Marquis reagent — 45B-NBOMe
White · Red · Purple
45B-NBOMe
Source text (English): red > purple
There are more substances than colors, so to increase analysis precision use a kit with multiple reagents. Exact color of a reaction depends on adulteration, quantity, lighting, temperature, exposure to air, storage, as well as reagent quality and degradation. Positive or negative result does not indicate if a substance is safe. No substance is 100% safe.
45b-nbome

White · Red · Purple
45B-NBOMe
Source text (English): red > purple
White · Yellow · Brown
45B-NBOMe
Source text (English): yellow > brown
Yellow · Brown
45B-NBOMe
Source text (English): to dark brown
No reaction
45B-NBOMe
Source text (English): no blue color change
Pink · Green
45B-NBOMe
Source text (English): light green
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.