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Sodium Bisulphite

Sodium Bisulfite

Sodium Bisulphite

At a glance

  • FormulaNaHSO₃
  • CAS No.7631-90-5
  • Also known assodium bisulphite, acid sodium sulphite
  • Common specificationsIndustrial and food grade
  • Packaging25kg、1000kg
  • Minimum orderFrom one bag; samples available

※ Need specific data, a batch inspection report or a sample? Call us and it will be arranged; quotations are given the same day.

Product overview

Sodium bisulphite is a white crystalline powder giving an acidic solution, with reducing properties. It is commonly used for dechlorination in water treatment, reduction in printing and dyeing, pulping in paper making and bleaching in food.

Specifications

※ The above are examples of common specifications; specific data, content and packaging are subject to mutual confirmation.

Main uses

Water treatment, reduction in printing and dyeing, paper, pulping, bleaching in food, dechlorination.

Buying notes

The solid slowly decomposes, releasing sulphur dioxide, so store it sealed and out of light; tell us in advance if you need the liquid form.

Storage and transport

Safety notes

FAQ

Is this the same as sodium metabisulphite?

No. The two differ in active content, so write the product name and application on the order to avoid the wrong goods.

Do you have both solid and liquid?

Normallysolid; if you needliquidPlease state the form in advance.

Can I buy just one bag? Can I get a sample first?

From one bag; you canSamplesconfirmed.

Solid or liquid — how to choose?

The solid form is easier to transport and store and is common in reduction and bleaching; the liquid form is mostly used for dosing in water treatment. Choose by application — if unsure, call us with your use.

How soon can you ship?

In-stock orders are arranged the same day, normally dispatched within 24–48 hours and shipped within a week; tell us if it is urgent.

What should we watch for in storage?

Store sealed, out of light and dry, away from strong oxidising agents; use soon after opening.

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