57 visiting now: 28 USA USA flag 11 China China flag 7 France France flag 3 Netherlands Netherlands flag 3 UK UK flag 2 Sweden Sweden flag 1 Israel Israel flag 1 Vietnam Vietnam flag 1 Romania Romania flag

Rongalite Sodium Formaldehyde Sulfoxylate Hydroxymethylsulfonate - China

price: contact company for price

Product name: Rongalite; Sodium Formaldehyde Sulfoxylate; Sodium

hydroxymethylsulfonate

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

1.Properties

Physical properties:

Density:1.8

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.

6NaHSO2* CH2O+3H2O-→4NaHSO3+2HCOONa+2H2S+HCOOH+3CH3OH

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

NaHSO2•CH2O-→NaHSO2+CH2O

NaHSO2+H2O-→NaHSO2+2[H]

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

Related listings



  • Monopotassium Phosphate Kh2po4
    Monopotassium Phosphate Kh2po4
    Chemical - Wuhan Gains Chemical CO.,LTD - China - June 14, 2013 - contact company for price

    Product name: MonoPotassium Phosphate; potassium dihydrogen phosphate; MKP CAS NO: 7778-77-0 Molecular Formula: KH2PO4 Molecular Weight: 136.09 Appearance: White or colorless crystal. Purity: 99% Packing : Plastic woven bag lined with plastic bag, ne...

  • Monoammonium Phosphate Nh4h2po4
    Monoammonium Phosphate Nh4h2po4
    Chemical - Wuhan Gains Chemical CO.,LTD - China - June 14, 2013 - contact company for price

    Product name: Monoammonium Phosphate; ammonium dihydrogen phosphate; ammonium diacid phosphate; MAP CAS NO: 7722-76-1 Molecular Formula: NH4H2PO4 Molecular Weight: 115.0 Appearance: White granular crystal, . Purity:98% Packing: Plastic woven bag line...

  • Natrium Carbonicum Sodium Carbonate
    Natrium Carbonicum Sodium Carbonate
    Chemical - Wuhan Gains Chemical CO.,LTD - China - June 14, 2013 - contact company for price

    Product name: Soda ash (light &Dense) ;sodium carbonate; natrium carbonicum CAS NO: 497-19-8 Molecular Formula: Na2CO34 EINECS No.: 207-838-8 Molecular Weight: 105.989 Appearance: White crystal powder. Purity: 99.2% Packing: Plastic woven bag lined w...



Safe Trade Tips

  • Ask for business references and check them
  • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
  • Verify their business via their local Chamber of Commerce
  • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
  • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
  • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"