Name:C.I.Acid Red 81,C.I.68200
Molecular Structure: anthraquinones
Molecular Weight: 454.43
CAS Registry Number:6846-33-9
Manufacturing Methods : 1-Bromo-4-(N-methylacetamido)anthraquinone condensation into 6-Bromo-3-methyl-3H-naphtho[1,2,3-de]quinoline-2,7-dione, then with aniline condensation, again with hair smoke sulphonated sulfuric acid, and translated into sodium salt.
Properties and Applications: colourful red blue light. Soluble in alcohol. The strong sulfuric acid for blue-ray red, diluted into pink.
|Standard||Light Fastness||Soaping||Persperation Fastness||Oxygen bleaching||Fastness to seawater|
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