| Name | Tracid Rubine 5bl |
| Synonyms | Rubine 5BL Acid Red N-5BL C.I. Acid Red 299 Tracid Rubine 5bl telon fast red AFG Tracid Bordeaux 5BL Acid Milling Red 5BL Weak Acid Bordeaux 5BL |
| CAS | 12220-29-0 |
| Molecular Formula | C26H24N5O5S.Na |
| Physical and Chemical Properties | Jujube red powder. Soluble in water. |
| Use | weak acid paste red 5BL is used for dyeing wool, silk, nylon and direct printing of fabrics. for dyeing and printing of wool, silk and nylon fabrics |
| production method | with M-aminobenzenesulfonic acid, 1-Naphthylamine and N,N-dihydroxyethylaniline as raw materials, the M-aminobenzenesulfonic acid was first diazotized, coupling with 1-Naphthylamine, followed by a second diazotization, followed by coupling with N,N-dihydroxyethylaniline gave the product. The final product was obtained by filtration, drying and pulverization.. |