What is Sodium Metabisulfite?


Sodium Metabisulfite is an industrial chemical made up of the elements sodium, sulfur, and oxygen. Sodium Metabisulfite is also known by the trading name of Sodium Pyrosulfite and is abbreviated as SMBS. Its chemical formula is Na2S2O5. It may appear as a white crystalline or powdered solid. It is water soluble and forms clear and colorless solutions.

This chemical has many industrial uses but primarily it is used for controlling depression of certain minerals in the mining industry.

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Sodium Metabisulfite Uses


Sodium Metabisulfite is an extremely useful chemical. It is a mining chemical most popularly used in the mining industry. Its uses are:

  • Sodium Metabisulfite is used in the mining industry for controlling depression of pyrites and sphalerite minerals.
  • SMBS is ideal for pH control in froth flotation process.
  • It is also useful in preventing flotation of sphalerite through copper activation.
  • It is also used in the paper industry in the pulp of the paper.
  • It is very effective in photographic industry. It acts as a preservative for photo films.
  • Its chlorine removal properties make it ideal for dechlorination of municipal drinking water and textile water treatment.
  • It is used as an oxygen scavenger to remove dissolved oxygen in wastewater.
  • It is used in the food packaging industry as a food preservative.
  • It prevents corrosion in the oil and gas industry.
  • It also acts as a bleaching agent for the production of coconut cream.

Is Sodium Metabisulfite Safe?


Sodium Metabisulfite is considered unsafe because the chemical is toxic. Exposure to this chemical can have acute or chronic health effects. According to the MSDS of SMBS, it can cause allergic respiratory or skin reactions. It can cause severe eye irritation or injury. It may be harmful if swallowed and may cause skin and respiratory tract irritation. Repeated contact may cause dermatitis. Proper storage and disposal of Sodium Metabisulfite needs to be taken into consideration in order to avoid any unwanted effects.

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How is Sodium Metabisulfite Made?


Industrially, Sodium Metabisulfite is prepared by treating a solution of sodium hydroxide with sulfur dioxide.

Where to Buy Sodium Metabisulfite in Bulk?


You may be able to find small quantities of Sodium Metabisulfite in your area. However, in order to buy large quantities of SMBS, it is preferable to import directly from the manufacturers. They can issue certifications and provide cost savings which is better than buying the chemical in small quantities locally or from a distributor.

If you require bulk quantities of this chemical, you can buy Sodium Metabisulfite on our website or contact us for further details.

What drives demand for Sodium Metabisulfite?


Since SMBS is relatively cheap and reliable, the main demand driver has been its effectiveness in controlling depression of certain minerals.

How long does it typically take to produce a container load?


Typically, 1 day, but this time frame may vary slightly depending on different factors.

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Which Countries Manufacture Sodium Metabisulfite in Bulk?


The consumption of Sodium Metabisulfite has increased dramatically across the world, especially in the developing countries. Therefore, its huge demand has led to a surge in companies that produce it. The main producers of SMBS are:

  • China
  • India
  • United States
  • Canada
  • Japan

How is Sodium Metabisulfite Exported?


Sodium Metabisulfite is shipped in:

  • 25kg PP/PE
  • 500kg PP/PE
  • 1000kg PP/PE

What is the Latest Sodium Metabisulfite Price?


As Sodium Metabisulfite is a commodity product, the price usually changes depending on the price of raw materials, logistics and other related industrial inputs such as labor and taxes. In order to get the latest price of SMBS, please contact us and we will provide a quotation right up to your country.

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Where to Buy Sodium Metabisulfite?


Here at Camachem we have Sodium Metabisulfite for sale. We export worldwide, so you can contact us for a FREE quotation via email address [email protected] or send a message on WhatsApp for a fast response at +86-131-2037-9271.