It widely applies to reduction dyes and sulfur deyes deyeing, wool and silk bleaching, disperse dyes reducing clieaning. And it
sodium hydrosulfite
Chemical Formula Na2O4S2
Molecular Weight 174.1071
CAS NO. 7775-14-6
Specification
EINECS NO | 231-890-0 |
Sodium Hydrosulfite | Specification | ||
1 | 2 | 3 | |
| 85% | 88%min | 90%min | |
Na2CO3% | 6.0%max | 6.0%max | 6.0%max |
Na2S2O3% | 0.4-1.5% | 0.4-1.5% | 0.4-1.5% |
Na2S2O5% | 3.5-7.0% | 3.5-7.0% | 3.5-7.0% |
Na2SO3% | 0.6%max | 0.6%max | 0.6%max |
HCOONa% | 0.05%max | 0.05%max | 0.05%max |
Fe(ppm) | 18max | 20ppmmax | 20ppmmax |
As% |
|
|
|
Zn(ppm) | 4max | 1ppmmax | 1ppmmax |
Water Insolubles | 0.1%max | 0.05%max | 0.05%max |
Total other heavy metals(as Pb) | 1ppm max | 1ppmmax | 1ppmmax |
USE It widely applies to reduction dyes and sulfur deyes deyeing, wool and silk bleaching, disperse dyes reducing clieaning. And it is used in paper making industry as bleaching agent, deinking, etc.
Packing in 50kg iron drum
Quantity 20'FCL 18/21MT with/without pallets
