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Rongalite Sodium Formaldehyde Sulfoxylate Hydroxymethylsulfonate - China

price: contact company for price

Product name: Rongalite; Sodium Formaldehyde Sulfoxylate; Sodium


CAS NO: 149-44-0

Molecular Formula: NaHSO2 *CH2O*2H2O

Molecular Weight: 154.12

Appearance: Rongalite is a salt with strong reducing, White setting block or granular, powder

Purity: 98%

Packing : 50kg iron drums with double polyethylene liner.

Loading capacity of 20GP: 21MT

Hazardous Grade: Not a DOT controlled material

Place of origin: Hubei Province, China

Annual output: 6000MT

Delivery Port: Yangsi Port, Wuhan City or China Main port


Physical properties:


Melting point: 64℃

Fusion heat: 54.84KJ/mol(13.2Kcal/mol)

Moisture absorption point: relative humidity 60%

Stable point <50℃

Solubility: 20℃,Rongalite :water=1:1.2(45%)

70℃,Rongalite :water=1:1(50%)

Chemical properties

a)hygroscopic, decomposition point: 80℃, desorb H2s, Need drying temperature preservation.


b)complete decomposition point: 110℃. (The strongest reductive ability.)



c)Rongalite PH value>8,If PH>3 then release n hydrogen sulphide。

d)NaHSO2 •CH2O+2H2O+1I2-→NaHSO4+4HI+CH2O

2.Quality standard: HG 2281-1992

Index name Index

Sodium Formaldehyde Sulfoxylate %≥ 98.0

Dissolve state Water is clear or slightly turbid

sulfide Not black

odor No odor or A little leek smell

3. Applications:

Mainly used in printing industry as discharge agents, color, reductant and used for styrenebutadiene rubber and synthetic resin activator, also used in some of the organic decoloring and bleaching (e.g., synthetic rubber, sugar, food industry as bleach), under certain conditions can be used instead of insurance powder. Not used for food importation bleaching.

4.Packing: Lined with plastic bags, with strict drum packaging. Sealing Of 50kgs net each.

5. Transport, storage note:

Should be stored in dry and cool barrel, prevent sun exposure, rain, and antioxidant and acids content mix together, Storage period one year.

Company Contact:

  • Phone: 13554679930

  • Address: the 8th Building, Fuze Science Park, Gutian 3rd Ro, Wuhan, China

  • Email: Email

Published date: June 14, 2013 -

  • Business Description: involved in international trade import export of goods, products, and services

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