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
Standard :
| Names of index |
Index |
| Content of CH2O.NaHSO2% |
98 Min. |
| Water insoluble |
0.4 Max. |
| State of solution |
Water solution clear or microturbid |
| Sulphide |
No presence of black color is allowed |
| Smell |
No smell or a little smell of leek |
| Fe % |
0.01max |
Application: Its mainly used as a discharging agent in printing and dyeing industry and as an active agent for producing styrene-butadiene rubber and synthetic resin. Besides, it is also used as a decolorant and bleaching agent for some organic compounds. It is also used to bleach sugar juice. caramel, etc. In food industry. It may be substituted for the sodium hydrosulfite in some special conditions.
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.
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