Intermediate
Name:
1-Amino-2-Naphthol-4-Sulfonic Acid
No.: ITM-006
GENERAL INFORMATION
|
• CAS NO |
116-63-2 |
|
• GRADE |
Dye Intermediate |
|
• FORMULA |
C10H9NO4S |
|
• MOLECULAR WEIGHT |
239.24 |
PROPERTIES
|
• Appearance |
Gray viscous substance |
|
• Solubility |
Insoluble in cold water, ethanol, ether, benzene, soluble in hot water, hot Sodium bisulfite, and alkali solution |
|
• Stability |
Oxidized in the air, be red rose |
SPECIFICATIONS
|
• Assay |
≥50% |
|
• Free Acid |
≤3% |
APPLICATION
• Acidity mordant dye and complex dyestuff
PACKING
• 40kg/bag, double lining, knitting bag
STORAGE AND TRANSPORTATION
• Store in ventilated and dry place
