Folin reagent test results — all documented colour reactions

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

5-APB — Folin reagent — White → Orange

White → Orange

5-APB

Source text (English): light orange

5-APB HCl — Folin reagent — White → Orange

White → Orange

5-APB HCl

Source text (English): light orange

5-APB succinate — Folin reagent — White → Orange

White → Orange

5-APB succinate

Source text (English): light orange

6-APB

6-APB (Benzofury) — Folin reagent — White → Orange

White → Orange

6-APB (Benzofury)

Source text (English): light orange

6-APB succinate (Benzofury) — Folin reagent — White → Orange

White → Orange

6-APB succinate (Benzofury)

Source text (English): light orange

A-PVP

A-PVP — Folin reagent — White → Orange

White → Orange

a-PVP

Source text (English): orange

Amphetamine

Amphetamine — Folin reagent — White → Orange

White → Orange

Amphetamine (Racemic) (Speed, Paste, Amfetamine)

Source text (English): (light) orange

Aspirin

Aspirin — Folin reagent — No reaction

No reaction

Aspirin

Source text (English): no color change

Bromoketamine

Bromoketamine — Folin reagent — No reaction

No reaction

Bromoketamine

Source text (English): no color change

BZP

BZP — Folin reagent — White → Orange → Red

White → Orange → Red

BZP

Source text (English): orange > red

Cocaine

Cocaine (Coke, Coca, Blow, Girl, White, Snow, Nose candy, Chari) — Folin reagent — No reaction

No reaction

Cocaine (Coke, Coca, Blow, Girl, White, Snow, Nose candy, Chari)

Source text (English): no color change

Cocaine (Crack) — Folin reagent — No reaction

No reaction

Cocaine (Crack)

Source text (English): no color change

Ethylone

Ethylone — Folin reagent — No reaction

No reaction

Ethylone (bk-MDEA, MDEC)

Source text (English): no color change

Ketamine

Ketamine (Ket, Kitty, Special K, Cat Tranquilizer, Ketaset, Ketalar, Ketanest, Vitamin K, kittens) — Folin reagent — No reaction

No reaction

Ketamine (Ket, Kitty, Special K, Cat Tranquilizer, Ketaset, Ketalar, Ketanest, Vitamin K, kittens)

Source text (English): no color change

Ketamine H2O sol. — Folin reagent — No reaction

No reaction

Ketamine H2O sol.

Source text (English): no color change

Mde

MDE — Folin reagent — No reaction

No reaction

MDE

Source text (English): no color change

MDEA (MDE, Eve) — Folin reagent — No reaction

No reaction

MDEA (MDE, Eve)

Source text (English): no color change

MDMA

MDMA — Folin reagent — White → Orange

White → Orange

MDMA (Molly, Mandy, Ecstasy, XTC, Rolls, Beans, Pingers)

Source text (English): orange

Mescaline

Mescaline freebase (Peyote, San Pedro, Cactus, Buttons) — Folin reagent — No reaction

No reaction

Mescaline freebase (Peyote, San Pedro, Cactus, Buttons)

Source text (English): no color change

Mescaline fumerate (Peyote, San Pedro, Cactus, Buttons) — Folin reagent — No reaction

No reaction

Mescaline fumerate (Peyote, San Pedro, Cactus, Buttons)

Source text (English): no color change

Methamphetamine

Methamphetamine — Folin reagent — White → Orange

White → Orange

Methamphetamine (Meth, Speed, Ice, Glass, Shard, Tina, Crank, Desoxyn, Crystal, Tweak, Shabu, Yaba)

Source text (English): orange or pink

Methoxetamine

Methoxetamine — Folin reagent — No reaction

No reaction

MXE (Methoxetamine)

Source text (English): no color change

Methylone

Methylone — Folin reagent — No reaction

No reaction

bk-MDMA (Methylone)

Source text (English): no color change

PMA

PMA — Folin reagent — White → Yellow

White → Yellow

PMA

Source text (English): light yellow

PMMA

PMMA — Folin reagent — White → Orange

White → Orange

PMMA

Source text (English): light orange

Sugar

Sugar — Folin reagent — No reaction

No reaction

Sugar

Source text (English): no color change

Tfmpp

Tfmpp — Folin reagent — White → Red

White → Red

TFMPP

Source text (English): slow red

Vitamine C

Vitamine C — Folin reagent — No reaction

No reaction

Vitamine C

Source text (English): no color change

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

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