Direct Dyes Brown 2 for Paper Dyeing

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


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