Marquis reagent — 5-APB-NBOME
White · Red · Purple
5-APB NBOME
Source text (English): wine red
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.
5-apb-nbome · 5-APB NBOME

White · Red · Purple
5-APB NBOME
Source text (English): wine red
White · Brown · Purple · Black
5-APB NBOME
Source text (English): violet brown > dark brown
Yellow · Brown
5-APB NBOME
Source text (English): brown > dark brown
White · Black
5-APB NBOME
Source text (English): black
White · Purple
5-APB NBOME
Source text (English): violet
No reaction
5-APB NBOME
Source text (English): no pink color change
No reaction
5-APB NBOME
Source text (English): no blue color change
Pink · Green
5-APB NBOME
Source text (English): pale green
Brown
5-APB NBOME
Source text (English): brown
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.