Sodium Hydrosulfite (TG)
No.: SD-001
GENERAL INFORMATION
|
• HS CODE |
283110 |
|
• CAS NO |
7775-14-6 |
|
• GRADE |
Technical Grade |
|
• FORMULA |
Na2 S2O4 |
|
• MOLECULAR WEIGHT |
174.09 |
PROPERTIES
|
• Appearance |
White crystalline powder |
|
• Odor |
Odorless or with a slight odor of sulfur dioxide |
|
• Solubility |
Easily soluble in water, insoluble in alcohol |
|
• Density |
2.3-2.4 |
|
• Melting Point |
300 °C |
SPECIFICATIONS
|
• Na2S2O4 |
90 88 85%min |
|
• Iron(Fe) |
20ppm max |
|
• Zinc(Zn) |
1ppm max |
|
• Solution clarify degree |
Clear |
|
• Water insoluble substances |
0.05% max |
APPLICATION
• Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates.
• Used as bleaching agent of paper pulp in paper-making industry.
• Used as bleaching agent of china clay in the ceramics industry.
• Used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry.
• Used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather.
PACKING
• 15kg,20kg,25kg,50kg,100kg,200kg iron drums with double polyethylene liners
STORAGE AND TRANSPORTATION
• The product must be always handled and stored in sealed clean iron drums or bulk containers. Avoid contacting with moisture, acids, oxidizing chemicals and combustible organic substances. Protect the product away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
