【 WhatsApp】
+86-21-6420 0566
8618501763615
| 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: | ACID VIOLET 7 |
| Synonyms: | 1425red;2,7-naphthalenedisulfonicacid,5-(acetylamino)-3-((4-(acetylamino)phenyl)azo);5-(acetylamino)-3-[[4-(acetylamino)phenyl]azo]-7-naphthalenedisulfonicacid;acetylred6b;acetylrose5bl;acetylrose6bl;acidfastrede6b;Acidfuchsine6B |
| CAS: | 4321-69-1 |
| MF: | C20H16N4Na2O9S2 |
| MW: | 566.47 |
| EINECS: | 224-352-1 |
| Product Categories: | A;Stains and Dyes;Stains&Dyes, A to;Dyes and Pigments;Organics |
| Mol File: | 4321-69-1.mol |
| form | Powder |
| Colour Index | 18055 |
| color | Dark-brown |
| λmax | 520 nm |
| EPA Substance Registry System | C.I. Acid Violet 7, disodium salt (4321-69-1) |
| WGK Germany | 2 |
| RTECS | QJ6000000 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Chemical Properties | Deep red powder. Soluble in water, aqueous solution is bluish red to red, adding concentrated hydrochloric acid is magenta; adding sodium hydroxide solution is orange-brown. Slightly soluble in ethanol, acetone and ethylene glycol ethyl ether, insoluble in other organic solvents. Bluish red in concentrated sulfuric acid, bright red after dilution; red solution in concentrated nitric acid, then turn orange. When stained with copper ions, the color is slightly dark blue; when stained with iron ions, it is slightly light dark blue; when stained with chromium ions, the color is less affected. | ||||||||||||||||||||||||||||||||
| Acid Violet 7 is a dye/stain. Dyes and metabolites. | |||||||||||||||||||||||||||||||||
| Preparation | N-(4-aminophenyl)acetamide diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling. | ||||||||||||||||||||||||||||||||
red light purple. Deep red powder. Soluble in water is blue light red to red. Slightly soluble in ethanol, acetone and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid is blue light red, diluted is bright red; Meet nitric acid solution for scarlet to orange. Its solution and strong hydrochloric acid is product red; Add sodium hydroxide solution is orange brown. Dyeing copper and iron ion in its colour and lustre the former micro blue dark, the latter slightly shallow, encounter chromium ion little influence. Good levelness. Used for wool, silk, polyamide fiber and leather, paper, soap, wood, medicine and cosmetics of dyeing, can also be used for the biological dyeing.
| |||||||||||||||||||||||||||||||||
| Raw materials | Sulfonated castor oil-->4'-Aminoacetanilide-->INDUSTRIAL SALT-->4-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid-->Naphthionic acid-->4'-Aminoacetanilide-->4-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid |
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.
Ready to Start?
For help with solutions customized to your business needs, contact Export Director now.
With 30+ years of experience and We firmly believe that product quality is the basis of cooperation.
Chat Now
Phone
8618501763615
Working hours
Monday to Friday
TEl
+86-21-6420 0566
