Preservative · Ingredients & raw materials
Sodium metabisulphite (INS 223)
7+ suppliers
Releases sulphur dioxide to preserve and prevent browning in dehydrated vegetables, dried fruit, squashes and sharbats, fruit pulp, wine and seafood, and acts as a dough conditioner in biscuits. Permitted under the FSSAI SULFITES group with limits expressed as SO2 per food category; labels must declare sulphite above 10 mg/kg.
Grade 2
- Food grade
- Pharma grade (IP/BP)
Pack size 3
- 1 kg pouch
- 25 kg bag
- 50 kg bag
Spec
- INS number
- 223
- CAS number
- 7681-57-4
- Formula
- Na2S2O5
- Appearance
- White to creamy white crystalline powder, sulphurous odour
- Assay
- 96 to 97% min as Na2S2O5
- SO2 content
- 64 to 65% min
- pH (5% solution)
- 4.0 to 5.5
- Standard met
- FSSAI, FCC, IP, BP
- Shelf life
- 12 months
- Storage
- Cool, dry, airtight; loses SO2 when exposed to air
- Usual minimum
- 25 kg
- HSN code
- 28321090
- GST
- 18%
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