methylene green

dye

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June 30, 2026

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Methylene green is a basic dye derived from methylene blue through a nitration process. It is known for its excellent lightfastness, particularly on acrylic fibers. Methylene blue itself is widely utilized as a biological stain.12

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dye
Xanthene and related dyes
… group ortho to sulfur is methylene green, which has excellent lightfastness on acrylics. Some thiazines—namely, those with X = NR but lacking the ―N(CH₃)₂ groups—are antihistamines. A number of oxazines and acridines are good leather dyes. Mauve is an azine but is of only historical interest; only one example of…
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… group ortho to sulfur is methylene green, which has excellent lightfastness on acrylics. Some thiazines—namely, those with X = NR but lacking the ―N(CH₃)₂ groups—are antihistamines. A number of oxazines and acridines are good leather dyes. Mauve is an azine but is of only historical interest; only one example of…
Read More