INS223 Preservative
INS223 Preservative
INS 223 is sodium metabisulphite (SMBS), a white crystalline salt that releases sulphur dioxide. It is a preservative and antioxidant in foods, and a reducing agent in water treatment, textiles and photography. Akshar Shop supplies it from Kolkata with GST invoice.
Key facts
| CAS No. | 7681-57-4 |
|---|---|
| Synonyms | Sodium pyrosulphite, SMBS, sodium disulphite |
| Chemical formula | Na2S2O5 |
| 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 INS223 Preservative
INS 223 is sodium metabisulphite (SMBS), a white crystalline salt that releases sulphur dioxide. It is a preservative and antioxidant in foods, and a reducing agent in water treatment, textiles and photography. Akshar Shop supplies it from Kolkata with GST invoice.
Uses and applications of INS 223 Sodium Metabisulphite
- Preservative and anti-browning agent in fruit pulps, squashes, dried fruit and starch where permitted.
- Dough conditioner in biscuits to soften gluten.
- Dechlorination and oxygen scavenging in water treatment and RO plants.
- Reducing and bleaching agent in textiles, leather and photographic processing.
Grades, forms and packing
Sodium metabisulphite is supplied as white powder or crystals in food, photo and technical grades. The exact grade, pack size and batch COA are shared with the quotation. For food applications, follow FSSAI regulations covering this additive and its permitted levels.
Why buy INS 223 Sodium Metabisulphite from Akshar Shop
- Clear quotations that state grade, pack size and documents before you order.
- Dispatch from our Kolkata base to buyers across India by road transport or courier.
- One supplier for related raw materials, which simplifies purchasing and paperwork.
Storage and handling
The material picks up moisture from air, so keep containers tightly closed and store in a cool, dry place; reseal part-used packs promptly. Keep it away from acids, which release sulphur dioxide gas. Wear gloves and goggles when handling and refer to the SDS for full safety information.
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 metabisulphite
- CAS No. : 7681-57-4
- Molecular formula : Na2S2O5
- Molar mass : 190.11 g/mol
- INS / E number : INS 223 / E223
- Function : Preservative, antioxidant
- Appearance : White powder or crystals with SO2 odour
- Solubility : Freely soluble in water
- HSN code : 2832
- Typical applications : Fruit products, biscuits, water treatment, textiles
Frequently asked questions about INS223 Preservative
Which industries buy INS 223 Sodium Metabisulphite?
INS 223 sodium metabisulphite is used as a preservative in fruit products, a biscuit dough conditioner and a dechlorinating agent in water treatment.
What is the CAS number of sodium metabisulphite?
Sodium metabisulphite has CAS number 7681-57-4 and formula Na2S2O5.
Which grade of INS 223 Sodium Metabisulphite should I choose?
That depends on your application. Tell us the end use and we will suggest a suitable grade and share its specification.
Do you deliver INS 223 Sodium Metabisulphite outside Kolkata?
Yes. We dispatch from Kolkata to buyers across India by road transport or courier, depending on quantity and the nature of the material.
Related products in Preservatives
Nature of Business: Trader & Supplier | Item: INS223 Preservative | Akshar Exim Company Pvt. Ltd., Kolkata