Preparation
(a) Benzaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid condensation, oxidation, its product again and p-Methylaniline and Triethylamine hydrochloride reaction.
Properties and Applications
brilliant blue purple. Slightly soluble in cold water, soluble in hot water for purple. In concentrated sulfuric acid for brilliant orange red, after dilution is purple.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4
|
3
|
4
|
4
|
4-5
|
4-5
|
5
|
|
AATCC
|
4
|
3
|
4
|
|
5
|
4-5
|
5
|
![5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-[(4-tolyl)amino]phenyl]methyl]-3-methylsalicylic acid Structure](https://www.chemicalbook.com/CAS/GIF/5852-33-5.gif)