Froehde reagent — 1,3-Indanedione
White · Brown
1,3-Indanedione
Source text (English): 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 · Brown
1,3-Indanedione
Source text (English): brown
White · Brown · Black
2-bromo-4,5-MDMA
Source text (English): brown > black
White · Green · Brown
2-MeOA
Source text (English): green > brown
White · Green · Brown
2-MeOMA
Source text (English): green > brown
White · Yellow · Brown
25D-NBOMe (2c-d-nbome, 25d)
Source text (English): yellow > brown
White · Yellow · Brown
25G-NBOMe
Source text (English): yellow > brown
White · Yellow · Green · Brown
25H-NBOMe
Source text (English): yellow > green
White · Brown · Black
25I-NBMD
Source text (English): black
White · Brown
25I-NBOH (Cimbi-27, nboh-2ci)
Source text (English): brown
White · Brown · Green
25I-NBOMe-metabolite
Source text (English): brown > dark brown
White · Brown · Black
25N-NBOMe (2-c-n-nbome, 25n)
Source text (English): brown > black
White · Orange · Brown · Black
2C-I
Source text (English): Orange -> Black
White · Green · Yellow · Brown
2C-TFM
Source text (English): green - yellow - brown
White · Yellow · Brown
3-CAF
Source text (English): brown (light)
White · Brown
3-MeO-PCMMo
Source text (English): brown
White · Yellow · Orange · Brown
3,4-DMMC
Source text (English): light orange/brown
White · Brown · Black
4-AcO-DMT (4-Acetoxy-DMT, Psilacetin, O-Acetylpsilocin, Synthetic mushrooms)
Source text (English): green > black
White · Brown
4-Fluoroethamphetamine (4-FEA)
Source text (English): light brown
White · Brown
4-HO-DIPT (Iprocin)
Source text (English): brown
White · Brown
4-HO-MEC (4-Hydroxymethcathinone)
Source text (English): brownish
White · Brown
4-MeO-PCP (Methoxydine)
Source text (English): brownish
White · Green · Brown
4-MeO-PVP
Source text (English): olive
White · Brown
4Cl-PVP
Source text (English): brownish
White · Red · Brown
5-IT
Source text (English): red brown
White · Yellow · Brown
5-MeO-AMT
Source text (English): yellow >brown
White · Brown
5-MeO-DiBF
Source text (English): brown
White · Brown
5ME
Source text (English): brown
White · Brown
5-MMPA (Mephedrene)
Source text (English): light brown
White · Brown
5F-PB-22
Source text (English): light brown
White · Yellow · Brown
6-IT
Source text (English): yellowish brown
White · Brown
A-834,735
Source text (English): brown
White · Brown
a-PVT
Source text (English): faint brown
White · Brown
AB-001
Source text (English): faint brown
White · Brown
Acryloyl-F
Source text (English): light brown
White · Brown
ADBICA
Source text (English): brownish
White · Orange · Red · Brown
Adrafinil (Olmifon)
Source text (English): orange/red > brown
White · Brown
AKB-48
Source text (English): brown
White · Brown · Black
Allylescaline (AL)
Source text (English): green - blue > black
White · Yellow · Brown
AM-2201 4-methoxynaphthyl analogue
Source text (English): yellow > brown
White · Brown
AMB-FUBICA
Source text (English): brownish
White · Brown
BB-22
Source text (English): light brown
White · Brown
BOH-2C-B
Source text (English): brown
White · Yellow · Green · Brown
bk-Ethyl-K
Source text (English): yellow > green > brown
White · Brown
bk-IBP (NEB indene analog)
Source text (English): light brown
White · Brown
bk-IVP
Source text (English): brownish
White · Yellow · Green · Brown
Butylone (bk-MBDB, B1, bk-mbdb, bk-methyl-j)
Source text (English): yellow > green > olive
White · Brown
CBD (isolate)
Source text (English): brown
White · Brown
Contac
Source text (English): Moderate olive brown
White · Brown
CUMYL-4CN-BINACA
Source text (English): light brown
White · Brown
CUMYL-5F-PICA
Source text (English): brown
White · Brown
CUMYL-BICA
Source text (English): brown
White · Brown
CUMYL-PICA
Source text (English): brown
White · Brown
CUMYL-THPINACA
Source text (English): brownish
White · Brown
DCK (2-Oxo-PCM, Deschloroketamine, DXE)
Source text (English): brown
White · Brown · Yellow
Dimethylone
Source text (English): yellow - lime - green
White · Yellow · Green · Brown
Dipentylone
Source text (English): dark green / brown
White · Red · Brown
DPT (Dipropyltryptamine, The Light)
Source text (English): wine -> brown
White · Brown
Ephedrine (Ephedra)
Source text (English): brown or clear
White · Brown
FUB-PB22
Source text (English): light brown
White · Brown
GTS-21
Source text (English): dark brown
White · Brown · Purple · Blue
Isomethadone
Source text (English): brown-purple - violet-blue
White · Brown
JWH-122
Source text (English): brown
White · Brown
LTI-701
Source text (English): olive
White · Brown · Black
MAM-2201
Source text (English): Orange
White · Brown
MDAI
Source text (English): dark brown
White · Yellow · Green · Brown
MDMB-CHMICA
Source text (English): light green/brown
White · Yellow · Brown · Green
Mescaline freebase (Peyote, San Pedro, Cactus, Buttons)
Source text (English): yellow > brown/green
White · Yellow · Brown · Green
Mescaline fumerate (Peyote, San Pedro, Cactus, Buttons)
Source text (English): yellow > brown/green
White · Yellow · Brown · Green
Mescaline HCl (Peyote, San Pedro, Cactus, Buttons)
Source text (English): yellow > brown/green

White · Red · Brown
Metamnetamine
Source text (English): red > brown
White · Brown
Methallylescaline (MAL)
Source text (English): brown / dark brown
White · Brown
Methiopropamine
Source text (English): light brown
White · Brown
MPA (Methiopropamine)
Source text (English): light brown
White · Black · Brown
MXP (2-MeO-Diphenidine)
Source text (English): light brown
White · Brown
Methyl-desorphine
Source text (English): brown
White · Brown
MN24
Source text (English): brown
White · Purple · Brown
Morphine-N-oxide
Source text (English): dull purple - brown
White · Yellow · Brown
N-Me-bk-MMDA-2
Source text (English): yellow - brown
White · Brown
N-Methyl-2AI
Source text (English): dark brown
White · Brown
NRG-4
Source text (English): brown
White · Brown
Opium
Source text (English): brownish black
White · Brown
PB-22
Source text (English): brown
White · Brown
Phentermine
Source text (English): brown
White · Yellow · Brown · Black
PMK ethyl glycidate
Source text (English): black / dark yellow-brown
White · Brown
PRE-084
Source text (English): brown
White · Brown · Black
Proscaline
Source text (English): yellow > green
White · Brown
SDB-006-N-phenyl-analog
Source text (English): light brown
White · Yellow · Brown
Testosterone propionate
Source text (English): yellow>brown
White · Brown
THJ-018
Source text (English): dark brown
White · Brown · Black
THJ-2201
Source text (English): brown > black
White · Brown
Trenbolone Acetate
Source text (English): brown / dark brown
White · Yellow · Brown
Xylopropamine
Source text (English): yellow - brown / yellow
Colour swatches are illustrative, not measured colour values or reaction timing. Original reference observations are preserved below each result.