Tel:
+86 15628782329
+86 15628782329
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Tel:
+86-156-2878-2329
E-Mail：sales001@bosschemical.com
E-Mail：sales001@bosschemical.com
No. 55, Gongye South Road, Jinan Area, China (Shandong) Pilot Free Trade Zone.
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7757-83-7
futurechem
7757-83-7
Product Description
Product name:Sodium sulfite
CAS：7757-83-7
MF：Na2O3S
MW：126.04
EINECS:231-821-4
Applicatiuon：
Used as a developer, preparation of cellulose sulfite ester, preparation of sodium thiosulfate, preservative for dried fruits and meat, deoxidizer in printing and dyeing industry, and as reducing chemical reagent, used in chemical industry and laboratory production and synthesizing
Specifications :
| Item | Quality Index | |
| Industry Grade | Food Grade | |
| Purity ( As Na2SO3) | 96.0% min | 98.0% min |
| Sodium sulphate ( SO4) | 2.0% max | 1.2% max |
| Chlorides ( As NaCL) | 0.5% max | 0.08% max |
| Arsenic ( As ) | - | 0.0002% max |
| Heavy metals ( As Pb ) | - | 0.0005% max |
| Iron (Fe) | 0.005% max | 0.003% max |
| Water insoluble | 0.05% max | 0.01% max |
Product Description
Product name:Sodium sulfite
CAS：7757-83-7
MF：Na2O3S
MW：126.04
EINECS:231-821-4
Applicatiuon：
Used as a developer, preparation of cellulose sulfite ester, preparation of sodium thiosulfate, preservative for dried fruits and meat, deoxidizer in printing and dyeing industry, and as reducing chemical reagent, used in chemical industry and laboratory production and synthesizing
Specifications :
| Item | Quality Index | |
| Industry Grade | Food Grade | |
| Purity ( As Na2SO3) | 96.0% min | 98.0% min |
| Sodium sulphate ( SO4) | 2.0% max | 1.2% max |
| Chlorides ( As NaCL) | 0.5% max | 0.08% max |
| Arsenic ( As ) | - | 0.0002% max |
| Heavy metals ( As Pb ) | - | 0.0005% max |
| Iron (Fe) | 0.005% max | 0.003% max |
| Water insoluble | 0.05% max | 0.01% max |