Intermediate
Name:
4B Acid
No.: ITM-047
GENERAL INFORMATION
|
• CAS NO |
88-44-8 |
|
• GRADE |
Pigment Intermediate |
|
• FORMULA |
C7H9NO3S |
|
• MOLECULAR WEIGHT |
187.21 |
PROPERTIES
|
• Appearance |
White or cream yellow powder crystals |
|
• Solubility |
Soluble in dilute alkali solution, ethanol and ether; insoluble in cold water, benzene and chlorobenzene; slightly soluble in hot water |
|
• Melting Point |
300°C |
SPECIFICATIONS
|
• Assay(Total Amines) |
≥99.00% |
|
• Ammonia insoluble substances |
≤0.30% |
|
• Moisture |
≤0.50% |
|
• P-Toluidine |
≤0.30% |
应用APPLICATION
• Intermediate of organic pigment such as bright red 6B etc..
PACKING
• 25kg woven bag or paper bag
25-500kg contain bag
STORAGE AND TRANSPORTATION
• Store in dry ventilated place, keep away from drench and solarization
