| CAS No.: | 7775-14-6 |
|---|---|
| Formula: | Na2s2o4 |
| EINECS: | 231-890-0 |
| Certification: | ISO |
| Environmental Protection: | No |
| Color: | White |
| Samples: |
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| Customization: |
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Audited Supplier Purity 85% 88% 90% Sodium Hydrosulphite Food grade CAS 7775-14-6
Product Name: Sodium Dithionite, Sodium hydrosulphite, Sodium hydrosulfite 85%, 88%, 90%
Molecular formula: Na2S2O4
Quality standard: GB 1886.46-2015
IMO Class: 4.2
UN NO.: 1384
Application:
According to GB 1886.46-2015, it can be used as bleach for candied fruits, dried vegetables, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms, 0.4g/kg. Refer to "09012 sodium sulfite" for SO2 residue. According to the residual chemicalbook limit specified in Japan (calculated by SO2, g/kg): dried fruit (excluding raisins) 2; Gelatin 0.5; Molasses, starch syrup 0.3; Fruit wine and miscellaneous wine 0.35; 0.15 natural fruit juice after 5 times dilution; Boiled beans 0.1; Shrimp 0.1; Qijian powder 0.9. Do not use on sesame, beans and vegetables.
Specification:
| Items | Specification |
| Appearance | White crystalline powder |
| Purity | Min 85%, 88%, 90% |
| Water insoluble | Max 0.1% |
| Fe content | Max 18ppm |
| Zn content | Max 1ppm |
| Smell | A little smell of SO2 |
| Water solution | Clear transparent liquid |
| Other heavy metals | Max 1ppm |
| Na2CO3 | 1.5~2.5% |
Storage:
Sodium hydrosulfite powder shall be stored in a cool, dry, ventilated and covered warehouse to avoid direct sunlight. Keep away from heat sources and do not mix with water or steam. It shall not be mixed with oxidant or other inflammables. The bag mouth shall be tied up immediately and tightly after use and stored properly.
ZHANJIU (SHANGHA) INDUSTRIAL CO, LTD is a professional supplier of fine chemicals for many industry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperated factories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliariesetc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.Comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The main products are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity for sulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.
Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year and we already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries, For aquaculture, we can supply granular uncoated type and tablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences for exporting this product.
https://zhanjiuindustry.en.made-in-china.com/company-ZHANJIU-SHANGHAI-INDUSTRIAL-CO-LTD.html
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