Sulphur Dioxide (SO2) Supplier in Malaysia
- Also known as
- Sulfur Dioxide
- SO2
- Sulphurous Anhydride
Sulphur dioxide supplier enquiries in Malaysia cover industrial process, water-treatment, pulp and food or beverage requirements. Also spelled sulfur dioxide and written SO2, it is a colourless gas with a sharp odour and is commonly handled commercially as a liquefied gas under pressure for controlled dosing.
Industrial and food-process grades are selected by assay, moisture, acidity and non-volatile-residue requirements. A buyer should also define the receiving and dosing arrangement because gas quality, supply format and handling equipment are part of the same commercial requirement.
Manufacturers use sulphur dioxide to make sulphites and as a reducing or bleaching agent. Pulp and paper mills use it in process chemistry, water plants dose it for dechlorination, and beverage or fruit processors may specify controlled SO2 addition for relevant preservation and antioxidant steps.
Send the required grade, process use, specification, estimated consumption and delivery location with your enquiry. Availability, supply format, documentation and delivery timing are confirmed with the quotation. Supply is subject to applicable requirements.
- CAS number
- 7446-09-5
- Formula
- SO2
- Grade
- industrial, food and beverage process
- Appearance
- colourless gas or colourless liquefied gas with a sharp, pungent odour
Sulphur Dioxide 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 |
|---|---|---|---|---|
| Industrial sulphur dioxide | liquefied gas under pressure for controlled process use | — | Sulphite manufacture, reducing and bleaching duties, pH control and dechlorination in industrial processes that specify SO2. | Supply format is confirmed against the process and quotation. |
| Food and beverage process grade sulphur dioxide | liquefied gas or controlled process feed | — | Beverage, fruit-processing and related preservation or antioxidant steps that require a defined SO2 quality and controlled addition. | Supply format is confirmed against the process and quotation. |
| Buyer-specified high-purity sulphur dioxide | liquefied gas under pressure | — | Chemical synthesis and specialist process work that names tighter assay, moisture or non-volatile-residue controls. | Supply format is confirmed against the specification and quotation. |
How to buy sulphur dioxide from ChemTrade
Request a quote for sulphur dioxide
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 | sulphur dioxide, SO2 | — |
| Appearance | colourless gas or colourless liquefied gas | — |
| CAS number | 7446-09-5 | — |
| Grade controls | assay, moisture, acidity and non-volatile residue confirmed against the required grade | — |
Sulphur Dioxide applications
Safety and handling
- Classification
- toxic gas, gas under pressure
Keep the supply system secured in a cool, ventilated area away from heat, moisture and incompatible materials. Sulphur dioxide is a toxic, irritating gas and requires suitable closed handling equipment and trained procedures. Supply is subject to applicable requirements.
Common questions about sulphur dioxide
Are sulphur dioxide and sulfur dioxide the same product?
Yes. Sulphur dioxide is the British spelling and sulfur dioxide is the American spelling for SO2. Both refer to the same chemical identity.
Is sulphur dioxide supplied as a gas or liquid?
At normal conditions it is a gas, while commercial process supply is often handled as liquefied gas under pressure. State the receiving and dosing arrangement so the suitable supply format can be addressed in the quote.
Which grade should a food or beverage processor request?
State the application, the SO2 quality or impurity limits in the process specification, consumption rate and any document requirements. Food and beverage suitability is assessed against the exact proposed use and grade.
How is sulphur dioxide used for dechlorination?
Water and wastewater systems can dose SO2 as a reducing agent to remove residual chlorine. The treatment design, dosing equipment and target residual determine the requirement, so include those details when enquiring.
What details are needed for a sulphur dioxide quotation?
Provide grade, process use, specification, estimated consumption, receiving arrangement and delivery location. Supply format, documents and logistics are then confirmed with the quotation.