- Physics Lab Equipment
- Chemistry Lab Equipment
- Biology Lab Equipment
- Anatomical Lab Equipment
- Learning
- Educational Lab Equipment
- Magnets
- Agriculture
- Astronomy
- Earth Science
- Geography Lab Equipment
- Safety Lab Coat
- Laboratory
- Meteorological
- Electricity & Magnetism
- Heat
- School Lab Equipment
- Lab Glassware
- Science Lab Equipment
- Tvet Lab Equipment
- Robotics Kits Supplier and Manufacturer for Schools India
- Math Lab Equipment Manufacturers and Exporters in Ambala
- STEM Kits Manufacturers and Supplier India
- Engineering Lab Equipment
- Hospital Lab Equipment
- Water, Sanitation & Hygiene Supplies
- Cold Chain, Solar & Communication Equipment
- Nutrition
Potassium Meta Bisulphite
Potassium Meta Bisulphite (Product Code: SCL-935/210), often shortened to KMS, is a white salt used as a preservative and as a laboratory source of sulphur dioxide in chemistry, home science and food technology labs. It releases sulphur dioxide when it meets acid, and each 250 gm pack is analytical reagent grade with an MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, together with the school chemistry lab equipment in India that the company provides.
Specifications
| Parameter | Detail |
|---|---|
| Product | Potassium Meta Bisulphite (KMS) |
| Pack size | 250 gm |
| Grade | Analytical reagent |
| MSDS | Supplied with the pack |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. |
| Product code | SCL-935/210 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Potassium Meta Bisulphite Used For?
In food science and home science practicals, students add a measured pinch of KMS to fruit juices, squashes or pulp and compare how long treated and untreated samples take to ferment or grow mould, which demonstrates chemical preservation in a way that is easy to observe. In chemistry, a little of the salt warmed with dilute hydrochloric acid generates sulphur dioxide, which students identify by its sharp smell and by its ability to decolourise acidified potassium permanganate. The same reducing action explains why KMS is used to sterilise fermentation equipment and to stop browning of cut fruit.
Carry out the gas-generation test in a fume cupboard or near an open window, as sulphur dioxide irritates the airways and can trouble people with asthma. Keep the pack sealed and dry; damp salt slowly loses sulphur dioxide and becomes weaker. Buying from a lab consumables supplier in India that also stocks sodium benzoate lets a class compare two common preservatives side by side.
Supplier
Potassium Meta Bisulphite is supplied by Jain Scientific Equipments Private Limited, which trades as ScienceLab from Ambala, Haryana, India, to schools, colleges and food technology laboratories in India and international markets. For vendor registration, the supplying company is Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597, GSTIN 06AAECJ8618A1ZT). Learn more on the company profile page.
Related Chemistry Lab Products
Chemicals and storage items that fit into KMS experiments:
- Sodium Benzoate — a second preservative for comparison studies.
- Sodium Bisulphite — a related sulphite salt with similar reducing behaviour.
- Hydrochloric Acid Dilute — releases sulphur dioxide from the salt for gas tests.
- Potassium Permanganate — its acidified solution is decolourised by sulphur dioxide.
- Reagent Bottles For Solids — airtight storage for an opened pack.
Explore more reagents in the Chemistry Lab category.
Frequently Asked Questions
Who supplies Potassium Meta Bisulphite SCL-935/210?
Potassium Meta Bisulphite (SCL-935/210) is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, Ambala, Haryana, India. The company sources this analytical reagent in 250 gm packs with an MSDS and supplies laboratories in India and international markets; its vendor registration details appear in the Supplier section.
How much Potassium Meta Bisulphite is in one pack?
Each pack of Potassium Meta Bisulphite holds 250 gm. Only a pinch is needed to treat a juice sample or to generate sulphur dioxide in a test tube, so one pack lasts through many practical sessions in a home science or chemistry lab.
How does Potassium Meta Bisulphite preserve food?
In acidic foods, Potassium Meta Bisulphite releases sulphur dioxide, which slows the growth of yeasts, moulds and bacteria and also reduces browning of cut fruit. Students can see this by comparing treated and untreated juice samples kept side by side over several days.
Is Potassium Meta Bisulphite the same as sodium bisulphite?
No. Potassium Meta Bisulphite is a potassium salt, while sodium bisulphite is a sodium salt, and the two are listed as separate products. Both act as sources of sulphur dioxide and behave as reducing agents, so they are often compared in the same practical.
What is the shelf life of Potassium Meta Bisulphite?
Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. Keep Potassium Meta Bisulphite tightly closed in a cool, dry place away from acids, because damp salt slowly loses sulphur dioxide.
Can this Potassium Meta Bisulphite be used in actual food products?
This Potassium Meta Bisulphite pack is offered as an analytical reagent for laboratory work, not as a food ingredient. If your institution needs a food-grade material for production, ask us through the contact page before ordering so we can advise.
Request a Quote
To receive a quotation for Potassium Meta Bisulphite (SCL-935/210), share your quantity on the contact page, or add the item to the enquiry cart with the acids and indicators for your practical.
Last updated: 24 September 2026
