2,5-Cyclohexadien-1-one, 4-[(4-amino-8-hydroxy-1-naphthalenyl)imino]-, reaction products with sodium sulfide (Na2(Sx))

Preparation

4-(4-Amino-8-hydroxynaphthalen-1-ylimino)cyclohexa-2,5-dienone with Sodium polysulfide solution at 110 ℃ reflux heating 50 hours, then pass air precipitation out dye (BIOS 1155,). This indophenol?is by 5-Aminonaphthalen-1-ol and 4-Aminophenol with Sodium hypochlorite oxidation of mixture and be.

Properties and Applications

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Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	4	4-5	5-6	3-4		4-5	3