Sodium metabisulfite PurCert Secondary Reference Standard (CRM) [Includes all characterization data]
CRM
Synonym: Sodium disulfite, Sodium pyrosulfite
Linear Formula:
Na2S2O5
Molecular Weight: 190.11 g/mol
CAS Number: 7681-57-4
Properties
| Water Solubility | soluble 650 g/L at 20 °C |
| Assay Purity | >= 90 % |
| M pt. | >300 °C (lit.) |
| Density | 1.480 g/cm3 |
| Form | Solid |
Safety Information
| Hazard Statement(s) | H302,H318 |
| Precautionary Statement | P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501 |
| GHS Pictogram |
|
| Signal word | Danger |
| HS Code | 28321090 |
| Storage Temp. | Room Temperature |
| Storage Class | 13 - Non Combustible Solids |
| UN Number | NA |
Description
Application
Sodium metabisulfite is used in food and beverage preservation water treatment pharmaceuticals textile processing pulp and paper manufacturing and photographic processing.
Purpose
The primary purpose of sodium metabisulfite is to prevent oxidation inhibit microbial growth remove chlorine and improve the stability and quality of products during processing and storage.
General Description
Sodium metabisulfite is a white crystalline powder with a strong reducing and antioxidant property. It is widely used as a preservative disinfectant and chemical processing agent.
Documents
| SDS | |
| COA | |
| Specification | |
| Bulk quote order form | |
| Sample COA |
