Quick Details
| Classification: Sulphate | Type: Sodium Metabisulfite | CAS No.: 7631-90-5 |
| Other Names: Sodium Pyrosulfite | MF: Na2S2O5 | EINECS No.: 231-673-0 |
| Place of Origin: China (Mainland) | Grade Standard: Agriculture Grade, Food Grade, ... | Purity: 98%min |
| Appearance: white | Application: food additive | Brand Name: sinoright |
| Model Number: 98 | name: Sodium Metabisulfite |
Packaging & Delivery
| Packaging Detail: | 25kg/bag |
| Delivery Detail: | PPT |
Specifications
Sodium Metabisulfite SMBS 7631-90-5
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Professional ServiceSodium
Sodium Metabisulfite SMBS 7631-90-5
High Quality
Earliest Shipment
Competitive price
Professional Service
Earliest Shipment
Competitive price
Professional Service
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, antioxidant and preservative agent.
| Sodium metabisulfite | |
|---|---|
|
Other names[hide]
Sodium pyrosulfite
Sodium disulfite |
|
| Identifiers | |
| CAS number | 7681-57-4 Y |
| PubChem | 24346 |
| EC number | 231-673-0 |
| RTECS number | UX8225000 |
| Properties | |
| Molecular formula | Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na |
| Molar mass | 190.107 g/mol |
| Appearance | white powder |
| Density | 1.48 g/cm3 |
| Melting point |
>170 °C (begins at 150 °C)
|
| Solubility in water | 54 g/100 ml |
| Hazards | |
| MSDS | Mallinckrodt MSDS |
| EU Index | 016-063-00-2 |
| EU classification |
Harmful (Xn) Irritant (Xi) |
| R-phrases | R22 R31 R41 |
| S-phrases | (S2) S26 S39 S46 |
| NFPA 704 |
0
2
0
|
| Related compounds | |
| Other anions |
Sodium sulfite Sodium bisulfite |
| Other cations | Potassium metabisulfite |
| Related compounds |
Sodium dithionite Sodium thiosulfate |