Rongalite 98% Solubility Sodium Formaldehyde Sulfoxylate CAS 6035-47-8
Product Characteristics
Other Name:Rongalite
Basic Information

Model Number: HMHT0033-7
Other Name: Sodium formaldehydesulfoxylate dihydrate; Formaldehyde Sodium Sulfoxylat; Methanesulfinicacid,hydroxy-,monosodiumsalt,dihydrate; SODIUM FORMALDEHYDE SULPHOXYLATE; Sodium dihydrate hydroxymethanesulfinate
Hazard symbol: R36/37/38
Molecular formula: CH6Na2O5S
CAS: 6035-47-8
Flash point: 223.8 ℃

Molecular weight: 176.1
Hazard Description: Xi
Application: Industrial bleach; reducing agent


For resist printing with nigrosine and soluble vat dyes. Used as bleaching agent in food industry, soap industry, rubber synthesis and sugar, etc.
In the printing and dyeing industry, it is used as a whitening agent, a reducing agent, a bleaching agent, and in the production of indigo dyes and vat dyes.
Used in the polymerization of synthetic rubber, sugar and vinyl compounds.

Storage/Transport Information

 Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.


Company Profile


Wuxi High Mountain Hi-tech Development Co., Ltd is a professional industrial company engaged in special

chemical production, technology research & development, and import & export. The company focuses on the
production, trade, and research & development of various chemical products.
Since its establishment, the company has been concentrating on constructing an international marketing
network and optimizing supply chain management, where we have established a long-term strategic
cooperation relationship with numerous large enterprises at home and abroad.
Relying on our wide business channels and professional experience, we are more skillfully
providing products of stable but differentiated quality, along with flexible, highly efficient & considerate
service to satisfy our partner at more competitive pricing.
In line with the principle of sharing the preferential cost and joint development, the company has formed
an interesting community for years with its customers at home and abroad. Sincerely to build up a pleasant
mutual trust, cooperative, win-win, and value-added sustainable partnership is what we are achieving to grow
together with you!


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Guaranteed Specifications



NaHSO2·CH2O Content%

98% min

State of Solution

Be soluble in water and appear in

clarification or microturbidity


Not in dark


White Powder

Alkalinity as sodium carbonate





5 ppm max

Formaldehyde Content%


Product Overview



Product Package



Warehousing & Transportation

-In a dry and well ventilated warehouse, keep away from ignition and heat sources.
-Store separately from oxidants, acids, alkalis, and other substances to avoid mixed storage and transportation.
-Avoid direct sunlight and damp environments to prevent moisture and deterioration.
-Packaging drums or bags should be placed on dry shelves to avoid contact with the ground
-Use specialized vehicles or transport separately from other hazardous materials to avoid mixed transportation and loading.
-Pay attention to moisture resistance, sun protection, high temperature resistance, and vibration resistance to ensure the packaging is intact.
-Equip corresponding safety facilities and first aid measures to promptly handle unexpected situations.


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