Rongalite

Properties:

Chemical Name: Sodium Formaldehyde Sulfoxylate

Commercial Name: Rongalite

Molecular Formula: NaHSO2· CH2O· 2H2O

Molecular Weight: 154.12

Specific Gravity: 1.8

Melting Point: 64° C

Heat of Fusion: 54.84KJ/mol(13.2Kcal/mol)

Hygroscopic Point: Relative Humidity 60%

Stable Pour-Point: 50° Cmax

Solubility: 45%(20° C): 1.2 dose of water is necessary for dissolving away l dose of Rongalite at 20° C. 50%(70° C); 1 dose of water is necessary for dissolving away 1 dose of Rongalite at 70° C.

Usage:

It is mainly used as a discharging agent, color-dischaging, 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 subsitituted for the sodium hydrosulfite in some special conditions.

Product name: Rongalite C	Content: 98%
Molecular Formula: NaHSO2· CH2O· 2H2O	Molecular Weight: 154.12
Proportion	1.8
Melting Point	64° C
Melting Heat	54.84KJ/mol (13.2KCal/mol)
Wet Suction	60% relative humidity
Index Name	Index
Physical Properties	White powder or granules
Main Content	98.20%
Dissolved state	Clarification or slightly soluble in water
Sulfide	Not black
Odor	Odorless or smell a little leek
Storage Period	1 Year
Packing: Lined with PP bags tightly sealed iron drum containing 50Kg each.
Conclusion: Qualified

Resource:

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