| Customization: | Available |
|---|---|
| CAS No.: | 6035-47-8 |
| Formula: | Nahso2.CH2o.2H2O |
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RONGALITE
Chemical Name: Sodium formaldehyde sulfoxylate
Molecular Formula: NaHSO2.CH2O.2H2O
Molecular Weight : 154.12
Property: white crystal powder, has the strong reducibility under high temperature, Soluble in water, slightly soluble in alcohol, decomposition in diluted acid . Aqueous solution is stable under 50 ºC, decomposition obviously above 60 ºC
| Item | Standard | Result | Conclusion |
| NaHSO2.CH2O.2H2O | ≥98.0% | 99.2% | Pass |
| Solution | Clear or shight turbid | Slight turbid | Pass |
| No black | No black | Pass | |
| Appearance | White powder | White powder | Pass |
| Cu content | / | / | / |
| Mn content | / | / | / |
| Solubility in benzene | Insoluble | Insoluble | Pass |
| Conclusion | First class product | ||
Packing: in liner-plastic iron barrel, with airtight seal lid, net weight 50kg each or in bags 25kgs net weight.
Storage: It must be kept in cool, dark and dry place. To take shelter from the sunlight. No mix storage with oxidants or acidoids is allowed.
1) Dyeing and printing industry used as cotton, rayon, staple fiber fabrics, such as the extraction agent, reducing dyes.
2) The preparation of synthetic resin and synthetic rubber is used as redox catalyst.
3) Also used as antidote, sugar bleach, descaling agent, detergent and for the preparation of indigo dyes, VAT dyes and so on.
4) Sodium hydrogen sulfate is one of the most used reducing agents in the discharge printing, which can make the dyed color disappear.
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