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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: | REACTIVE BLACK 5 |
| Synonyms: | REMAZOL BLACK B;(azo))-5-amino-4-hydroxy-,di(hydrogensulfate)ester,tetrasodiumsalt;2,7-naphthalenedisulfonicacid,3,6-(bis(4-((2-hydroxyethyl)sulfonyl)phenyl)bis;2,7-naphthalenedisulfonicacid,4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethy;C.I.Reactiveblack5;C.I.ReactiveBlack5(20505);cavaliteblackb;celmazolblackb |
| CAS: | 17095-24-8 |
| MF: | C26H26N5NaO19S6 |
| MW: | 927.86 |
| EINECS: | 241-164-5 |
| Product Categories: | Organics |
| Mol File: | 17095-24-8.mol |
| Melting point | >300 °C(lit.) |
| density | 1.21 g/cm3 at 20 °C |
| storage temp. | room temp |
| solubility | Methanol (Slightly), Water (Slightly) |
| form | Solid |
| color | Very Dark Brown to Black |
| λmax | 597 nm |
| LogP | -3.75 at 25℃ and pH6 |
| CAS DataBase Reference | 17095-24-8 |
| EPA Substance Registry System | C.I. Reactive Black 5 (17095-24-8) |
| Hazard Codes | Xn |
| Risk Statements | 42-42/43 |
| Safety Statements | 36-36/37-22 |
| WGK Germany | 3 |
| RTECS | QJ6402500 |
| Chemical Properties | Black powder. Solubility in water (20℃) is 100g/L. The aqueous solution is bluish black, add 1mol/L sodium hydroxide, the color is unchanged, then add the insurance powder and warm to yellowish brown, then add sodium perborate, the color can not be restored to the original color. It is blue-green in concentrated sulfuric acid and greenish gray after dilution; it is brown in concentrated nitric acid and light brown after dilution. |
| C.I.Reactive Black 5 can be used for Ink jet recording apparatus and ink jet method reducing clogging during textile printing | |
| Uses | Reactive Black 5 (RB5) has been:
|
| ChEBI: A bis(azo) compound with two aryldiazenyl moieties placed at positions 2 and 7 of a multi-substituted naphthalene. | |
| General Description | Reactive Black 5 belongs to the class of textile azo dyes. It can be biodegraded by the laccase enzyme in Ganoderma lucidum. |
| Raw materials | Sodium carbonate-->Sodium nitrite-->SULFATE STANDARD-->2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate |
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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