Synthesis, Solvatochromic Performance, pH Sensing, Dyeing Ability, and Antimicrobial Activity of Novel Hydrazone Dyestuffs

Table 2

Colorfastness, shade, and tinctorial strength of dyed polyester substrates.

Dyes	Wash		Perspiration				Rubbing		Light	Shade	K/S	λmax (nm)
	Alt.	St.	Acidic		Basic		Dry	Wet
			Alt.	St.	Alt.	St.
1	4	4	4	4	3-4	3-4	3-4	3-4	5	Orange-red	11.79	485
2	4-5	4-5	4-5	4-5	4-5	4-5	4-5	4-5	6-7	Yellow	8.05	478
3	4-5	4-5	4-5	4-5	4	4	4	4	6-7	Orange	5.43	463

Alt. = alteration in color; St. = staining on cotton.