orders in India?

Standard lead time is 7-14 days depending on the quantity and logistics location within India.

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