Marquis reagent — FXE
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
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.
fxe · FXE (Fluorexetamine, 3F-O-PCE) · Fluorexetamine · 3F-O-PCE

No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
White · Yellow
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): faint yellow / no reaction
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no pink color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no blue color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no color change
Pink · Blue
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): blue
No reaction
FXE (Fluorexetamine, 3F-O-PCE)
Source text (English): no reaction / pink spots

Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.