Sodium sulfite anhydrous
CAS No.: 7757-83-7
Molecular formula: Na2SO3
EINECS : 231-821-4
Appearance:white crystalline powder
Sodium sulfite anhydrousSupplier: Lubon Industry Co., LtdCAS No.: 7757-83-7Appearance : white crystalline powder .Molecular formula : Na2SO3Packing : double-layer plastic woven bag.Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .Quality standard : Q/320124JM02-2003
| Index name | Premium grade |
| Super grade | First grade | Salable product | Industrial grade |
| Sodium sulfite ( Na2SO3 ) , % ≥ | 97.0 | 96.0 | 93.0 | 90.0 |
| Fe , ?≤ | 0.003 | 0.005 | 0.01 | / |
| Water insoluble matter , % ≤ | 0.02 | 0.03 | 0.05 | / |
| Free alkali ( as Na2SO3 ) , % ≤ | 0.10 | 0.40 | 0.60 | / |
| Na2SO4 , % ≤ | 2.50 | / | / | / |
| NaCl , % ≤ | 0.10 | / | / | / |
anhydrous Sodium sulfite
