China Factory Supply Rongalite C/Sodium Formaldehyde Sulfoxylate Sfs /Rongalite 98%

• CAS No.: 149-44-0
• Formula: Nahso2.CH2o.2H2O
• EINECS: 205-739-4
• Type: Synthesis Material Intermediates
• Appearance: Lump
• Quality: Industrial
• Colour: White
• Transport Package: 50kg Drum
• Specification: Rongalite 98%
• Trademark: DY Rongalite
• Origin: China
• HS Code: 283190000
• Production Capacity: 10000tons/Month

Product Description

China factory supply Rongalite C/Sodium Formaldehyde Sulfoxylate SFS /Rongalite 98%

Product Introduction 

SODIUM FORMALDEHYDE SULFOXYLATE 

Rongalite

Appearance : White powder ,White Lump

Content (%): 98-99.9%

Package : 50kg iron drum /25kg bag

Rongalite is white block or crystalline powder, soluble in water.Stable at room temperature, high temperature has a strong reduction, bleaching.When acid is decomposed, its aqueous solution above 60ºC began to decompose out of harmful substances, under 120ºC decomposition produces formaldehyde, 
Specification 

Item	First grade	Superior grade
NaHSO2·CH2O Content%	98% min.	99% min.
State of Solution	Be soluble in water and appear in clarification or microturbidity	Be soluble in water and appear in clarification or microturbidity
Sulphide	Not in dark	Not in dark
Alkalinity as sodium carbonate	3.0% max.	1.5% max.
Odor	Slight	Slight
Cu & Mn	5ppm max.	3ppm max.

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

Package 
50kg iron drum; 25kg bag or as per customers' requirement

Usage 
Mainly used as a discharging agent, color-discharging agent, reductant in printing a dyeing industry.

Also used as an activating agent for the production of styrene-butadiene rubber and synthetic resin.

Also used to decolorize and bleach some organic matters, for example: as a bleaching agent in synthetic
rubber, sugar-making, and food industry.