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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Direct Blue 151 |
| Synonyms: | The direct copper orchid;Direct copper orchid 2B;Directcopperblue2B;Direct blue 151 (C.I. 24175);Copper Blue 2R;Direct Lightfast Blue KU;Direct Blue 151;Direct Blue 151 ISO 9001：2015 REACH |
| CAS: | 110735-25-6 |
| MF: | C34H25N5O10S2.2Na |
| MW: | 773.708 |
| EINECS: | |
| Product Categories: | |
| Mol File: | 110735-25-6.mol |
| Preparation | 3,3′-Dimethoxylbenzidine double nitriding, first and 4-Hydroxynaphthalene-1-sulfonic acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | |||||||||||||||||||||||||||
red light blue. Blue-black powder. Soluble in water for blue purple or purple solution, and adequate soluble in ethanol for red light purple. The strong sulfuric acid in blue or green for Tracy blu-ray, diluted for purple. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick red or purple sodium hydroxide solution for red wine. Cellulose fiber of dyeing, dye devoured rate is very good, temperature in 100 ℃, the largest affinity, discharge the gender is good. When dyeing with copper sulphate treatment can improve a resistance fastness, with?formaldehyde treatment can improve washing fastness. Mainly used?for cotton, linen, rayon and other cellulose fibers, rayon / brocade fabric dyeing, leather and paper pulp can also be used for coloring.
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| Raw materials | J acid-->1-Naphthol-4-sulfonic acid-->o-Dianisidine |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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