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Sodium Meta bi Sulphite Manufacturer and Supplier

CAS No.: 7681-57-4; 7757-74-6 |EC Number.: 231-673-0| Molecular formula.: Na2S2O5Na2O5S2

Sodium Meta bi Sulphite

Sodium Meta bi Sulphite Manufacturers, Sodium Meta bi Sulphite Suppliers, Sodium Meta bi Sulphite Price, Sodium Meta bi Sulphite Formula, Sodium Meta bi Sulphite Exporter in Mumbai, India.

Vinipul Chemicals Pvt. Ltd., a renowned manufacturer, supplier, and exporter based in India, specializes in the production of high-purity Sodium Meta bi Sulphite CAS no: 7681-57-4. As a reliable Sodium Meta bi Sulphite manufacturer, our company is widely recognized for providing Na2S2O5 with exceptional quality, ensuring its accurate composition and freedom from impurities. We achieve this by utilizing superior purity chemicals and employing the latest manufacturing equipment that adheres to international industry standards.

As a reliable Sodium Meta bi Sulphite supplier, we take pride in offering chemicals of the highest quality. Our product is carefully formulated to meet the specific requirements of our customers, guaranteeing precise composition and excellent performance. Additionally, our Sodium Meta bi Sulphite exhibits an impressive shelf life, ensuring long-lasting usability.

Whether you are in need of Sodium Meta bi Sulphite for industrial applications, research purposes, or any other specialized use, you can rely on the leading Sodium Meta bi Sulphite suppliers like Vinipul Chemicals Pvt. Ltd. to provide you with a dependable supply of this essential chemical. As prominent Sodium Meta bi Sulphite manufacturers in India, We are dedicated to delivering products that meet the highest standards of quality, purity, and performance.

Sodium Meta bi Sulphite Specification

Chemical name

Sodium Meta bi Sulphite


7681-57-4; 7757-74-6

EC Number


Commercial name / Synonyms

Sodium metabisulfite, 7681-57-4, Sodium pyrosulfite, Sodium disulfite, Disodium disulphite, Disodium pyrosulfite, Sodium metabisulphite, Disodium disulfite, Disodium metabisulfite

Molecular formula


Molecular Weight

190.11 g/mol

Melting Point

greater than 302 °F (Decomposes) (NIOSH, 2016)



Physical Form 

White hexagonal Crystals or powder

Physical Appearance 

White crystalline or powder solid with a slight sulfur odor.

Packaging Details 

25 kg / 50 kg / HDPE packaging bags / Drum/ As per Client’s requirements

What is Sodium Meta bi Sulphite?

Sodium Meta bi Sulphite, also known as disodium metabisulfite or sodium pyrosulfite, is an inorganic compound with the chemical formula Na2S2O5. It is commonly used for various purposes such as a disinfectant, antioxidant, and preservative agent. When sodium metabisulfite is dissolved in water, it forms sodium bisulfite. Sodium metabisulfite chemical formula has diverse applications across industries, including food and beverage, water treatment, photography, and the production of certain chemicals. Its use as a preservative is particularly notable, as it helps inhibit the growth of microorganisms and prolong the shelf life of various products.

Sodium Meta bi Sulphite Price

If you are looking to purchase Sodium Meta bi Sulphite, it’s important to know the current market price. Sodium Meta bi Sulphite price can vary depending on the various factors. Vinipul Chemicals offers the best price in the market listed below: –

Product Range


Sodium Meta bi Sulphite

Rs 105/kg

Prices shown above are provisional prices and may change due to different market conditions for latest prices

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+91-932 223 1817

Properties of Sodium Meta bi Sulphite

Sodium Meta bi Sulphite, also known as sodium metabisulphite, possesses several notable properties. Here are some key characteristics of Sodium Meta bi Sulphite:

Chemical Composition

It is represented by the chemical formula Na2S2O5, indicating its composition of two sodium (Na) atoms, two sulfur (S) atoms, and five oxygen (O) atoms.

Physical AppearanceOdor

Sodium Meta bi Sulphite has a characteristic sulfur-like odor.

Physical State

It is most commonly found as a white crystalline powder or solid.


Sodium Meta bi Sulphite is soluble in water, and the solubility increases with higher temperatures.

Acidic Nature

It is acidic in nature, and when dissolved in water, it releases sulfur dioxide (SO2), which contributes to its acidic properties.

Preservative Properties

Sodium Meta bi Sulphite is widely used as a preservative in various industries, including food and beverages, pharmaceuticals, and water treatment. It helps inhibit the growth of microorganisms and extends the shelf life of products.


It acts as an antioxidant by preventing the oxidation of certain substances, thereby maintaining their freshness and quality.

Bleaching Agent

It is utilized as a bleaching agent in industries such as textiles and pulp and paper and can effectively remove colorants and brighten materials.

Reducing Agent

Due to its ability to release sulfur dioxide, Sodium Meta bi Sulphite is commonly employed as a reducing agent in chemical reactions.

Sodium Meta bi Sulphite Applications

Sodium Meta bi Sulphite finds a wide range of industrial applications due to its various properties and functions. Here are some sodium metabisulphite use:

  1. Food and Beverage Industry: Sodium metabisulphite in food is widely used as a preservative to extend the shelf life of various products. Sodium Meta bi Sulphite in food inhibits the growth of bacteria, fungi, and other microorganisms, thereby preventing spoilage. It is also used as a food antioxidant, helping to prevent oxidation and maintain the color, flavour, and quality of food and beverages.
  2. Water Treatment: Sodium Meta bi Sulphite is employed in water treatment processes. It acts as a reducing agent, removing chlorine and chloramines from water. It also helps control the growth of algae and bacteria in water systems, such as swimming pools, cooling towers, and industrial water treatment plants.
  3. Photography: In the field of photography, it is used as a developing agent. Sodium Meta bi Sulphite helps reduce the exposed silver halides to metallic silver during film and print development processes.
  4. Textile Industry: Sodium Meta bi Sulphite is utilized in textile processing as a bleaching agent. It helps remove excess dye and impurities from fabrics, improving their appearance and colorfastness.
  5. Chemical Production: It serves as a source of sulfur dioxide (SO2) in various chemical reactions. Sodium Meta bi Sulphite is used in the production of dyes, pharmaceuticals, and other chemical compounds.
  6. Mining Industry: Sodium Meta bi Sulphite is employed in the mining industry for the removal of mercury from ores and concentrates. It acts as a reducing agent and helps in the purification process.
  7. Pulp and Paper Industry: Sodium Meta bi Sulphite is used as a pulping agent in the production of pulp and paper. It helps break down lignin and brighten the fibers, improving the quality of paper products.

These are just a few examples of Sodium Meta bi Sulphite uses. Its versatile properties make it a valuable chemical compound in various industries.

About Vinipul Chemicals

Vinipul Chemicals Pvt. Ltd. is a well-known Indian company that excels in manufacturing, supplying, and exporting various chemical products. One of their specialties lies in the production of high-purity Sodium Meta bi Sulphite. With a strong reputation in the industry, Vinipul Chemicals has established itself as a reliable and trusted source for Sodium Meta bi Sulphite, a compound widely used in diverse applications. Our commitment to quality and expertise in chemical manufacturing makes us a preferred choice for customers seeking premium-grade Sodium Meta bi Sulphite products.

Industries We Serve

Market Area

We supply and exports Sodium Meta bi Sulphite in all parts of the world such as

Sodium Meta bi Sulphite in Africa Countries

South Africa , Nigeria, Kenya, Ghana, Ethiopia, Tanzania, Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic (CAR), Chad, Comoros, Democratic Republic of the Congo, Côte d’Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Gabon, Gambia, Guinea, Guinea-Bissau, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Nigeria, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Sierra Leone, Somalia, South Sudan, Sudan, Swaziland, Togo, Tunisia, Uganda, Zambia, Zimbabwe.

Sodium Meta bi Sulphite in Gulf Countries

Oman, Qatar, Kuwait, Saudi Arabia, Dubai, Bahrain, Iran, United Arab Emirates

Sodium Meta bi Sulphite in Asia Countries

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, China, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Oman, Pakistan, Palestine, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

We supply Sodium Meta bi Sulphite in all parts of India.

Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttarakhand, Uttar Pradesh and West Bengal.

Note: – Please be advised that the information contained in this document is intended for illustrative purposes only. Due to variations in product grade, applications, industries, or uses, the accuracy of the information provided cannot be guaranteed. © Copyright 2023 © Vinipul Chemicals All Rights Reserved (Terms of Use). Reproduction of any material from this site is strictly prohibited without permission. Vinipul Chemicals products are exclusively sold through the company’s website. For precise product specifications and requirements, as well as advice on which products are best suited for your specific application needs, please contact us at [email protected] Use Terms | Privacy.

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