1.06652

Sodium sulfite

EMPROVE^® ESSENTIAL, Ph. Eur., BP, NF, E 221

• Linear Formula: Na₂SO₃
• CAS Number: 7757-83-7
• Molecular Weight: 126.04
• MDL number: MFCD00003503
• UNSPSC Code: 12352302
• E Number: E221
• EC Index Number: 231-821-4

Properties

• agency: BP; NF; Ph. Eur.
• Quality Level: 500
• product line: EMPROVE^® ESSENTIAL
• form: solid
• pH: 8.8-10 (20 °C, 50 g/L in H₂O)
• mp: >500 °C (decomposition)
• solubility: 220 g/L
• density: 2.63 g/cm³ at 20 °C
• application(s): liquid formulation; pharmaceutical; semi-solid formulation; solid formulation
• storage temp.: 15-25°C
• SMILES string: [Na+].[Na+].[O-]S([O-])=O
• InChI: 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
• InChI key: GEHJYWRUCIMESM-UHFFFAOYSA-L

Description

General description

Finding the right excipient that matches your needs as well as regulatory demands can be a complicated challenge in formulation. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.
As part of our EMPROVE^® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC^® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

Sodium sulfite has reducing and anti-septic properties with broad range of applications in pharmaceutical, cosmetic and food industry. It is commonly used as preservative and antioxidant, especially for liquid and semi-solid application. In the food industry, it is used to help preserving food products and maintaining their fresh appearance.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR) and others.

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable