Hot sale best quality 98% rongalite C industry Food grade Industrial grade sodium formaldehyde sulfoxylate sulphoxylate

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  • 1 - 19 Metric Tons
  • >=20 Metric Tons
Lead Time:
Quantity(Metric Tons) 1 - 50 >50
Est. Time(days) 7 Negotiable
Customized packaging (Min. Order: 40 Metric Tons)
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Quick Details
CAS No.:
Other Names:
rongalite powder
Place of Origin:
Hunan, China
Grade Standard:
Food Grade, Industrial Grade
white nubby or powdery solid
Food Grade, Industrial Grade etc.
Brand Name:
Model Number:
rongalite lump
Industrial, printing and dyeing etc.
Cotton, short fiber, rayon fabric, discharge agent, vat dyes
Use of synthetic resin and synthetic rubber etc.
As an antidote, sugar bleach, detergents, detergent etc.
Mol wt::
HS Code::
Chemical formula:
1.75 g/cm3 (two hydrate)
Melting point:
Decomposition of 64.5 degree C (two hydrate) over 80 degree C
Solubility in water:
~ 600 g/L (two hydrate)
Supply Ability
Supply Ability:
7000 Metric Ton/Metric Tons per Month
Packaging & Delivery
Packaging Details
Iron drums with polyethylene liner, net weight 50kg.
Compound plastic woven bag with polyethylene liner, net weight 25kg or 50kg each
Yueyang, China etc
Picture Example:
Lead Time :
Quantity(Metric Tons) 1 - 50 >50
Est. Time(days) 7 To be negotiated

Hot sale best quality 98% rongaliteC

sodium formaldehyde sulfoxylate


Product Overviews
Rongalite lump/Powder (Sodium Formaldehyde Sulfoxylate) 
1. Chemical formula: NaHSO2.CH2O.2H2O
2. Standard: HG/T2281-2006
3. Physical appearance: White nubby or powdery solid.
4. CAS No.: 149-44-0
5. Other Names: Sodium Formaldehyde Sulfoxylate
6. EINECS No.: 205-739-4


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


It is mainly used as a discharging agent, color-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, sugar-making, and food industries. It may be substituted for the sodium hydrosulfite in some special conditions. 




Company Information

Corporate International sales Team





Founder and sale owner of ZhuZhou RongdaChemical Co.,LTD.This company is based on the famous chemical company ZhuZhou MingQi Co.,LTD, established on Aug 2013. Miss Yang is a very hardworking lady who created a great achievement with her international trade team on company performance. From the first year without any orders to now the company performance has reached to 3 million dollars every year, because she strongly believes in Trust and Quality are the most important thing.


International sales


These people are our international sales. They are very excellent positive young team and full time works for customers. They are very happy to solve all problems that the customers may meet.


The team is Becky Dai, CoCo Hu and Jeffrey Shen etc..


Cooperative Customer

Our mission is to produce high quality with reasonable price and offer best service for our customers.  


10 years manufacturing

4 years exporting


Covered over 60 countries

More than 1000 customers


Customer Photo


1.Korean customer

His comment to us


Your products are very good and price is good to!! We will cooperate with you again.


2.Turkey customers

Their comments to us


Ur service is very nice, the sellers re very warm, plus ur products re reliable. Will order soon. 



3. Turkey customer


His comment to us

I am very glad to choose your company in so many of them  and your company is very trustworthy. We will cooperate soon.


4. Korean customer

His comment to us


Your company is very professional, we tested and used your products which are very good, we look forward to cooperate with you in future!


Our company in  The Chemspec Exhibition in Mumbai,India.







Packing: 25kg compound plastic woven bag with inner polythene liner,


Our Services



Why choose Rongda: 

--Manufacturer of anhydrous sodium sulfite since 2004. 
--One of leading chamicals export and import in China. 
--Large storage is port, China and work with many brother manufacturers 
--Total solution for chemicals in China, more products are upgrade 
--ISO9001 is approval with high quality. 
--Rongda is one of big exporters in China, your reliable partner. 

We welcome you visit our factory at any time! !



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