Specification
item | value |
CAS No. | 12217-81-1 |
MF | C21H15NO3 |
EINECS No. | 81-48-1 |
Place of Origin | China |
Type | Disperse Dye |
Usage | Paper Dyestuffs, Textile Dyestuffs |
Character Description： Black purple needle shaped crystal. It turns green when meeting with concentrated sulfuric acid, and turns purple with decreasing acidity. Soluble in acetone, ethyl acetate, benzene and hot acetic acid, slightly soluble in ethanol, insoluble in water.
Physical parameters： Melting point: 190-191 ℃
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