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| Compound | Sodium sulfite | ||||
|---|---|---|---|---|---|
| CAS No. | 7757-83-7 | Catalog No. | 20191104 | Brand | mojin |
| Purity | 99% | Packing | 25kg | Grade | |
| Lead Time | 7Day (s) | Origin | ChinaHebeiShijiazhuang | Loading Port | China,Tianjin,Tanggu |
| Stability | Stable. Incompatible with strong acids. Moisture and air sensitive. |
|---|---|
| Storage Condition | Store at RT. |
| Appearance & Physical State | white crystals or powder |
| Water Solubility | 23 g/100 mL (20 ºC) |
| Refractive Index | 1.484 |
| Density | 2.633 |
| Melting Point | 500ºC |
Molecular Formula
Na2SO3
Molecular weight
126.04
Appearance
white or yellowish powder
PH valune
9~9.5(alkaline)
Solubility
at 40 ℃, the highest solubility is about 37.4g/100 ml of water.
Oxidizability
oxidize to sodium sulfate when contacting with air.
Decomposabilty
decompose into sodium sulphide at high temperature
Ratio
2.633 (15.4℃)
Refractive Index
1.565
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