Basic Info.
Appearance
Rongalite Lump
Nahso2.CH2o.2H2O
Nahso2.CH2o.2H2O
Melting Point
Melting Poin
98%Lump and Powder
98%Lump and Powder
Production Capacity
5000tons/Month
Product Description
Basic Info. |
Model NO. |
98% |
Appearance |
Powder |
Grade Standard |
Industrial Grade |
Sample |
Available |
Shelf Life |
2 Years |
Transport Package |
50kg/Drum |
Specification |
98% |
Origin |
China |
HS Code |
2831101000 |
Production Capacity |
5000tons Per Week |
Product Description sodium formaldehyde sulfoxylate powder / rongalite lump / rongalite c powder Chemical name: Sodium Formaldehyde SulfoxylateCommercial name: RongaliteMolecular Formula: NaHSO2.CH2O.2H2OMolecular Weight: 118.0875Specific Gravity: 1.8Melting point: 64ºCStable Pour-Point: 50 ºC max 45% (20 ºC): 1.2 dose of water is necessary for dissolving away 1 dose of Rongalite at 20°C. 50%(70°C):1 dose of water is necessary for dissolving avay 1 dose of Rongalite at 70°C
Specification
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 |
Application
1) Dyeing and printing industry used as cotton, rayon, staple fiber fabrics, such as the extraction agent, reducing dyes.
2) The preparation of synthetic resin and synthetic rubber is used as redox catalyst.
3) Also used as antidote, sugar bleach, descaling agent, detergent and for the preparation of indigo dyes, VAT dyes and so on.
4) Sodium hydrogen sulfate is one of the most used reducing agents in the discharge printing, which can make the dyed color disappear.
StorageShould be stored in a dry, cool and dark place. Protected from moisture, avoided exposure to direct sunshine. Don't to let it berained on. Be sure not to store it together with oxidant and acid, no presence of acidic vapour in storage life is one year.
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