dye|World dye variety

Name:C.I.Acid Red 213,C.I.156751

Molecular Structure: Single azo,1:2 Cobalt complexes

C.I.Acid Red 213,C.I.156751,CAS 12715-60-5,343.36,C16H13N3O4S,Neutral Complex red GRL,Neutral Bordeaux D-BL,Neutral Bordeaux GRL

Molecular Formula:C₁₆H₁₃N₃O₄S

Molecular Weight: 343.36

CAS Registry Number:12715-60-5

Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonamide diazo, and Naphthalen-2-ol coupling . Then converted to 1:2 cobalt complexes with cobalt chloride complexing.

Properties and Applications:  blue-ray red. Red brown powder. Soluble in water. The strong sulfuric acid for purple, diluted produce purple precipitation; No change in strong hydrochloric acid, no change after diluted; In nitric acid was damaged in, after diluted more precipitation; In the thick of sodium hydroxide solution no change after diluted into red solution. Used for wool, silk, polyamide fiber and its blended fabric dyeing, also can be used for wool, silk, viscose and wool fabric printing, also can be used for leather dyeing.

List of Suppliers:

Neutral Complex red GRL,Neutral Bordeaux D-BL,Neutral Bordeaux GRL

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Shangyu Guangming Chemical Co.,Ltd.

Ostalan Bordeaux GRL( SPOLCHEMIE )