Marquis reagent — 2-FA
White · Yellow · Brown
2-FA (2-fluoroamphetamine, 2-fmp)
Source text (English): slow light brown
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 · Brown
2-FA (2-fluoroamphetamine, 2-fmp)
Source text (English): slow light brown
White · Yellow · Orange
2-FEA (2-fluoroethylamphetamine)
Source text (English): yellow/orange
White · Yellow · Orange
2-FMA (2-Fluoro-Methamphetamine)
Source text (English): orange
White · Yellow
2-TFMXP
Source text (English): pale yellow > colorless
White · Yellow · Green
2,5-DMA (DMA)
Source text (English): yellow > green
White · Yellow
25B-NBOH (nboh-2cb, 2cb-nboh, 2c-b-nboh)
Source text (English): yellow-green
White · Yellow
25C-NB3OMe
Source text (English): yellow
White · Yellow · Green
25C-NBF
Source text (English): yellow > greenish
White · Yellow · Orange
25C-NBOH
Source text (English): yellow > orangish
White · Yellow · Orange
25C-NBOMe (Cimbi-82, NBOMe-2C-C, 2C-C-NBOMe, 25c, 2c-nbome)
Source text (English): yellow > orange
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
2C-D (2C-M, LE-25, 2cm)
Source text (English): slight yellow
White · Yellow · Orange
2C-E (Eternity)
Source text (English): dark yellow > orangish
White · Yellow · Green
2C-H (DMPEA)
Source text (English): deep yellow green
White · Yellow
2C-P
Source text (English): yellow
White · Yellow
2C-T-7 (Beautiful, Blue Mystic, 7th Heaven)
Source text (English): fizzes pale yellow
White · Yellow · Brown
2C-TFM
Source text (English): yellow > brown
White · Yellow · Orange
3-FEA
Source text (English): yellow/orange
White · Yellow
3-Hydroxyphenazepam
Source text (English): yellow
White · Yellow
30C-NBOMe
Source text (English): yellow
White · Yellow
3,4-Dimethylamphetamine
Source text (English): yellow / brown
White · Yellow
3,4-DMMC
Source text (English): yellowish
White · Yellow
3,4-dimethoxy-α-PHP
Source text (English): yellow
White · Yellow
3,4-methylenedioxy-N-propylcathinone (Propylone)
Source text (English): yellow
White · Yellow
3,5-Dimethylamphetamine
Source text (English): yellow
White · Yellow
3570CT
Source text (English): yellow
White · Yellow
3633CT
Source text (English): yellow
White · Yellow
3638CT
Source text (English): yellow
White · Yellow
3639CT
Source text (English): yellow
White · Yellow
4-AcO-DALT
Source text (English): light yellow > yellow
White · Yellow · Brown
4-AcO-DET (4-Acetoxy-DET, Ethacetin, ethylacybin)
Source text (English): yellow > brown
White · Yellow
4-AcO-DIPT (4-Acetoxy-DiPT, Ipracetin, Aces, iprocetyl)
Source text (English): light yellow > yellow
White · Yellow · Brown
4-AcO-DMT (4-Acetoxy-DMT, Psilacetin, O-Acetylpsilocin, Synthetic mushrooms)
Source text (English): yellow > green > brown
White · Yellow
4-AcO-MET (4-Acetoxy-MET, Metacetin, O-Acetylmetocin)
Source text (English): light yellow > yellow
White · Orange · Yellow
4-AcO-MiPT (Mipracetin, O-Acetylmiprocin)
Source text (English): orange green brown
White · Yellow · Green
4-chloro-2,5-DMA
Source text (English): yellow > green
White · Yellow · Brown
4-HO-DALT
Source text (English): yellow > brown
White · Yellow
4-HO-DET (Ethocin, CZ-74, 4-hydroxy-det)
Source text (English): yellow > olive
White · Yellow
4-HO-DIPT (Iprocin)
Source text (English): yellow
White · Yellow · Brown · Black
4-HO-MET (Metocin, Methylcybin, Colour)
Source text (English): yellow > brown

White · Yellow · Blue · Black
4-HO-MIPT (Miprocin, ho-mipt, 4-ho)
Source text (English): orange - green (brown)
White · Yellow · Brown
4-MeO-PV9
Source text (English): brownish
White · Yellow
5-BPDi
Source text (English): light yellow
White · Yellow · Brown
5-Br-DMT
Source text (English): yellow>brown
White · Yellow · Brown
5-Cl-DMT
Source text (English): yellow>brown
White · Yellow · Green
5-fluoro-SDB-005
Source text (English): yellow > green
White · Yellow
5-Fluoropentyl-3-pyridinoylindole
Source text (English): yellow
White · Yellow · Black
5-MeO-AMT
Source text (English): dark brown
White · Yellow · Brown
5-MeO-DALT (Foxtrot)
Source text (English): olive > brown
White · Yellow
5-MeO-DMT freebase (The God Molecule, Toad, Jaguar, toads, 5-medmt)
Source text (English): yellow
White · Yellow · Orange · Brown
5-MeO-DMT HCl (The God Molecule, Toad, Jaguar, toads, 5-medmt)
Source text (English): yellow > dark brown
White · Yellow · Orange
5-MeO-MIPT HCl (Moxy)
Source text (English): orange > brown
White · Yellow
5-MeO Tryptamine NBOMe HCl
Source text (English): yellow
White · Yellow · Orange
5-Me-MDA
Source text (English): yellow / orange
White · Yellow
5-PPDi
Source text (English): light yellow
White · Yellow
a-PBP (alpha-pbp)
Source text (English): yellow
White · Yellow · Purple
AB-001
Source text (English): yellow > violet
White · Yellow
AB-CHMINACA
Source text (English): light yellow
White · Black · Blue · Yellow · Brown
Acetorphine
Source text (English): grey-blue > yellow-brown
White · Yellow · Orange · Brown
Adrafinil (Olmifon)
Source text (English): yellow/orange > brown
White · Yellow · Orange
AM-2201 4-methoxynaphthyl analogue
Source text (English): yellow > orange
White · Yellow · Orange · Brown
Amphetamine (Racemic) (Speed, Paste, Amfetamine)
Source text (English): orange > brownish


White · Yellow · Brown
aMT (αMT, Indopan)
Source text (English): yellow > brown
White · Yellow
a-Asarone (Asarone)
Source text (English): yellow
White · Yellow
b-Asarone (Asarone)
Source text (English): yellow
White · Yellow
Bentazepam
Source text (English): yellow
White · Yellow · Green
BOH-2C-B
Source text (English): yellow>green
White · Yellow
bk-Ethyl-K
Source text (English): yellow
White · Yellow
bk-MDA
Source text (English): yellow
White · Yellow
Benzyline (BMDP)
Source text (English): yellow
White · Yellow
Butylone (bk-MBDB, B1, bk-mbdb, bk-methyl-j)
Source text (English): bright yellow
White · Yellow · Orange · Red
BZO-CHMOXIZID
Source text (English): yellow > red / orange
White · Yellow · Orange
BZO-HEXOXIZID
Source text (English): faint orange
White · Yellow · Black
C-MDA
Source text (English): yellow > black
White · Yellow
CRL-40,941
Source text (English): yellow
White · Yellow
CRL-40,490
Source text (English): yellow
White · Yellow
Cyputylone
Source text (English): yellow
White · Yellow · Green · Brown
D. Bosseranum (EtOH extract)
Source text (English): yellow > olive / brown
White · Yellow · Brown
DET
Source text (English): yellow > brown
White · Yellow
Dibutylone
Source text (English): yellow
White · Yellow
Dimethocaine
Source text (English): yellow
White · Yellow
Dimethylone
Source text (English): vivid yellow
White · Yellow
Dimethylpentylone
Source text (English): yellow
White · Yellow
Dipentylone
Source text (English): yellow
White · Yellow · Green
DMMA
Source text (English): yellow / green
White · Yellow · Orange · Brown
DMT (N,N-DMT, Dmitry, The Glory, The Spirit Molecule, dimethyltryptamine)
Source text (English): yellow > orange > brown


White · Yellow
DOAM
Source text (English): faint yellow
White · Yellow · Green
DOC
Source text (English): yellow > green
White · Pink · Red · Yellow
DOiPR
Source text (English): pink > red > yellow?
White · Yellow · Orange
Ephylone (bk-EBDP, N-Ethyl-Pentylone)
Source text (English): yellow / orange
White · Yellow
N-Ethylpentylone
Source text (English): yellow
White · Yellow
bk-MDEA (Ethylone)
Source text (English): yellow
White · Yellow
Ethylone (bk-MDEA, MDEC)
Source text (English): bright yellow
White · Black · Blue · Yellow · Brown
Etorphine
Source text (English): blueish-grey > yellowish-brown
White · Yellow
Eutylone (bk-EBDB)
Source text (English): yellow / orange
White · Yellow · Orange · Red
Harmaline
Source text (English): orange > brown
White · Yellow · Orange · Red
Harmine
Source text (English): yellow > red
White · Yellow · Brown
Homoveratrylamine
Source text (English): slow brown
White · Yellow
HXE
Source text (English): faint yellow / no reaction
White · Yellow · Red · Purple
Hydromorphine
Source text (English): yellow > red > violet
White · Yellow · Red · Purple · Brown
Hydromorphone (Dilaudid)
Source text (English): yellow > red / magenta
White · Yellow · Brown
JWH-018
Source text (English): olive brown
White · Yellow
JWH-073 (Spice)
Source text (English): yellow brown
White · Yellow · Brown
JWH-122
Source text (English): olive
White · Yellow · Brown
JWH-200
Source text (English): yellow > slow brown
White · Yellow
Mace
Source text (English): moderate yellow
White · Yellow · Orange · Brown
MAM-2201
Source text (English): Yellow -> Orange -> Brown
White · Yellow
MDPBP
Source text (English): yellow
White · Yellow
MDPHP
Source text (English): yellow
White · Yellow
MDPPP
Source text (English): yellow
White · Yellow
MDPV (Bath Salts, NRG-1, bath_salts)
Source text (English): fizzes yellow
White · Yellow · Orange · Red · Brown
Methamphetamine (Meth, Speed, Ice, Glass, Shard, Tina, Crank, Desoxyn, Crystal, Tweak, Shabu, Yaba)
Source text (English): red-orange > brown

White · Yellow
MXE (Methoxetamine)
Source text (English): yellowish
White · Yellow · Orange · Red · Pink
2-MeO-Ketamine (Methoxyketamine)
Source text (English): reddish (weak) /light pink
White · Yellow
bk-MDMA (Methylone)
Source text (English): bright yellow
White · Yellow
Methylphenidate (Concerta, Methylin, Ritalin, Equasym XL, mph, biphentin)
Source text (English): light orange
White · Yellow
Metizolam (Desmethyletizolam, metiz)
Source text (English): yellowish
White · Yellow
MiPT (n-methyl-n-isopropyltryptamine)
Source text (English): greenish brown
White · Yellow · Orange · Brown
Modafinil (Alertec, Modavigil, Modiodal, Provigil, Modalert)
Source text (English): yellow/orange > brown
White · Yellow · Brown
N-desethyl Etonitazene
Source text (English): faint yellow/brown
White · Yellow
N-Desethylisotonitazene
Source text (English): faint yellow
White · Yellow · Brown
N-Me-2C-H
Source text (English): yellow > olive
White · Yellow · Orange
N-Me-4'4'-difluoro-modafinil
Source text (English): yellow > orange
White · Yellow
N-Me-bk-MMDA-2
Source text (English): yellow
White · Yellow · Green
Naphyrone
Source text (English): (slow) yellow > green
White · Yellow · Orange
N-Ethylbuphedrone
Source text (English): faint yellow/orange
White · Yellow
NMT
Source text (English): faint yellow
White · Yellow
Oxandrolone
Source text (English): yellow
White · Yellow
Pentylone
Source text (English): dark yellow
White · Yellow
Pivoxazepam
Source text (English): light yellow
White · Yellow
PX2
Source text (English): yellowish
White · Yellow
Quinine
Source text (English): light yellow
White · Yellow · Orange · Brown
Sceletium (EtOH extract)
Source text (English): yellow/orange > light brown
White · Yellow
Scopolamine
Source text (English): yellow
White · Yellow
Sucrose
Source text (English): broom yellow
White · Yellow
tBuONE
Source text (English): yellow
White · Yellow
TH-PVP
Source text (English): yellow
White · Yellow · Purple
Thebacon
Source text (English): yellow > purple
White · Brown · Yellow
TMA-2
Source text (English): yellowish-brown
White · Yellow · Orange
TMA-6
Source text (English): yellow > orange
White · Yellow · Orange · Red · Brown
Tramadol (Tramal, Tadol, Tramacur, Tramundin)
Source text (English): yellow > red / brown
White · Yellow · Orange
Tryptamine
Source text (English): yellow / orange
White · Yellow
Vitamine C
Source text (English): very light yellow
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.