ChemicalBook > CAS DataBase List > C.I. Acid Red 81

C.I. Acid Red 81

Product Name
C.I. Acid Red 81
CAS No.
6846-33-9
Chemical Name
C.I. Acid Red 81
Synonyms
C.I.68200;Acid Red 81;C.I. Acid Red 81;C.I.Acid Red 81:C.I.68200;4-[(2,7-Dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]benzenesulfonic acid sodium salt
CBNumber
CB42078777
Molecular Formula
C23H15N2NaO5S
Formula Weight
454.43037
MOL File
6846-33-9.mol
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

C.I. Acid Red 81 Chemical Properties,Usage,Production

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
Fading Stain Fading Stain Fading Stain
ISO 5-6 3 3-4 3 2-3 3-4

C.I. Acid Red 81 Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

C.I. Acid Red 81 Suppliers