dye|World dye variety

Name:C.I.Basic Red 11,C.I.45050

Molecular Structure: Xanthene class

C.I.Basic Red 11,C.I.45050,CAS 72968-14-0,374.86,C20H23ClN2O3,Rhodamine S

Molecular Formula:C₂₀H₂₃ClN₂O₃

Molecular Weight: 374.86

CAS Registry Number:72968-14-0

Manufacturing Methods : (a) 3 – (Dimethylamino) phenol and Furan-2 ,5-dione melting (BP 2635/89); (b) Dimethylamine and resorcinol – Furan-2 ,5-dione in 170 ~ 200 ℃ and the pressure reaction (BP 10047/90).

Properties and Applications: Pink, Soluble in water for a yellow fluorescent red solution, slightly soluble in ethanol, have intense yellow fluorescence. The strong sulfuric acid is palm in light yellow, with strong green fluorescent, diluted red rose. The dye solution to join sodium hydroxide fade away.

List of Suppliers:

Rhodamine S( Society of Chemical Industry)