Sirius red BB / Sirius rose BB / direct red 2B / chlorazole sun resistant peach

English name：Sirius Rose BB；Chlorazol Fast Pink；Direct Red 75 tetrasodium salt；Tetrasodium 5,5'-[carbonylbis[imino(2-sulphonato-4,1-phenylene)azo]]bis(6-amino-4-hydroxynaphthalene-2-sulphonate)

Other names: Tetrasodium 5,5 '- [hydroxybis [imino (2-sulfo-4,1-phenylene) azo]] bis (6-amino-4-hydroxy) - 2-naphthalene sulfonic acid; Direct red 2B; Direct red 75; Chlorazole sun resistant peach red; Sirius scarlet BB

CAS No.: 2829-43-8

C33H22N8Na4O15S4=990.79

Grade: ar

Effective spectral content dye content: ≥ 30.0%

Physicochemical properties: red to reddish brown powder

Purpose: biochemical research.

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