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Direct Black 19 Direct Fast Black G 100%

Product Name: Direct Black 19
C.I. No.: 35255
CAS No.: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Relative Name:
Direct Light Fastness Black L-3BQ,Direct Light Fastness Black,Direct Light Fastness G

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Model:
Direct Black 19
Brand:
Ritan

Product Description

Direct Fast Black G, Direct Black 19 for Textile, Paper Use

Product Name: Direct Black 19
C.I. No.: 35255
CAS No.: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Relative Name:
Direct Light Fastness Black L-3BQ,Direct Light Fastness Black,Direct Light Fastness G
Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;

Direct Direct Black 19 Physical Properties and light fastness, solubility.

Direct Direct Black 19
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	3
Washing Fatness	2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

Direct Direct Black 19 Properties:
green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ºC), slightly soluble in ethanol and acetone. The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color.

Applications:
Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum 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

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