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[top]Introduction to Psilocybin

Psilocybin is the phosphate ester of psilocin. It is one of the psychoactive chemicals present in mushrooms from a multitude of genera, most notably Psilocybe (along with psilocin, baeocystin and norbaeocystin), collectively referred to as Magic Mushrooms. Psilocybin is metabolized in the body to psilocin.

[top]Using Psilocybin

[top]Ways of administration

Psilocybin is most commonly used orally (in the form of dried mushrooms), but for research purposes it's also been used intravenously.

[top]Effects of Psilocybin

[top]Combinations with Psilocybin

[top]Different Uses for Psilocybin

[top]Pharmacology of Psilocybin

LD50 (mg/kg) [2] :
Mice : 285 intravenously
Rat : 280 intravenously
Rabbit : 12.5 intravenously

[top]Chemistry of Psilocybin

Systematic (IUPAC) name:[3-(2-Dimethylaminoethyl)-1H-indol-4-yl] dihydrogen phosphate
Synonyms:3-[2-(Dimethylamino)ethyl]-1H-indol-4-ol 4-(dihydrogen phosphate), O-phosphoryl-4-hydroxy-N,N-dimethyltryptamine, Indocybin
Molecular Formula:C12H17N2O4P
Molar mass:284.25 g/mol [1]
CAS Registry Number:520-52-5
Melting Point:220-228C (crystals from boiling water)[2], 185-195C (crystals from boiling methanol)[2]
Boiling Point:no data
Flash Point:no data
Solubility:soluble in 20 parts boiling water, 120 parts boiling methanol; slightly soluble in ethanol; practically insoluble in chloroform, benzene[2]; slightly soluble in ether, acetone; insoluble in hexane[3]
Additionnal data:pH 5.2 in 50 % aqueous ethanol[2]
Notes:crystallized from water or methanol[2]
The LD50 of psilocybin is 280 milligrams per kilogram (mg/kg), and approximately 12.5 mg/kg when administered intravenously in rabbits.

Considering the average Psilocybe cubensis is 1% psilocybin by weight it would take 37lbs (17kg) of fresh mushrooms, or 1.3lbs (1.7kg) of dry mushrooms for a 130 lb (60kg) adult to reach the LD50.

*Stamets, Paul. Psilocybin Mushrooms of the World. 1996

[top]Reagent test results of Psilocybin

Reagent color produced
Marquis Dull Orange
Frohede's Grey blue -> green -> yellow

[top]The dangers of Psilocybin

These are the dangers common to all psychedelic drugs:

Accidental injury.
When on a psychedelic drug, it is easier to accidentally injure yourself. Also because of the disorientating and potentially delusion inspiring nature of the experience, you could be lead to inflict harm on others or yourself. People have fallen off rooftops, run into traffic, attempted to throw people off rooftops as 'sacrifices', drowned, and so on. The best way of protecting against this is to have a friend with you who is sober to look after you and handle any negative situation that might arise.

Bad trips. A bad trip is a negative psychedelic experience. It can range from a mildly negative feeling of anxiety/discomfort, to full-blown psychosis. Bad trips usually ruin a psychedelic experience for the tripper and everyone else. Most bad trips are manageable, just very uncomfortable and difficult. Some are extreme and unmanageable though. It's not uncommon for a bad trip to result in lingering psychological issues. Usually just a few days of negative emotions and anxiety. Sometimes, however, a week or so of serious anxiety, destabilized mental state and impaired functioning is possible. On very rare occasions, a month or two of severely diminished functioning, traumatized mental state, depression & crippling anxiety can occur. More information on bad trips can be found here. The best way of avoiding a bad trip is having the correct set and setting.

Permanent psychosis. Psychedelics are believed by researchers not to cause permanent psychosis, however they could trigger a latent mental illness in someone who was already predisposed to it, or make existing mental illnesses worse. If there is a history of mental illness in your family, you are more likely to be predisposed. Everyone is at some risk, however.

PTSD, anxiety disorder, depression & depersonalization. There are anecdotal reports of the trauma inflicted by some bad trips leading to depression and anxiety which while usually temporary, could potentially develop into lasting disorders. While no different to the potential of any traumatic event to cause lasting disorders, nonetheless this is a danger of psychedelic drug use.

[top]Producing/Growing Psilocybin

[top]Forms of Psilocybin

[top]Legal status of Psilocybin

Psilocybin is a controlled substance 21 CFR 1308.11

[top]United Nations



[top]United Kingdom

[top]Other Countries

[top]History of Psilocybin

[top]More Psilocybin Sections

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[1]Calculated from Atomic Weights of the Elements, 2007
[2]Merck Index, fifteenth edition (2013)
[3] psilocybin monograph

Created by Alfa, 18-12-2010 at 16:12
Last edited by Adas, 21-03-2016 at 20:32
Last comment by Basoodler on 19-09-2012 at 19:30
3 Comments, 26,959 Views

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