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Sodium hydrosulfite CAS: 7775-14-6 CAS NO.7775-14-6
- FOB Price: USD: 1.00-2.00 /Metric Ton Get Latest Price
- Min.Order: 5 Metric Ton
- Payment Terms: L/C,T/T
- Available Specifications:
90%(1-5)Metric Ton90%(5-20)Metric Ton
- Product Details
Keywords
- Sodium hydrosulfite
- Sodium dithionite
- 7775-14-6
Quick Details
- ProName: Sodium hydrosulfite CAS: 7775-14-6
- CasNo: 7775-14-6
- Molecular Formula: Na2O4S2
- Appearance: White powder
- Application: decolorizer, used as decolorizer
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg /carton or 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2500 Metric Ton/Year
- Purity: 90%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 5 Metric Ton
- Cas: 7775-14-6
- Molecular Formula: Na2O4S2
Superiority
| CAS No.: | 7775-14-6 |
| EINECS RN: | 231-890-0 |
| Molecular Formula: | Na2S2O4 |
| Molecular Weight: | 174.1 |
| Properties: |
Appearance: white crystalline powder. Relative density: 2.3~2.4 Solubility: easily soluble in water, insoluble in alcohols. |
| Use: | Mainly Use:d as reducing agent, bleaching agent for paper pulp, oil etc. |
Details
|
|
90% GRADE |
88% GRADE |
85% GRADE |
Food additive GRADE |
|
Na2S2O4 |
≥90% |
≥88% |
≥85% |
≥85% |
|
Water insolubles |
≤0.05% |
≤0.05% |
≤0.05% |
|
|
Iron (Fe) |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
|
Appearance of Aqueous solution |
|
|
|
clear |
|
Zinc (Zn) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Arsenic(As) |
|
|
|
≤1ppm |
|
Other heavy metals (as Pb) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Format(as HCHO) |
|
|
|
≤0.05% |
|
Shelf life(months) |
12 |
12 |
12 |
12 |