4-MPD reagent analysis

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.

4-MPD

4-mpd · 4-MPD (4-Methylpentedrone) · 4-Methylpentedrone

Reagent colour reaction chart for 4-MPD
Documented reagent colour reactions for 4-MPD.

Marquis reagent — 4-MPD

No reaction

4-MPD (4-Methylpentedrone)

Source text (English): no color change (foaming)

Mecke reagent — 4-MPD

White · Black

4-MPD (4-Methylpentedrone)

Source text (English): light grey (foaming)

Mandelin reagent — 4-MPD

Yellow · Brown

4-MPD (4-Methylpentedrone)

Source text (English): light brown (foaming)

Liebermann reagent — 4-MPD

White · Yellow

4-MPD (4-Methylpentedrone)

Source text (English): yellow (foaming)

Froehde reagent — 4-MPD

No reaction

4-MPD (4-Methylpentedrone)

Source text (English): no color change (foaming)

Gallic reagent — 4-MPD

No reaction

4-MPD (4-Methylpentedrone)

Source text (English): no color change (foaming)

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

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