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Direct Violet 51 Diect Violet Bb
ritan
Product Name: Direct Violet 51
C.I. No.: 27905
CAS No.: 5489-77-0
Molecular Formula: C32H27N5Na2O8S2
Molecular Weight: 719.7
Shade: blue purple powder.
Relative name:
C.I. Direct Violet 51 (7CI);C.I. Direct Violet 51,disodium salt (8CI);Sirius Violet BB (6CI);Amanil Fast Violet BL;AtlanticFast Violet FFB;Azine Light Violet BB;Benzanil Fast Violet 2BL;Benzo ViscoseViolet BL;Chloramine Brilliant Fast Violet 3B;Chrome Leather Violet BL;Cotton Violet BB; Levacell Violet BB;Diazol Light Violet B;Diphenyl Brilliant VioletB; Diphenyl Brilliant Violet RC; Direct Fast Violet BL;
Direct Violet 51 Physical Properties and light fastness, solubility.
| Direct Violet 51 | |
| Dyeing depth % | 2 |
| Insolubles % | 0.15 |
| Light Fastness | 3-4 |
| Washing Fatness | 1-2 |
| Rubbing fastness(dry) | 4 |
| Rubbing fastness(wet) | 3 |
Direct Violet 51 Properties:
blue purple. Purple powder. For the red light purple is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in dark green for blue-ray, diluted into blue; In nitric acid for blue-ray in green, to dark brown. The dye solution to join strong hydrochloric acid into blue, precipitation; Add thick sodium hydroxide solution to purple, have precipitation. 60 ºC the solubility of 15 when g/L, 97 ºC the solubility of 25 g when/L, not sensitive to that fights. For blue light purple, dyeing encounter copper, iron ion colored light are a little red. For A class SDC classification. To dead cotton covered the gender is poorer, cotton and glue neutral white are 4 ~ 5 level, cotton white alkaline for 4 ~ 5 level, viscose alkaline white into four grades.
Application:
Used for cotton, viscose, wool, silk and polyamide fiber dyeing and printing directly. Can also be used for leather, paper, water-based ink color.
Package, 25KG/DRUM, CARTON BOX, BAG
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.

Storage: Store at a ventilated, dry place.
Execution Standards: International Standard.
| NO. | Color sample | Dyes name | Strength | International Numbering | Packing |
| 1 | Direct yellow R | 150% | Direct Yellow 11 | 25Kg/DR | |
| 2 | Direct frozen yellow GX | 100% | Direct Yellow 12 | 25Kg/DR | |
| 3 | Direct frozen yellow GX | 110% | Direct Yellow 12 | 25Kg/DR | |
| 4 | Direct Orange S | 100% | Direct Orange 26 | 25Kg/DR | |
| 5 | Direct Orange S | CONC 175% | Direct Orange 26 | 25Kg/DR | |
| 6 | Direct Orange 2GL | 200% | Direct Brown 39 | 25Kg/DR | |
| 7 | Direct yellowish-brown D3G | 100% | Direct Brown 1 | 25Kg/DR | |
| 8 | Direct deep brown M | 100% | Direct Brown 2 | 25Kg/DR | |
| 9 | Direct deep brown MM | 100% | Direct Brown 2 | 25Kg/DR | |
| 10 | Direct red brown MN | 100% | Direct Brown | 25Kg/DR | |
| 11 | Direct Bordeaux B | 100% | Direct Red 13 | 25Kg/DR | |
| 12 | Direct acid proof scarlet 4BS | 100% | Direct Red 23 | 25Kg/DR | |
| 13 | Direct acid proof scarlet 4BS | CONC 150% | Direct Red 23 | 25Kg/DR | |
| 14 | Direct acid proof bordeaux FBA | CONC 150% | Direct Red | 25Kg/DR | |
| 15 | Direct red 4BE | 100% | Direct Red 28 | 25Kg/DR | |
| 16 | Direct pink 12B | 100% | Direct Red 31 | 25Kg/DR | |
| 17 | Direct pink 12B | CONC 150% | Direct Red 31 | 25Kg/DR | |
| 18 | Direct fast red F3B | 150% | Direct Red 80 | 25Kg/DR | |
| 19 | Direct fast red 4B | 100% | Direct Red 81 | 25Kg/DR | |
| 20 | Direct fast red 4B | 150% | Direct Red 81 | 25Kg/DR | |
| 21 | Direct fast red F2B | 100% | Direct Red 224 | 25Kg/DR | |
| 22 | Direct fast red BWS | 100% | Direct Red 243 | 25Kg/DR | |
| 23 | Direct green BE | 100% | Direct Green 1 | 25Kg/DR | |
| 24 | Direct green B | 100% | Direct Green 6 | 25Kg/DR | |
| 25 | Direct blue BH | 180% | Direct Blue 2 | 25Kg/DR | |
| 26 | Direct blue 2B | 100% | Direct Blue 6 | 25Kg/DR | |
| 27 | Direct lake blue 5B | 100% | Direct Blue 15 | 25Kg/DR | |
| 28 | Direct lake blue 5B | 120% | Direct Blue 15 | 25Kg/DR | |
| 29 | Direct fast blue B2RL | 100% | Direct Blue 71 | 25Kg/DR | |
| 30 | Direct light turquoise blue GL | 100% | Direct Blue 86 | 25Kg/DR | |
| 31 | Direct light turquoise blue GL | 120% | Direct Blue 86 | 25Kg/DR | |
| 32 | Direct light turquoise blue GL | CONC 150% | Direct Blue 86 | 25Kg/DR | |
| 33 | Direct copper blue 2B | 100% | Direct Blue 151 | 25Kg/DR | |
| 34 | Direct copper blue 2B | CONC 150% | Direct Blue 151 | 25Kg/DR | |
| 35 | Direct fast blue FBL | 150% | Direct Blue 199 | 25Kg/DR | |
| 36 | Direct fast blue 4BL | 200% | Direct Blue 200 | 25Kg/DR | |
| 37 | Direct fast blue BRL | 200% | Direct Blue 201 | 25Kg/DR | |
| 38 | Direct ash D | 100% | Direct Black 17 | 25Kg/DR | |
| 39 | Direct fast black G | 100% | Direct Black 19 | 25Kg/DR | |
| 40 | Direct fast black G | CONC 150% | Direct Black 19 | 25Kg/DR | |
| 41 | Direct fast black VSF | 300% | Direct Black 22 | 25Kg/DR | |
| 42 | Direct fast black VSF | 600% | Direct Black 22 | 25Kg/DR | |
| 43 | Direct fast black VSF | 800% | Direct Black 22 | 25Kg/DR | |
| 44 | Direct black EX | 100% | Direct Black 38 | 25Kg/DR | |
| 45 | Direct black EX | 150% | Direct Black 38 | 25Kg/DR | |
| 46 | Direct black EX | 180% | Direct Black 38 | 25Kg/DR | |
| 47 | Direct black EX | CONC 200% | Direct Black 38 | 25Kg/DR | |
| 48 | Direct light gray LBN | 200% | Direct Black 56 | 25Kg/DR | |
| 49 | Direct black HEF | 150% | Direct Black 168 | 25Kg/DR | |
| 50 | Direct fast yellow 5GL | 100% | Direct Yellow 27 | 25Kg/DR | |
| 51 | Direct fast yellow RS | 100% | Direct Yellow 50 | 25Kg/DR | |
| 52 | Direct fast yellow RS | CONC 150% | Direct Yellow 50 | 25Kg/DR | |
| 53 | Direct fast yellow D-RL | 100% | Direct Yellow 86 | 25Kg/DR | |
| 54 | Direct fast yellow TGFF | 500% | Direct Yellow 96 | 25Kg/DR | |
| 55 | Direct fast yellow PG | 100% | Direct Yellow 142 | 25Kg/DR | |
| 56 | Direct light purple BK | 150% | Direct Violet 9 | 25Kg/DR | |
| 57 | Direct light purple 4BL | 250% | Direct Violet 66 | 25Kg/DR |
