dye|World dye variety

Name:C.I.Acid Brown 143,C.I.20260

Molecular Structure: Double azo,Metal Complexes

C.I.Acid Brown 143,C.I.20260,CAS 6408-05-5,540.4,C19H13N6NaO10S,Dark Brown CN,Brown RL

Molecular Formula:C₁₉H₁₃N₆NaO₁₀S

Molecular Weight: 540.4

CAS Registry Number: 6408-05-5

Manufacturing Methods :   2-Amino-4,6-dinitrophenol diazo, acetic acid with Resorcinol coupling, 4-Amino-3-methylbenzenesulfonic acid diazo, and the generation of single accidentally coupled nitrogen compounds, then with aqueous acid chromium heating, in 100 ~ 102 ℃ to keep four hours, create chromium complex.

Properties and Applications: dark red light brown.

List of Suppliers:

Lunergan Dark Brown CN ( BASF Aktiengesellschaft )

Vilmacor Brown RL( Vilmax SA )