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N,N-Diisopropyltryptamine (DiPT) is a synthetic tryptamine distinguished among psychedelics by predominantly auditory rather than visual effects, characteristically shifting perceived pitch downward so that voices and music sound flattened or off-key. Like other serotonergic tryptamines it is thought to act through agonism at serotonin receptors including 5-HT2A, and in drug-discrimination studies it substitutes for prototypical hallucinogens such as LSD and DOM, indicating a shared psychedelic mechanism despite its atypical sensory profile. The basis of its frequency-selective, pitch-distorting action has been the subject of proposed cochlear and central auditory mechanisms, with speculation about relevance to conditions such as tinnitus. As with related psychoactive tryptamines, pharmacological and toxicological data remain limited, and its effects and safety are characterised mainly through case and analytical literature.
- Distinctive auditory effects
- Comparatively mild visuals
- Novel altered perception
- Selectively shifts perceived auditory pitch downward
- Nausea
- Raised heart rate
- Disorientation
- Distressing sound distortion
Mechanism
DiPT is presumed to act as an at the receptor common to psychedelic tryptamines, with likely activity at other serotonin receptors. Why it so strongly affects auditory perception, lowering perceived pitch, is not fully understood and appears to involve its effects on how the brain processes sound rather than the ear itself. Its precise human receptor affinities are not firmly established, so its potency is described conservatively.
receptor fingerprint
receptoragonist
receptoragonist
Safetyrisks and cautions, not medical advice
Effects can include nausea, raised heart rate, and disorientation, along with the distinctive and sometimes distressing auditory distortions. It should be avoided by anyone with a personal or family history of psychosis or bipolar disorder, and it must not be combined with MAOIs or other strongly serotonergic drugs because of serotonin toxicity risk. It is a research chemical of uncertain purity and potency. Not medical advice.
Subjective profileweighing the evidence above
A curiosity rather than something people repeat. The downward pitch shift is genuinely distinctive but tends to be unsettling rather than enjoyable, and it is a research chemical of uncertain purity with almost no safety data. Interesting to read about; hard to justify taking.
Resources
No suppliers are provided for compounds like this. This entry is here for reference.
Research
- 2013first citedDiscriminative stimulus effects of N,N-diisopropyltryptamine
- 2026most recentN,N-Diisopropyltryptamine and diptogenia: proposed mechanisms for a frequency-selective pitch-d…
- 1.Discriminative stimulus effects of N,N-diisopropyltryptamine
- 2.N,N-Diisopropyltryptamine and diptogenia: proposed mechanisms for a frequency-selective pitch-distorting psychedelic
- 3.Discriminative Stimulus Effects of Substituted Tryptamines in Rats.
- 4.Toxicology and Analysis of Psychoactive Tryptamines.
4 listed here; entry last updated August 2026
Reviews
My notesprivate to this device
FAQ
What makes DiPT unusual?
It mainly distorts hearing, typically lowering perceived pitch, rather than producing the strong visuals most psychedelics are known for.
How does it work?
It is presumed to act through serotonin receptors, chiefly 5-HT2A, though the reason for its auditory effects is not fully understood.
Is it safe with antidepressants?
Combining it with MAOIs or strongly serotonergic drugs is dangerous because of serotonin toxicity risk.
Adverse effects
- Nausea
- Raised heart rate
- Disorientation
- Distressing sound distortion