E222 Preservative
E222 Preservative
E222 is the food additive number for sodium bisulphite (sodium hydrogen sulphite, NaHSO3), a sulphite preservative and antioxidant. It is commonly supplied as a white powder or as solution and also has wide industrial use as a reducing agent.
Key facts
| CAS No. | 7631-90-5 |
|---|---|
| Synonyms | Sodium bisulfite, sodium hydrogen sulphite, E222 |
| Chemical formula | NaHSO3 |
| HSN code | 2832 |
| Dispatch from | Kolkata, West Bengal |
Last updated:
Why buy from Akshar Shop: COA / SDS on request · GST invoice with every order · dispatch from Kolkata, delivery across India.
About E222 Preservative
E222 is the food additive number for sodium bisulphite (sodium hydrogen sulphite, NaHSO3), a sulphite preservative and antioxidant. It is commonly supplied as a white powder or as solution and also has wide industrial use as a reducing agent.
Uses and applications of E222 Preservative
- Preservative and antioxidant in permitted foods and beverages (food grade, INS 222)
- Dechlorination in water and wastewater treatment
- Reducing agent in textile dyeing and bleaching
- Leather and pulp processing
- Oxygen scavenger and chemical intermediate
Grades, forms and packing
Sodium bisulphite is supplied as powder and as aqueous solution. Commercial solid material often contains sodium metabisulphite. Food use must follow FSSAI regulations, including permitted foods and maximum levels, and needs a food-grade lot with matching documents. Exact specifications are confirmed batch-wise on the COA, which we send with the quotation on request.
Why buy E222 Preservative from Akshar Shop
- Every order is billed on a GST invoice with the correct HSN code, so input tax credit is simple.
- COA for the supplied batch and SDS are available on request.
- Dispatch from Kolkata with delivery across India through suitable transport.
Storage and handling
Keep containers closed in a cool, dry place away from acids and oxidisers, as contact with acids releases sulphur dioxide. Wear gloves, goggles and a mask. Keep the original label on every pack and follow the SDS.
Related: E221 Preservative.
Need the grade, pack size or price? Send an enquiry or WhatsApp +91 92303 82749. COA and SDS are available on request.
Specification
- Chemical name : Sodium hydrogen sulfite
- CAS No. : 7631-90-5
- Molecular formula : NaHSO3
- Molar mass : 104.06 g/mol
- INS / E number : INS 222 / E222
- Appearance : White powder or solution with SO2 odour
- Solubility : Soluble in water
- HSN code : 2832
- Typical applications : Food preservation and dechlorination
Frequently asked questions about E222 Preservative
What is the difference between E222 and E223?
E222 is sodium bisulphite; E223 is sodium metabisulphite. Both release sulphur dioxide and are used similarly.
Is sodium bisulphite used outside food?
Yes, in water dechlorination, textiles, leather and pulp processing.
What should I mention when asking for a E222 Sodium Bisulphite quote?
Share the quantity, the grade or specification you need, your application and the delivery pin code. This helps us quote the right material and freight.
Is a GST invoice provided with E222 Sodium Bisulphite?
Yes. Every order is billed on a proper GST invoice from Akshar Exim Company Pvt Ltd, Kolkata, so you can claim input tax credit as applicable.
Related products in Preservatives
Nature of Business: Trader & Supplier | Item: E222 Preservative | Akshar Exim Company Pvt. Ltd., Kolkata