Acid Black 234
Acid Black 234
CAS: 157577-99-6
Molecular Formula: C34H26N10Na2O9S3
Acid Black 234 - Names and Identifiers
Acid Black 234 - Physico-chemical Properties
| Molecular Formula | C34H26N10Na2O9S3 |
| Molar Mass | 860.8 |
| Density | 1.193[at 20℃] |
| Water Solubility | 215g/L at 20℃ |
| Vapor Presure | 0Pa at 25℃ |
| pKa | 7.62[at 20 ℃] |
Acid Black 234 - Reference Information
| LogP | -1.86 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | weak acid black NB-G is mainly used for wool, silk, cotton, viscose dyeing, also can be used for leather coloring. |
| production method | with 4,4 '-diaminobenzenesulfonyl aniline, H acid, aniline and M-phenylenediamine as raw materials, firstly 4,4'-diaminobenzenesulfonyl aniline and aniline were diazotized, coupled with H acid, respectively, and finally with M-phenylenediamine to give the product. After salting out, filtration, drying, grinding to get the finished product.. |
Last Update：2024-04-09 21:01:54
