Description

Name:sodium sulfite;
Chemical formula:Na2SO3;
Molecular weight:**6.*4;
CAS:********7;
EINECS:********4;
Melting point:**0℃;
Properties: white, monoclant crystal or powder;
Density:2.*3;
Molecular weight:**6.*4;
Solubility: soluble in water (*7.8 g/**0 ml (seven water,*8 °C), insoluble in ethanol, etc;
Application:
1. Microanalysis and determination, preparation of developer, reducing agent, medicine synthesis, antiseptic, dechlorination agent;
2. Artificial fiber stabilizer, fabric bleaching agent, photographic developer, dyed and bleaching deoxidizer, spice and dye reductant, lignin removal agent, etc;
3. Common analytical reagents and photoresistor materials;
4. Food: bleach, preservatives, loosen agents, antioxidants;
5. Printing and dyeing: deoxidizer and bleaching agent;
6. Photoreceptor: Developer;
7. Papermaking: lignin removal agent;
8. Textile: artificial fiber stabilizer;
9. Electronic industry: manufacturing photoresistor;
*0. Water treatment: treatment of plating wastewater and drinking water.