Zouping Changshan Zefeng Fertilizer Co., Ltd.

Sodium Formaldehyde Sulfoxylate/Rongalite, Sodium Formaldehyde Sulfoxylate, Rongalite manufacturer / supplier in China, offering Factory on Sale Formaldehyde Sodium Sulfoxylate Powder, Diammonium Phosphate 18-46-0 DAP Fertilizer Prices, Industrial Grade White Calcium Carbonate and so on.

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Factory on Sale Formaldehyde Sodium Sulfoxylate Powder

FOB Price:US $1 - 2 / Piece
Min. Order (Pieces) FOB Price
1+ US $1-2 / Piece
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Min. Order: 1 Piece
Production Capacity: 3000 Metric Tons/Month
Transport Package: 25kg Plastic Woven Bag
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info.

Model NO.:99%
Efficacy:Feed Preservatives
Classification:Food Additives
Type:Sodium Formaldehyde Sulfoxylate/Rongalite
Specification:food garde
Origin:China (Mainland)

Product Description

sodium formaldehyde sulfoxylate/Rongalite lump

Rongalite lump, Rongalite powder are of a sort but in different forms, their chemical composition is all the same. Three types of Rongalite product are supplied to meet customer's demand in application.



Chemical name: Sodium Formaldehyde Sulfoxylate

Commercial name: Rongalite

Molecular formula:NaHSO2CH2O2H2O

Mloleculare Weight: 154.12

Specific Gravity: 1.8

Melting Point: 64ºC

Heat of Fusion: 54.84KJ/MOL(13.2KCAL/MOL)

Hygroscopic point: Relative Humidity 60%

Stable pour-point: 50ºCmax

Solubility: 45%(20ºC):1.2 dose of water is necessary for dissolving away 1 dose of Rongalite at 20ºC

50%(70ºC):1 dose of water is necessary for dissolving away 1 dose of Rongalite at 70ºC.

Physical Properties:

To be nominated for rongalite is for the reason that it serves the color-discharging function to fabrics as well as its appearance. Under different cooling conditions, it solidifies out into white lumps or powder.


Content of NaHSO2CH2O   98%min.

State of solubelness   Water solution clear or microturbid

Sulphide               No presence of black is allowed

Smell                No smell or a little leek.


It is mainly used as a discharging agent, reductant in printing and dyeing industry, as an activating agent for production styrene-butadise rubber and synthetic resin, also be used to decolourize and bleach some organic matters. For example: as a bleaching agent in synthetic rubber etc. it may be substituted for the sodium hydrosulfite in some special conditions.

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Zouping Changshan Zefeng Fertilizer Co., Ltd.

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