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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 Red 79 |
| Synonyms: | direct red 79 2,7-Naphthalenedisulfonic acid, 4,4'-[carbonylbis [imino(5-methoxy-2-methyl-4,1-phenylene) azo]] bis[5-hydroxy-, tetrasodium salt;Urea, N,N'-bis[[4-[[(3,6-disulfo-8-hydroxy) naphthalene-1-yl]azo]-2-methoxy-5-methyl] phenyl]-, tetrasodium salt;Direct red 79 (C.I. 29065);tetrasodium 4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-hydroxynaphthalene-2,7-disulphonate];2,7-Naphthalenedisulfonic acid, 4,4-carbonylbisimino(5-methoxy-2-methyl-4,1-phenylene)azobis5-hydroxy-, tetrasodium salt;Chlorantine Fast Red 6BLL;C.I.DIRECTRED79;4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-7-naphthalenedisulfonic acid |
| CAS: | 1937-34-4 |
| MF: | C37H28N6Na4O17S4 |
| MW: | 1048.8673 |
| EINECS: | 217-708-2 |
| Product Categories: | Organics |
| Mol File: | 1937-34-4.mol |
| density | 1.606[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| Water Solubility | 2.14g/L at 20℃ |
| LogP | -2.363 at 20℃ |
| EPA Substance Registry System | C.I. Direct Red 79, tetrasodium salt (1937-34-4) |
| Chemical Properties | Soluble in water, aqueous solution is red to bluish red, solubility in water is 15g/L (60℃), 24g/L (97℃), very sensitive to hard water. Adding concentrated hydrochloric acid in aqueous solution produces bluish green precipitate; adding concentrated sodium hydroxide solution shows yellowish orange color. Slightly soluble in ethylene glycol ether, insoluble in other organic solvents. Blue in concentrated sulfuric acid, purple after dilution; blue-black solution in concentrated nitric acid, then blue, finally olive. When stained with copper and iron ions, the color and light change slightly. | |||||||||||||||||||||||||||
| Direct Red 79 (CAS# 1937-34-4) is an organic azo dye and freshwater pollutant. | ||||||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||||||
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| Raw materials | PHOSGENE-->2-Methoxy-5-methylaniline |
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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