Fengda Chemicals Corp.

Rongalite

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 ℃, decompositionobviouslyabove 60 ℃

Usage：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：Net in 25KG/50KG Plastic Barrels.

Specification：

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 %	0.01 Max