Mordant Brown 51
Mordant Brown 51 Basic information
- Product Name:
- Mordant Brown 51
- Synonyms:
-
- Mordant Brown 51
- C.I.Mordant Brown 51:C.I.26530
- CAS:
- 6470-56-0
- MF:
- C24H17N4NaO12S2
- MW:
- 640.53
- Mol File:
- 6470-56-0.mol
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Mordant Brown 51 Usage And Synthesis
Preparation
3-Amino-2-hydroxy-5-sulfobenzoic acid diazotization, and 5-Aminonaphthalene-2-sulfonic acid coupling, product and diazotization, coupled with 2-Hydroxybenzoic acid.
Properties and Applications
red light brown. Soluble in water for golden orange, insoluble in alcohol. In concentrated sulfuric acid to green light blue, after dilution to golden brown. Dye aqueous solution with concentrated hydrochloric acid for yellow brown to olive; Join concentrated sodium hydroxide solution for purple.
| Standard(cotton) | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4-5 | 3-4 | 4 | 3 | 4-5 | ||