Product Description
CAS 7775-14-6 Sodium Hydrosulfite Na2S2O4 Textile Dyeing Auxiliaries Agrochemical Intermediates
Basic Information
Model Number : HM03002
Other Names : SHS ; Sodium dithionite ; Sodium hypodisulfite
Molecular Formula : Na2S2O4
Molecular Weight : 174.11
CAS NO. : 7775-14-6
EINECS NO. : 231-890-0
UN NO. : 1384
H.S. CODE NO. : 2831.1010
Standard : HG/T2520-93
Purity : 74%min., 85% min., 88% min. & 90% min.
Product Parameters
Item | Standard | Acutal Data |
Sodium Hydrosulphite | 88% min. | 88.5% |
Water Insoluble | 0.1% max. | 0.001% |
Sodium Thiosulfate:Na2S2O3 | 1.3% max. | 0.7% |
Sodium Metabisulfite:Na2S2O5 | 5-7% | 6.2% |
Sodium Bisulfite:NaHSO3 | 0.5% max. | 0.24% |
Sodium Carbonate:Na2CO3 | 0.6-2% | 1.6% |
Sodium Formate:HCOONa | 0.5% max. | 0.2% |
Zn | 0.0001% max. | 0.00003% |
Fe | 0.002% max. | 0.001% |
