Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 41,C.I.49015

Molecular Structure: phenylethylene

C.I.Fluorescent Brightener 41,C.I.49015,CAS 1483-30-3,237.32,C15H11NS,Uvitex RS

Molecular Formula:C₁₅H₁₁NS

Molecular Weight: 237.32

CAS Registry Number:1483-30-3

Manufacturing Methods :(a) Cinnamoyl chloride and 2-Aminobenzenethiol or its sodium salt in benzene or in ethanol condensation; (b) 3-Phenylacrylic acid and 2-Aminobenzenethiol in 210 ~ 220 ℃ condensation; (c) 2-Methylbenzo[d]thiazoleand and Benzaldehyde   in the Zinc chloride presence of condensation.

Properties and Applications:red light blue. In neutral or weak acid dye bath used in cotton and nylon; On hypochlorite stability. Chlorine bleaching fastness.

List of Suppliers:

Uvitex RS(Ciba Specialty Chemicals Inc)