Reasonable price Direct Copper Blue 2b - Manufacturer of Direct Scarlet 4BS –
Reasonable price Direct Copper Blue 2b - Manufacturer of Direct Scarlet 4BS – Detail:
Molecular Structure:
|
Color Shade |
Product Name |
Content |
Dyeing Depth |
Fastness Properties(Change of Shade) |
|||||
|
Light |
Washing |
Hot Pressing 200℃ |
Perspiration |
Rubbing (Dry) |
Rubbing (Wet) |
||||
|
|
Scarlet 4BS |
150% |
0.7 |
2-3 |
3 |
3 |
3 |
4-5 |
2 |
Synonyms: C.I. 29160; C.I. Direct Red 23 (VAN); C.I. Direct Red 23, disodium salt; C.I. Direct Red 23; C.I. Direct Red 23, disodium salt; Direct Red 23; Scarlet 4BS; disodium 4-oxo-3-(2-{4-[(2-oxoethyl)amino]phenyl}hydrazinylidene)-6-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonate; (3E)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid; Direct Scarlet 4BS
Property: It is bright red to magenta in concentrated sulfuric acid, and turns brownish orange after dilution; Orange yellow precipitates in concentrated nitric acid; Insoluble in concentrated caustic soda; It is bright red in concentrated ammonia. Its aqueous solution, with concentrated hydrochloric acid, has wine red precipitation; Add 10% sulfuric acid to slightly turn blue; Concentrated alkali liquor is red orange brown; Add 10% pure Da Huai, no change. Darken in case of copper light; It is almost unchanged in case of iron color light and has good acid resistance. For cellulose fiber dyeing, the dye absorption is very good, and the affinity is the largest at 80-100 ℃.
Application: It is mainly used for dyeing and printing of cotton, viscose, hemp and other fiber fabrics, dyeing of silk and wool, dyeing of paper and leather, and manufacturing lake pigments. In addition to dyeing bright red and bright red (yellow light light light red) separately, it is also used for color matching with yellow, orange, red, brown and other dyes. After dyeing, it is treated with urea formaldehyde resin or color fixing agent y, and the color light is basically unchanged. If it is treated with color fixing agent M, the color light will obviously turn blue.
Storage:store in a cool and ventilated room.
Quality guarantee period: 36 months.
Packing: 25kgs iron drum or woven bag.
Product detail pictures:
Related Product Guide:
Always customer-oriented, and it's our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for Reasonable price Direct Copper Blue 2b - Manufacturer of Direct Scarlet 4BS – , The product will supply to all over the world, such as: Singapore, Mongolia, belarus, With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
By Gail from Swansea - 2017.10.13 10:47
We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
By Joanna from Peru - 2018.10.31 10:02
