Sodium Thiosulfate Pentahydrate
No.: SD-010
GENERAL INFORMATION
|
• HS CODE |
28323000 |
|
• CAS NO |
10102-17-7 |
|
• GRADE |
Technical Grade |
|
• FORMULA |
Na2O3S2.5H2O |
|
• MOLECULAR WEIGHT |
248.17 |
PROPERTIES
|
• Appearance |
Colorless transparent monoclinic crystal |
|
• Melting Point |
40~45℃ |
|
• Relative Density |
1.729(17℃) |
|
• Solubility |
Soluble in water |
SPECIFICATIONS
|
• Assay(as Na2S2O3•5H2O) |
99.0% min. |
|
• Water insoluble substances |
0.01% max |
|
• Sulphide (as Na2S) |
0.001% max. |
|
• Fe |
0.001% max. |
|
• pH (200g/L solution) |
6.5 - 9.5 |
APPLICATION
• Used in photographic and electroplate;
• For purifying soft water and tanning hides;
• As a reducing agent, deoxidizer, sulfur dyeing agent, anti-whiting agent, detergent, and disinfectant.
PACKING
• 25kg/plastic woven bag lined with PE bag
STORAGE AND TRANSPORTATION
• Store the product in cool, ventilated and dry place; avoid contacting with heat, sunshine, and moisture; avoid storing or handling with acid and oxidants.
