Disperse Dyes Based on Thiazole, Their Dyeing Application on Polyester Fiber and Their Antimicrobial Activity

Table 1

Yield, λmax, melting points, and nitrogen analysis of disperse dyes.

Dye number	R	Yield (%)	λmax (nm)	M.P. °C	Nitrogen (%)
					Found	Calcd.
D1	H	81	456	148	18.35	18.33
D2	4-NO2	72	427	153	19.55	19.47
D3	3-NO2	78	472	142	19.51	19.47
D4	2-CN,4-NO2	58	412	157	21.0	21.2
D5	2-OH	70	429	137	17.50	17.71
D6	3-OH	69	432	144	17.66	17.71
D7	4-OH	73	414	131	17.64	17.71
D8	4-CH3	77	419	141	17.86	17.79
D9	3-CH3	72	458	137	17.77	17.79
D10	4-Cl	68	438	146	16.85	17.05
D11	2,4-di NO2	60	425	164	20.05	20.43
D12	2,4-di NO2, 6-Cl	62	484	178	19.28	19.22
D13	2,6-di Br,4-NO2	65	421	183	14.72	14.83