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Anhydrous Sodium Sulfite Used For Reducing Agent
Brand : Xiang Sante
Product origin : Hunan
Delivery time : 7-15days
Supply capacity : 50000T/Year
| Classification: | sulfphate | Type: | Sodium sulfite | CAS NO.: | 7757-83-7 |
| Commodity name: | sodium sulphite anhydrous | Chemical Formula: | Na2SO3 | EINECS NO.: | 231-821-4 |
| Other names: | sodium sulphite anhydrous | MF: | Na2SO3 | Purity: | 96% 97%98% min |
| Place of Origin: | Hunan,China(Mainland) | Grade Standard: | Food Grade Industrial Grade | Brand Name: | Xiang Sante |
| Appearance: | White ,monoclinic crystal or powder | Application: | Industry Grade, Food Grade, | Mol wt: | 126.04 |
| Color: | White | HS Code: | 2832100000 | ||
| Specification of Sodium sulfite anhydrous for Industry Grade and Food Grade: | ||
| 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 |
【Physical Character】：White, monoclinic crystal or powder.Its alkaline aqueous solution, the PH of about 9 ~ 9.5, at 40 ℃, the highest solubility is about 37.4 g / 100 g water, into sodium sulfate, in contact with air oxidation in high temperature is decomposed into sodium sulphide, ratio of 2.633 (15.4 ℃), refractive index of 1.565.
【Application】：As in commercial concrete water reducing agent, used as a reducing agent and the inhibitor in mineral processing industry (inhibits sphalerite and pyrite), printing and dyeing industry as deoxidizer and bleach, used for all kinds of cotton fabric scouring, can prevent the partial oxidation of cotton fiber, fiber strength.The photosensitive industry is used as a developer, and the organic industry is used as reducing agent for the production of diphenylenediamine and amino salicylic acid.Textile industry is used as artificial fiber stabilizer.Also used in papermaking, electronic, water treatment and other industries.
【Package】：25Kgs/Plastic woven bags；1000kgs/Bag or as requested.