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Home Product name listC.I. Acid Red 81

C.I. Acid Red 81

CAS NO.：6846-33-9
Empirical Formula: C23H15N2NaO5S
Molecular Weight: 454.43037

C.I. Acid Red 81 Structural

What is C.I. Acid Red 81?

Preparation

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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	5-6	3	3-4	3	2-3		3-4

Safety information for C.I. Acid Red 81

Abamectin manufacturer

Neha Chem

Mumbai

product: Acid red 81

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ACID RED 88

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EOSIN B

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