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Direct Brown MM Direct Brown 2 100%

Direct Brown 2
C.I. No.: 22311
CAS No.: 2429-82-5
Molecular Formula: C29H19N5Na2O7S
Molecular Weight: 627.54
Shade: Brown.

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Model:
Direct Brown MM Direct Brown 2 100%
Brand:
Ritan

Product Description

Direct Dark Brown mm Direct Brown 2 for Textile, Paper Use

C.I.: Direct Brown 2 C.I.: 22311

CAS: 2429-82-5/25255-06-5 EC: 219-391-6

Chemical Formula: C29H19N5Na2O7S Molecular Weight: 627.54

Chemical Structure: Bisdiazo

Direct Brown 2 Dark Brown mm 100% CAS: 2429-82-5 Direct Dye Dyes

Relative Name:
C.I. Direct Brown 2 (7CI);C.I. Direct Brown 2, disodiumsalt (8CI);Direct Brown M (6CI);Airedale Brown MD;Aizen Direct Brown MH;Amanil Brown MR;Atlantic Brown M;Atul Direct Brown MY;Azine Brown M;Azomine Brown M;Belamine Fast Brown M;Benzanil Brown M;Benzanol Brown M;Benzo Brown M;Brasilamina Fast Brown 3RA;Brown M;Calcomine Brown MCW;Chloramine Brown 2ME;Chloramine BrownMR;Chlorazol Brown M;Chlorazol Brown MP;Chrome Leather Brown M;ColumbiaBrown M;Diacotton Brown M;Diamine BrownM;Diamine Brown MBA-CF;Diaphtamine BrownM;Diazine Brown M;Diazine Brown MWR;DiphenylBrown 3RB;Diphenyl Brown BVV;Diphenyl Fast Brown MD;

Direct Direct Brown 2 Physical Properties and light fastness, solubility.

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

Direct Direct Brown 2 Properties:
red light brown. Brown powder. Soluble in water solution is a deep red light brown, soluble in ethanol is palm red light, soluble in soluble fiber element for red light brown, slightly soluble in acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted red light brown, precipitation; In nitric acid for orange brown. The dye solution to join strong hydrochloric acid for dark brown; Add thick sodium hydroxide solution for orange brown.

Applications:
Cellulose fiber of dyeing, dye devoured rate is good, the temperature of 60 to 80 ºC in the biggest affinity, discharge of dyeing with copper sulfate after treatment, it can improve the color fastness. Mainly used for cotton, such as glue of cellulose fiber dyeing and printing directly, can also be used for the pulp, leather dyeing and manufacturing color pigment sediment

Package, 25KG/DRUM, CARTON BOX, BAG

微信图片_2025-09-03_100619_143

Note:The data contained here based on our current knowledge and experience.It is the responsibility of user to test our product 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