
SO₂
Sulphur Dioxide
Sulfur dioxide, (SO2) is an inorganic compound which has a pungent, irritating odour and is a heavy, colourless, poisonous gas. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture.

Grade
Technical grade
Cylinder Capacities
50kg
Tonner Capacities
900kg

ABOUT PRODUCT
Powering Industries with Sulphur Dioxide
What Is It
Sulphur dioxide is a colorless gas commonly used in various industries including food, beverage, and pharmaceuticals.
If you’re looking for reliable sulphur dioxide suppliers, you’ve come to the right place. We’re proud to offer high-quality sulphur dioxide that is supplied by Jaysons Chemical Industries, a leading producer of chemicals and fertilizers.
Preservation & Food-Grade Use
Sulphur dioxide is widely used as a preservative and antioxidant in the food industry, extending shelf life and preventing spoilage in dried fruits, juices, and other processed foods. It’s also used as a fumigant and bleaching agent in food and agricultural processing.
Industrial applications
Beyond food preservation, sulphur dioxide serves as a disinfectant, refrigerant, reducing agent, and bleach across water treatment, glass, and bulb manufacturing. It’s also a key intermediate in the preparation of sulphuric acid, sulphur trioxide, and sulphites, and is used to bleach wool and straw in textile and fibre processing.
Supply from Jaysons
Jaysons Chemical Industries has supplied sulphur dioxide since 1966, manufactured to technical-grade standards. We handle the full chain — manufacturing, quality control, and safe packaging — with sulphur dioxide supplied in 50 kg cylinders and 900 kg tonners, pan-India and to international markets.
Trusted by 1200+ Leading Brands Worldwide
WHY JAYSONS
60 years of ammonia expertise,
built into everything we do
Reliability and safety aren’t add-ons at Jaysons. They’ve been part of the process since 1966.
High-quality product
Technical grade sulphur dioxide, manufactured at our own facilities.
Direct manufacturer pricing, transparent quotes, no distributor markups.
Direct manufacturer pricing, transparent quotes, no distributor markups.
Range of packaging
Cylinders, tonners, tankers, and ISO tanks — matched to your requirement.
EXPERT GUIDANCE
Dedicated relationship manager and on-site support for every account.
RELIABLE SUPPLY CHAIN
Three owned manufacturing units with pan-India reach and buffer stock.
TIMELY DELIVERY
PESO-certified transport fleet with committed delivery schedules.
Ready to Source Sulphur Dioxide?
Trusted by 1200+ industrial clients across India. Tell us your requirement and we’ll recommend the right grade and packaging for your operation.
APPLICATIONS
Where Sulphur Dioxide Is Used
SO2 is one of the most widely used industrial gases — used across 12+ applications in 4 major sectors.
FOOD & PRESERVATION
REFRIGERATION & DISINFECTION
INDUSTRIAL MANUFACTURING
CHEMICAL MANUFACTURING
FAQS
Frequently Asked Questions
Is sulphur dioxide harmful to humans?
Exposure to Sulphur Dioxide may cause irritation to eyes, nose and throat.
What is sulphur dioxide used for?
Sulfur dioxide is used primarily as a preservative and sterilizing agent for dried fruits, some juices, and wine. It is also used in chemical manufacturing and as a bleaching agent for paper pulp. It is used in water treatment, as a fungicide and in the production of other chemicals. Sulfur dioxide is also used as a refrigerant and in fire suppression systems.
What is bad about sulphur dioxide?
The affect of sulphur dioxide on the respiratory system, particularly on the lung system is quite harmful.
Is sulfur dioxide safe in food?
Sulphur dioxide is widely used in the food industry for its preservation and antioxidant proeprties. therefore is considered to be harmless in this sector.
How do you remove sulfur dioxide from food?
Since sulphur dixode is water soluble, leaving the food item in warm water for a couple of minutes can be helpful to remove sulphur dioxide.
Is sulfur dioxide toxic or poisonous?
Exposure to Sulphur Dioxide over 100ppm can be considered to be very dangerous.
Is sulphur dioxide good for us?
Sulphur dioxide is not considered good for human health. It is an air pollutant and at high concentrations can cause respiratory problems and other health issues. It’s mainly used as a preservative for some processed food. People with sulfite sensitivity can have allergic-like reactions to it.
What are 3 common sources that give off sulfur dioxide?
Three common sources that give off sulfur dioxide are:
Burning of fossil fuels like coal, oil and natural gas in industries, power plants.
Volcanoes
Metal smelting and processing industry
Why is sulphur used in drugs?
Sulphur is used for the treatment of acne, it acts as a keratolytic agent and also kills bacteria.
How much sulfur dioxide is toxic?
Exposure to sulphur dioxide could be life threatening, even 100ppm sulphur di oxide is very dangerous.
Does sulphur dioxide affect the brain?
Sulphur in excess can cause brain cell death, and can lead to brain damage.
How does sulphur affect the human body?
Sulphur is low in toxicity to humans,however indigestion of too much sulphur can cause stomach ache and diarrhea.
Who is most at risk for sulfur dioxide?
People with respiratory conditions, such as asthma and chronic obstructive pulmonary disease (COPD) are most at risk for the health effects caused by sulfur dioxide. Long-term exposure to high levels of sulfur dioxide can lead to chronic respiratory problems, and can exacerbate existing respiratory conditions.
Which foods contain sulphur dioxide?
Sulphur dioxide is used as a preservatives so it is most likely to be found in dry fruits, pickles, sausages.
Is coffee high in sulfur?
Sulfur is present in many foods and beverages, including coffee. However, it is not considered to be a major component of coffee and is found in trace amounts.
What is the colour of sulphur dioxide?
Sulfur dioxide, as a gas, is not visible to the naked eye, and it does not have a distinct color. At high concentrations, it can appear as a hazy or whitish cloud. When sulfur dioxide is dissolved in water or other liquids, it can cause a slight yellowish or brownish coloration in the solution.
What is sulphur dioxide used for?
Sulphur dioxide is widely used as a preservative, bleaching agent, reducing agent, refrigerant, disinfectant, and in the manufacture of sulphuric acid and other industrial chemicals.
Which industries use sulphur dioxide?
Sulphur dioxide is used in food processing, pharmaceuticals, water treatment, glass manufacturing, paper bleaching, chemical manufacturing, refrigeration, and metal processing industries.
Is sulphur dioxide harmful to humans?
Yes, exposure to sulphur dioxide may irritate the eyes, nose, throat, and respiratory system. High exposure levels can lead to breathing difficulties and other serious health effects.
Is sulphur dioxide used in food preservation?
Yes, sulphur dioxide is commonly used in the food industry as a preservative and antioxidant to extend shelf life and prevent spoilage in dried fruits, juices, and processed foods.
How should sulphur dioxide be stored safely?
Sulphur dioxide should be stored in approved cylinders in cool, dry, and well-ventilated areas away from heat and incompatible materials. Proper safety equipment and ventilation systems should always be used during handling.
What are the common sources of sulphur dioxide?
Common sources of sulphur dioxide include fossil fuel combustion, industrial manufacturing processes, metal smelting, volcanic eruptions, and chemical processing industries.
Why choose Jaysons Chemical Industries for sulphur dioxide supply?
Jaysons Chemical Industries supplies high-quality sulphur dioxide with reliable packaging options, timely delivery, consistent product quality, competitive pricing, and expert technical support for industrial applications.
3
Manufacturing Facilities
PESO
Certified Operations
60+
Years of Industry Expertise
15+
Countries Served
