GENERAL INFORMATION
|
• HS CODE |
3204120000 |
|
• CAS NO |
1787-61 -7 |
|
• GRADE |
Technical Grade |
|
• FORMULA |
C20H12N3NaO7S |
|
• MOLECULAR WEIGHT |
461.38 |
PROPERTIES
|
• Appearance |
Black brown powder |
|
• Solubility |
Soluble in water |
|
• Stability |
Stable under normal temperature |
SPECIFICATIONS
|
• Hue |
Similar to the standard |
|
• Intensity |
To standard 100 ± 3 |
|
• Moisture |
≤5% |
|
• Water insoluble substances |
≤0.5% |
|
• Fineness (through 80 mesh sieve residue content) |
≤5% |
APPLICATION
• Mainly used for various of wool fabric dyeing, can also be used for silk, wool and nylon, as well as the Multi-Fiber fabric dyeing, can print directly on wool fabric which pretreated by Chromium acetate. Pure materials can be used as indicator. Can also be used in biological staining and fur dyeing.
PACKING
• 25kg/drum
STORAGE AND TRANSPORTATION
• Store in dry and ventilated place, avoid direct sunshine, moisture and heat. Handle carefully during transportation.




