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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 16 |
| Synonyms: | 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenylazo-, disodium salt;7-Amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt;C.I.27680;C.I.Direct Red 16;MMFAIRVIRUMWLM-DBHLKOEUSA-L;2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-(2-(5-hydroxy-6-(2-phenyldiazenyl)-7-sulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:2);C.I. Direct red 16, disodium salt;Disodium 7-amino-4-hydroxy-3-((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)azo)naphthalene-2-sulphonate |
| CAS: | 6227-02-7 |
| MF: | C26H20N5NaO8S2 |
| MW: | 617.58 |
| EINECS: | 228-323-4 |
| Product Categories: | Organics |
| Mol File: | 6227-02-7.mol |
| Boiling point | 1099.06℃[at 101 325 Pa] |
| density | 1.683[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| Water Solubility | 3.93g/L at 20℃ |
| LogP | -1.508 at 20℃ |
| EPA Substance Registry System | C.I. Direct Red 16, disodium salt (6227-02-7) |
| Uses | C.I. Direct red 16 is a good dyeing agent for cotton fabrics. | |||||||||||||||||||||||||||
| aniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupled its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | ||||||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||||||
red. Soluble in water for product red, slightly soluble in ethanol peach pink, insoluble in other organic solvents. The strong sulfuric acid for blue, red to orange diluted to brown, and a red precipitate.
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| References | [1] Sawada K, Ueda M. Adsorption behavior of direct dye on cotton in non-aqueous media[J]. Dyes and pigments, 2003, 58(1): 37-40. | |||||||||||||||||||||||||||
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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