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Product Name:Solvent Violet 31
Molecular Structure: anthraquinones 
Molecular Formula:C14H8Cl2N2O2
Molecular Weight: 307.13
CAS Registry Number:70956-27-3
Manufacturing Methods : 1,4-Diamino-2,3-dichloroanthracene-9,10-dione in1-Nitrobenzene using sulfuryl chloride chlorination.
Properties and Applications:blue light purple. In concentrated sulfuric acid for shallow dark brown, dilution after purple
Counter product: Neoplas Violet RR,Permalex Violet RR-B,Diaresin Violet D
Use:It is a reddish violet transparent color for coloring plastics,polymers,synthetic fibers,rubber products, waxes,oils,lubricants,fuel, gasoline,candles, industrial paints & printing inks.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | >7 | 310 | Insoluble | |||
