2C-T-7

2C-T-7 is a synthetic psychedelic of the 2C-x phenethylamine family, first synthesized by Alexander Shulgin and documented in his book PiHKAL. Sold around 1999-2002 as a 'legal' research chemical under the name 'Blue Mystic' (and others), it produced a psychedelic, mescaline-like experience but gained a reputation as unusually unpredictable and physically demanding. A cluster of deaths and hospitalizations led to its emergency scheduling, and it is now rarely encountered.

Like other classic psychedelics, 2C-T-7 acts mainly as an agonist at serotonin 5-HT2A receptors, the target responsible for psychedelic effects; it is a member of the 2C-x family derived from systematic modification of the mescaline molecule. It also carries a pronounced 'body load' — physical discomfort and stimulation — that its users consistently report, and which contributes to its harsher, less predictable profile compared with some related psychedelics.

Effects include visual distortions, altered thought and mood, and entheogenic or empathogenic feelings, lasting many hours. Alongside these, users frequently report a heavy body load: nausea, muscle tension, and physical unease. Accounts describe it as strongly dose-sensitive and unpredictable, with experiences ranging from meaningful to terrifying, and a meaningful rate of bad trips and hospitalizations, particularly when snorted.

2C-T-7 is one of the more dangerous psychedelics by track record. At least three deaths have been documented: one healthy young man died after insufflating (snorting) an excessive amount, and two further deaths were reported by the DEA as resulting from combining 2C-T-7 with MDMA. The clear pattern in the fatalities is snorting higher amounts and mixing with stimulants — both sharply raise the risk. It is strongly dose-sensitive, so the gap between a manageable and an overwhelming or toxic amount is narrow, and an 'excited delirium' presentation appears consistently across 2C-drug deaths. Acutely it can cause a stimulant-like strain — dangerously high heart rate, blood pressure, and body temperature — alongside terrifying psychological states. As a serotonergic drug, combining it with SSRIs, MAOIs, or other serotonergic substances raises the risk of serotonin syndrome. Because it is an obscure research chemical, anything sold as '2C-T-7' cannot be assumed to be that compound or that dose. Anyone with a very high temperature, seizures, chest pain, collapse, or a severe psychiatric crisis needs emergency care — call 911, and Poison Control at 1-800-222-1222 can advise. This page has not yet been medically reviewed.

visual hallucination, mood shifts, emotionality, volatility, increased appreciation of music

oral 1–2.5 hr / intranasal <15 min

oral 5–7 hr / intranasal up to 4 hr

convulsions (published case report)

none

NFLIS 71 reports from 16 states since 2001; zero since 2019