China (Mainland)
on sell the best quality cost-effective products Inorganic chemicals 90% bleaching agent sodium hydrosulfite CAS NO.7775-14-6
- Min.Order: 20 Metric Ton
- Payment Terms: L/C,T/T,Other
- Product Details
Keywords
- water repellent chemical industry grade Food grade Na2S2O4 sodium hydrosulfite
- sodium hydrosulfite Na2S2O4 Sodium hydrosulfite sodium dithionite Sodium dithionite hydrate supplier
- HS Code 28311010 UN 1384 CAS 7775-14-6 Na2S2O4 Sodium hydrosulfite sodium dithionite
Quick Details
- ProName: on sell the best quality cost-effecti...
- CasNo: 7775-14-6
- Appearance: White powder
- Application: Widely used in the textile industry
- DeliveryTime: around 7days after receiving your paym...
- PackAge: 50 kg drum
- Port: Ningbo port etc
- ProductionCapacity: 7000 Metric Ton/Month
- Purity: 88%
- Transportation: sea transportation
- LimitNum: 20 Metric Ton
- Grade: Industrial Grade
Superiority
white powder Na2S2O4 sodium hydrosulfite price
Molecular formula: Na2S2O4
Scent: No scent or slight scent of SO2
Quality standard sodium hydrosulfite:
Technical grade: HG/T 2074-1991 JIS K 1476-1995
Food grade: GB2682-199
Warranty period: 12 months after production date
Applications sodium hydrosulfite:
1. Vat dyeing, printing and stripping, reduction cleaning
2. Textile materials(silk, wool, nylon and other fibers)bleaching
3. Pulp and paper brightening
4. Pulp deinking
5. Kaolin clay bleaching
6. Foodstuffs ( sugar, honey, gelatin, etc)bleaching
7. chemical synthesizing
Extinguishing Method sodium hydrosulfite:
Isolate the combusted are, keep far away from flames, use sufficient drown the product completely (Other extinguishing media may not stop decomposition thoroughly). Make sure the rinsing water does not pollute water source farm. Inspect the balance of the packing drum and move those hot drums to a ventilated place to lower their temperature.
Extinguisher: Large amount of water
Technical specification sodium hydrosulfite:
|
Specification |
90% |
88% |
85% |
Food grade |
|
Na2S2O4 |
≥90% |
≥88% |
≥85% |
≥85% |
|
Fe |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
|
Zn |
≤1ppm |
≤1 ppm |
≤1ppm |
≤1ppm |
|
Solution Appearance |
Clear |
Clear |
Clear |
Clear |
|
Other heavy metal (as pb) |
— |
— |
— |
— |
|
HCHO |
— |
— |
— |
≤0. 05% |
|
Water insoluble matter |
≤0.05% |
≤0.05% |
≤0.05% |
— |
|
Reserve period (months) |
12 |
12 |
12 |
12
|