Acid Black 47
Name:C.I.Acid Black 47,C.I.56055
Molecular Structure: aphthoquinone class
Molecular Formula:C16H11N2NaO5S
Molecular Weight: 366.32
CAS Registry Number:1328-01-4
Manufacturing Methods : 4-Imino-5-hydroxy-8-amino-1(4H)-naphthalenone and amine reduction combined with sulfonated aniline .
Properties and Applications: blue ash.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 3-4 | 5 | 4 | 5 | 4 | ||
| AATCC | 3 | 4-5 | 4-5 | 5 | 4 | |||
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