Direct blue 25 (C.I. 23790)
CI 23790
CAS: 2150-54-1
Molecular Formula: C34H22N4Na4O16S4
Direct blue 25 (C.I. 23790) - Names and Identifiers
| Name | CI 23790 |
| Synonyms | CI 23790 DIANIL BLUE B DIRECT BLUE 5B C.I. Direct Blue 25 dianilbluebc.i.no.23790 Direct blue 25 (C.I. 23790) 5-dihydroxy-is(azo)]bis[tetrasodiumsalt 2,7-naphthalenedisulfonicacid,3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)b tetrasodium 3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonate] |
| CAS | 2150-54-1 |
| EINECS | 2184325 |
Direct blue 25 (C.I. 23790) - Physico-chemical Properties
| Molecular Formula | C34H22N4Na4O16S4 |
| Molar Mass | 962.77 |
Direct blue 25 (C.I. 23790) - Introduction
Direct Blue 5B is an organic dye with the chemical name C.I. Direct Blue 15. Its molecular formula is C32H25N8Na3O9S2, and is a water-soluble powder substance.
Direct Blue 5B is commonly used for dyeing in the textile, leather and paper industries. It can interact directly with the fibers and can provide bright and long-lasting colors.
The method of preparing direct Blue 5B is mainly through the reaction of aniline compounds and phenol compounds, which are synthesized through multi-step reactions.
Regarding safety information, the use of direct Blue 5B should pay attention to the following points:
-Avoid contact with skin and eyes. Wear protective gloves and goggles when using, and ensure a well-ventilated working environment.
-During use and storage, keep away from fire, sparks and high temperature.
-Avoid contact with strong oxidants to prevent fire.
-When disposing of the waste of Direct Blue 5B, it should be disposed of in accordance with local regulations to avoid pollution to the environment.
Direct Blue 5B is commonly used for dyeing in the textile, leather and paper industries. It can interact directly with the fibers and can provide bright and long-lasting colors.
The method of preparing direct Blue 5B is mainly through the reaction of aniline compounds and phenol compounds, which are synthesized through multi-step reactions.
Regarding safety information, the use of direct Blue 5B should pay attention to the following points:
-Avoid contact with skin and eyes. Wear protective gloves and goggles when using, and ensure a well-ventilated working environment.
-During use and storage, keep away from fire, sparks and high temperature.
-Avoid contact with strong oxidants to prevent fire.
-When disposing of the waste of Direct Blue 5B, it should be disposed of in accordance with local regulations to avoid pollution to the environment.
Last Update：2024-04-10 22:29:15
