Sodium Dithionite Price & Suppliers in India

CAS: 7775-14-6
Formula: Na2S2O4Molecular Weight: 174.11 g/mol
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Also Known As
Disodium Hydrosulfite

Safety Information

Flammable Solid & Self-Heating

Contact with moisture or acids releases toxic sulfur dioxide gas and may cause spontaneous combustion.

First Aid

Eyes: Flush with water for 15 minutes and seek medical attention.

Skin: Wash thoroughly with soap and water; remove contaminated clothing.

About Sodium Dithionite

Sodium Dithionite, also known as sodium hydrosulfite, is a water-soluble salt that acts as a potent reducing agent. In its solid form, it is a white to pale yellow crystalline powder with a characteristic sulfurous odor. It is highly valued in industrial chemistry for its ability to donate electrons, making it indispensable for various chemical reduction processes.

In the Indian market, this chemical is a staple for the textile hubs of Gujarat and Tamil Nadu, where it is primarily used for the reduction of vat dyes and indigo. It also plays a vital role in the paper and pulp industry across India for bleaching processes, as well as in the mineral industry for the whitening of kaolin clay used in ceramics and paper coating.

When procuring Sodium Dithionite, buyers should prioritize suppliers who provide high-purity, stabilized grades to ensure consistent performance and safety. Due to its reactive nature, it is essential to verify the packaging integrity and storage conditions during transit to prevent moisture contact, which can lead to rapid decomposition and loss of potency.

Applications & Industries

Textile Dyeing

Reducing agent for vat dyes

Paper Bleaching

Whiteness enhancer for wood pulp

Clay Bleaching

Brightness improvement for kaolin clay

Chemical Synthesis

Strong reducing agent for reactions

Sugar Refining

Decolorization agent for sugar syrups

Sodium Dithionite Price in India

Sodium Dithionite 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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Sodium Dithionite
CAS: 7775-14-6
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Frequently Asked Questions

What is the price of Sodium Dithionite in India?

Sodium Dithionite 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.

Is Sodium Dithionite hazardous to transport?

Yes, it is classified as a dangerous good (Class 4.2) due to its self-heating properties and must be transported under strict safety protocols.

Why does the product have a sulfurous odor?

The odor is characteristic of the chemical and is often intensified if the product has been exposed to trace amounts of moisture.

Can I use this for food-grade applications?

Only if the specific batch is certified food-grade; standard industrial grades are not suitable for food processing.

How do I test the strength of the product?

The strength is typically verified via iodometric titration to determine the active Na2S2O4 content.

Does it react with air?

Yes, it is sensitive to oxygen and moisture, which is why it must be kept in airtight containers to prevent degradation.

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