| Application: | Antioxidants |
|---|---|
| Appearance: | White or light yellow crystalline powder |
| Purity: | 96-97% |
| Grade Standard: | Industrial Grade |
| Place of Origin: | China (Mainland) |
| EINECS No.: | 231-673-0 |
| MF: | Na2S2O5 |
| Other Names: | Sodium pyrosulfite; disodium disulphite |
| CAS No.: | 7681-57-4 |
| Colorless and transparen: | Sodium Metabisulfite Industrial Grade For |
Quick Details
Specifications
|
Industrical grade |
Standard |
Results |
|
Content ( as Na 2 S2O 5 ) %≥ |
96.5 |
97. 2 |
|
Phase |
White or light yellow |
White or light yellow |
|
Appearance of solution |
- |
Colorless and transparent |
|
Nacl %≤ |
- |
0.02 |
|
Iron ( as Fe ) ％≤ |
0.005 |
0.0009 |
|
Arsenic ( as As ) %≤ |
0.0001 |
0.0001 |
|
Heavy metal(as Pb)% ≤ |
0.0005 |
0.0005 |
|
PH Value |
4.0-4.6 |
4.48 |
|
Water Insoluble %≤ |
0.05 |
0.03 |