dye|World dye variety

Name:C.I.Mordant Red 45,C.I.58230

Molecular Structure: anthraquinones

C.I.Mordant Red 45,C.I.58230,CAS 6486-93-7,256.21,C14H8O5,Brilliant Alizarine Bordeaux R

Molecular Formula:C₁₄H₈O₅

Molecular Weight: 256.21

CAS Registry Number:6486-93-7

Manufacturing Methods :  (a) in the presence of  Boric acid, with fuming sulfuric acid oxidation 1,2-Dihydroxyanthracene-9,10-dione , and hydrolysis; (b) 5,6-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-1-sulfonic acid and sodium hydroxide reaction; (c) 1,5-Dihydroxyanthracene-9,10-dione with Sodium nitrate and Sodium hydroxide or had better use Sodium hydroxide and Potassium hydroxide mixture for oxidation.

Properties and Applications: bordeaux (aluminum), dark purplish red (chromium). Soluble in ethanol and Acetic acid glacial. In concentrated sulfuric acid to dark purple, dilution after yellow orange precipitation; In concentrated sulfuric acid Boric acid added to blue.

List of Suppliers:

Brilliant Alizarine Bordeaux R ( Bayer Group )