Mordant Black 74
- Product Name
- Mordant Black 74
- CAS No.
- 6227-06-1
- Chemical Name
- Mordant Black 74
- Synonyms
- Mordant Black 74;C.I.Mordant Black 74:C.I.27740
- CBNumber
- CB39703464
- Molecular Formula
- C30H22N5NaO11S3
- Formula Weight
- 747.7
- MOL File
- 6227-06-1.mol
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Mordant Black 74 Chemical Properties,Usage,Production
Preparation
8-Amino-4-hydroxynaphthalene-2-sulfonic acid diazotization, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazotization, in alkaline condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue black (dichromate treatment). Soluble in water for purple black, not soluble in ethanol. In concentrated sulfuric acid to green light blue, dilution after red light blue. Dye aqueous solution to join concentrated hydrochloric acid have red light blue precipitation; Join concentrated sodium hydroxide solution for red light blue, precipitation.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 6-7 | 4-5 | 5 | 4-5 | 5 | |
Mordant Black 74 Preparation Products And Raw materials
Raw materials
Preparation Products
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Mordant Black 74 Suppliers
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