Potassium Metabisulfite Supplier in Malaysia
- Also known as
- Potassium Metabisulphite
- Potassium Pyrosulfite
- Potassium Pyrosulphite
- E224
Potassium metabisulfite supplier enquiries in Malaysia cover food, beverage, brewing, water-treatment and industrial process requirements. Also spelled potassium metabisulphite and potassium pyrosulphite, and identified as E224 or K2S2O5, it is a water-soluble crystalline reducing salt.
Commercial options include food grade, brewing or winemaking grade, and technical or industrial crystalline powder and granules. Buyers should state the required sulphite or sulphur-dioxide basis, moisture and impurity limits because the application determines the relevant specification.
Food and beverage processors use potassium metabisulfite where the product specification names the potassium salt. Technical grades may be used for dechlorination, oxygen-scavenging and reducing duties in water, textile, pulp and other manufacturing processes.
Send the required grade, specification, application, quantity and delivery location with your enquiry. Availability, packing, documentation and delivery timing are confirmed with the quotation, subject to applicable requirements.

- CAS number
- 16731-55-8
- Formula
- K2S2O5
- Grade
- food, technical, industrial, brewing
- Appearance
- white to off-white crystalline powder or granules
Potassium Metabisulfite grades and forms
We supply several forms to suit different formulating and dosing setups. If you need a size that is not listed, ask us.
| Grade | Form | Assay | Typical use | Packing |
|---|---|---|---|---|
| Food grade potassium metabisulfite | white crystalline powder or granules | — | Food and beverage processing where potassium metabisulfite or E224 is named as the required antioxidant or sulphur-dioxide-generating processing input. State the product specification with the enquiry. | Confirm the required pack format with the quotation. |
| Brewing and winemaking grade potassium metabisulfite | crystalline powder or granules | — | Brewing, winemaking and beverage-process duties where a defined potassium metabisulfite grade is selected for antioxidant, reducing or sanitising process work. Confirm the application and specification before quoting. | Confirm the required pack format with the quotation. |
| Technical and industrial potassium metabisulfite | white to off-white crystalline powder or granules | — | Dechlorination, reducing, oxygen-scavenging and selected textile, pulp and manufacturing applications where potassium metabisulfite is specified. | Confirm the required pack format with the quotation. |
How to buy potassium metabisulfite from ChemTrade
Request a quote for potassium metabisulfite
Use the form below to request a quotation. You can also email sales@chemtrademalaysia.com or send us a message on WhatsApp.
Specifications
| Parameter | Value | Method |
|---|---|---|
| Chemical identity | potassium metabisulfite / potassium metabisulphite (K2S2O5) | — |
| CAS number | 16731-55-8 | — |
| Appearance | white to off-white crystalline powder or granules | — |
| Solubility | soluble in water | — |
| Acid reaction | releases sulphur dioxide in acidic conditions | — |
| Grade controls | assay, sulphur dioxide or available sulphite basis, iron, heavy metals, insoluble matter and moisture confirmed against the required grade | — |
Potassium Metabisulfite applications
Safety and handling
Store sealed and dry away from acids, moisture and incompatible oxidising materials. Avoid dust and follow the safety information for the quoted grade. Supply is subject to applicable requirements.
Common questions about potassium metabisulfite
Is potassium metabisulfite the same as potassium metabisulphite?
Yes. Potassium metabisulfite is the American spelling and potassium metabisulphite is the British spelling for K2S2O5. Potassium pyrosulfite and E224 are also established names, but grade and application still need to be stated separately.
Is potassium metabisulfite the same as sodium metabisulfite?
No. Potassium metabisulfite and sodium metabisulfite are different salts with different cations and purchasing specifications. State the potassium or sodium requirement explicitly, especially when the process controls ionic composition or ash contribution.
Which potassium metabisulfite grade should I request?
Food grade is used when a food or beverage specification names potassium metabisulfite or E224. Brewing and winemaking requirements should include the process and sulphite basis, while technical or industrial grade suits dechlorination and reducing duties. Send the written specification with the enquiry.
What is potassium metabisulfite used for in water treatment?
Technical potassium metabisulfite can be specified for dechlorination and reducing duties where the process calls for a potassium metabisulfite source. State the residual oxidant, dosing method, sulphite basis and water-system requirements so the grade can be assessed against the process.
What specifications should be included in a potassium metabisulfite enquiry?
Provide the grade, assay or available sulphite basis, moisture, iron or heavy metal limits, application, quantity and delivery location. For food, brewing or winemaking use, include the applicable product specification and required documents.
How is potassium metabisulfite packed and priced?
Pack format and price depend on grade, specification, quantity and delivery requirements. State the preferred pack and any documents needed with the enquiry; commercial terms and price validity are confirmed in the quotation.
