1.Anhydrous Sodium Sulfite
2.White powder or crystal
3.Used as bleaching/reducing agent
4.Technical Team
5.Prompt Delivery
1. Enterprice Brief Introduction:
Cavern Industry Co.,.Ltd is a high-tech share-holding enterprise since 1992,engaged in development,production&business cooperation,technical service and project design of fine chemicals.
2.Product Brief Introduction
Anhydrous Sodium Sulfite is a white gravel or powder crystal,
Its relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction. It is hard to dissolve in ethanol.
It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.
3. Technical Index
| ITEM | SUPER GRADE | FIRST GRADE | NORMAL GRADE |
| PURITY (Na2SO3) % | 97.0 min | 96.0 min | 93.0 min |
| SULFATE (Na2SO4) % | 2.5 max | - | - |
| IRON (Fe) % | 0.003 max | 0.005 max | 0.02 max |
| WATER INSOLUBLE % | 0.02 max | 0.03 max | 0.05 max |
| CHLORIDE (NaCl) % | 0.10 max | - | - |
| FREE ALKALI (Na2CO3) % | 0.10 max | 0.40 max | 0.80 max |
4.Package & Storage:
Packed in 25kg plastic woven bag, Kraft paper bag, PE bag or as per the buyer’s requirement
Stored in dry and cool place
5. Application :
Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
