Sodium metabisulfite (catalogue No. 106528) is a high-purity analytical reagent supplied under the EMSURE brand by Merck. It meets ACS and European Pharmacopoeia requirements and is used as a reducing agent, preservative and analytical reagent in chemical analysis, water treatment and laboratory workflows. The product is supplied in a wide range of pack sizes to support routine laboratory work as well as large-scale industrial applications.
Sodium metabisulfite, catalogue No. 106528, is a high-purity inorganic reagent supplied by Merck under the EMSURE product line. It meets ACS and Reag. Ph. Eur. specifications and is widely used in analytical chemistry as a reducing agent, antioxidant and preservative. Typical applications include chemical analysis, sample preparation, water treatment processes and general laboratory use. The reagent is supplied in solid form and offers consistent quality and reliability for regulated laboratory environments.
Advantages
- EMSURE grade ensuring reliable and reproducible analytical results.
- Complies with ACS and European Pharmacopoeia specifications.
- Suitable for analytical chemistry, water treatment and laboratory applications.
- Solid form allows accurate weighing and controlled dosing.
- Available in a broad range of packaging options for laboratory and industrial use.
Technical specifications
| Chemical name | Sodium metabisulfite (sodium disulfite) |
| CAS number | 7681-57-4 |
| Empirical formula | Na2S2O5 |
| Molecular weight | 190.10 g/mol |
| Grade | EMSURE ACS, Reag. Ph. Eur. |
| Form | Solid powder or granules |
| Pack sizes | 100 g; 500 g; 1 kg; 5 kg; 50 kg |
| Typical applications | Analytical chemistry, reducing agent, water treatment, laboratory reagent |
| Storage conditions | Store tightly closed in a dry place at room temperature |
| Brand | Merck |
