Sodium Metabisulphite (SMBS) — Industrial and Food Grades
Compare form, key specification and best application, then open the grade you need.
Sodium metabisulphite (SMBS) is supplied in industrial and food grades, including BASF-origin material. Industrial grades suit dechlorination, boiler feed-water oxygen scavenging and textile processing; the food grades (E223) suit preservation and wine and fruit-juice processing.
Also searched as: sodium metabisulfite, SMBS, sodium pyrosulfite, disodium disulfite.
Grades compared
| Grade | Form | Content / purity | SO₂ | Best application |
|---|---|---|---|---|
| Sodium Metabisulphite (SMBS) | White to off-white crystalline powder | Min 97.0% (result 97.10–97.28%) | Min 65.0% (result 65.54%) | Dechlorination and reducing agent in water treatment |
| Sodium Metabisulphite — BASF (Non-Food Grade) | White to off-white crystalline powder | On request | 65% Min | Reducing agent in chemical and pharmaceutical manufacturing |
| Sodium Metabisulphite (Food Grade) | White to off-white crystalline powder | 95.45% | 64.27% | Food and beverage preservative and anti-browning agent |
| Sodium Metabisulphite — BASF (Food Grade, E223) | White to off-white crystalline powder | On request | On request | Anti-melanosis agent for seafood preservation |
- Potassium metabisulphite (PMBS) is a different compound and has its own page.
Open a grade
Each grade page has the full specification, spec sheet and MSDS downloads, pack sizes and a quote form pre-filled with the product name.
White to off-white crystalline powder
White to off-white crystalline powder
White to off-white crystalline powder
White to off-white crystalline powder
Not sure which grade fits?
Tell us the application, quantity and delivery location — we recommend a grade and reply with an indicative price within 1 hour in business hours.
Request a Quote