Marquis reagent — 2,5-DMA
White · Yellow · Green
2,5-DMA (DMA)
Source text (English): yellow > green
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.
White · Yellow · Green
2,5-DMA (DMA)
Source text (English): yellow > green
White · Brown · Green
25B-NBOMe (25b)
Source text (English): brown > green
White · Yellow · Green
25C-NBF
Source text (English): yellow > greenish
White · Green · Black
25I-NBF
Source text (English): dark green>black
White · Brown · Green
25I-NBMD
Source text (English): green
White · Yellow · Green
2C-B (Nexus, Bees)
Source text (English): yellow > green


White · Yellow · Green · Brown
2C-B-fly
Source text (English): dark green or brown>black
White · Yellow · Green
2C-C
Source text (English): yellow > green (slow)
White · Yellow · Green
2C-H (DMPEA)
Source text (English): deep yellow green
White · Green · Black
2C-I
Source text (English): dark green > black

White · Green
3-CAF
Source text (English): green
White · Yellow · Green
4-chloro-2,5-DMA
Source text (English): yellow > green
White · Green · Blue
4-MPM (4-methylphenmetrazine)
Source text (English): green / blue
White · Yellow · Green
5-fluoro-SDB-005
Source text (English): yellow > green
White · Orange · Brown · Green · Blue
5-MeO-DiBF
Source text (English): orange > olive > dark blue
White · Orange · Green
5-MeO-DiPT (Foxy Methoxy, foxy-methoxy)
Source text (English): light orange - green

White · Green
5-MMPA (Mephedrene)
Source text (English): dark green
White · Purple · Brown · Black · Green
Alpha-acetyl-methadol
Source text (English): purple-brown - grey-green
White · Purple · Brown · Black · Green
Alphamethadol
Source text (English): purple-brown - grey-green
White · Yellow · Green
BOH-2C-B
Source text (English): yellow>green
White · Green · Brown
Bufotenin (5-HO-DMT)
Source text (English): green > brown
White · Brown · Green
Cyclazocine
Source text (English): brown > green
White · Yellow · Green · Brown
D. Bosseranum (EtOH extract)
Source text (English): yellow > olive / brown
White · Black · Purple · Green
Dextropropoxyphene (Propoxyphene, Darvon, darvocet, coproxamol, capadex, di-gesic)
Source text (English): black > violet > green
White · Yellow · Green
DMMA
Source text (English): yellow / green
White · Green
DOB (Brolamfetamine, Bromo-DMA)
Source text (English): deep blue green
White · Yellow · Green
DOC
Source text (English): yellow > green
White · Green
DOI
Source text (English): (light) green
White · Brown · Green
FUBIMINA
Source text (English): brown > green
White · Orange · Brown · Green
GTS-21
Source text (English): orange > dark brown / green
White · Yellow · Green
Naphyrone
Source text (English): (slow) yellow > green
White · Green · Blue
Piperonylmethylketone (PMK)
Source text (English): greenish blue
White · Green · Purple · Black
Propxyphene
Source text (English): black-violet - dull green
White · Green · Brown
Psilocin (Psilocine, Psilocyn, Psilotsin, 4-HO-DMT, 4-OH-DMT)
Source text (English): green > brown
White · Green · Brown · Black
RCS-4
Source text (English): olive > black
White · Green
SDB-005
Source text (English): green
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.