Mordant Blue 18
Mordant Blue 18 Basic information
- Product Name:
- Mordant Blue 18
- Synonyms:
-
- Acid mordant Blue 18
- Mordant blue 18 (C.I. 18090)
- 5-(Acetylamino)-3-[(5-chloro-2-hydroxyphenyl)azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
- Acid Chrome Blue 2A
- Acid Chrome Blue 2K
- Anthracene Chrome Blue BR
- Azochromol Mordant Blue R
- C.I. 18090
- CAS:
- 6844-73-1
- MF:
- C18H12ClN3Na2O9S2
- MW:
- 559.86
- Mol File:
- 6844-73-1.mol
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Mordant Blue 18 Usage And Synthesis
Preparation
2-Amino-4-chlorophenol diazotization, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications
red light navy blue. Black powder. Soluble in water for magenta, slightly soluble in alcohol. In concentrated sulfuric acid for dark blue, dilution after magenta. Its aqueous solution and concentrated hydrochloric acid into product red; With strong caustic into bordeaux red. In the dyeing of copper, iron, lead ion sensitive. Suitable for wool and silk dyeing.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4-5 | 5-6 | 4-5 | 5 | 5 | 5 | |