(Mods... IMO, this info is "intermediate level", so whether it belongs in "basic" or "advanced" I don't know).
aPVP (alpha-PVP) vs. MDPV comparison:
Fwiw, my qualifications: Frequent, broad and in-depth experience with MDPV practically since the day it came out in the early-mid 2000's, and a recent introduction to aPVP via a well-trusted and reliable source (thus, this comparison is accurate, but subject to updates).
**These are two very similar chemicals in structure, related to pyrovalerone and resembling non-identical twins in their nature, or a "female" vs. "male" mallard duck... however, they both walk, look and quack like a duck, not a duck/horse for example.
MDPV is structurally more complex than pyrovalerone (added "methylenedioxy" ring with unknown or no pharmacologic effects), while a-PVP is structurally simpler (subtracted "methyl" component, again to unknown or no pharmacologic effect).
*****
MDPV (appearance): Powdery white-to-tan.
A-PVP: Clumpy tan to dark tan.
MDPV (odor): Mild "pyrrolidine" type odor (like smelly sweat-socks).
A-PVP: Heavier (moderate) "pyrrolidine" type odor.
MDPV (solubility): Dissolves in H2O with difficulty, mild "pyrrolidine" type odor in solution.
A-PVP: Dissolves readily, heavier (moderate) "pyrrolidine" type odor in solution.
MDPV (smokeability): Vapes somewhat uncleanly (can blacken, catch fire), mild to moderate harshness/odor.
A-PVP: Vapes very easily/cleanly, moderate to heavy harshness/odor.
MDPV (onset and duration): Slow to medium onset of effects, lesser dosage needed, greater duration.
A-PVP: Rapid onset of effects (all tested ROA's), 1/4 to 1/3 greater dosage needed, lesser duration.
Summary (useful info): a-PVP "feels" cruder and harsher, yet simpler and more predictable than MDPV. It has a faster come-on, similar peak and faster/easier comedown, and is far less desirable to binge on for long periods. MDPV fans will feel about the same / lesser toward aPVP, but those who *dislike* MDPV may dislike it less. Vapers may experience throat pain, chest pain and lung heaviness/damage. It is likely (from my research, including contact with a professional source that suggests it) that a-PVP degrades/loses potency substantially faster than MDPV, whether in solution or not, and so care in storage is more of a factor.
aPVP (alpha-PVP) vs. MDPV comparison:
Fwiw, my qualifications: Frequent, broad and in-depth experience with MDPV practically since the day it came out in the early-mid 2000's, and a recent introduction to aPVP via a well-trusted and reliable source (thus, this comparison is accurate, but subject to updates).
**These are two very similar chemicals in structure, related to pyrovalerone and resembling non-identical twins in their nature, or a "female" vs. "male" mallard duck... however, they both walk, look and quack like a duck, not a duck/horse for example.
MDPV is structurally more complex than pyrovalerone (added "methylenedioxy" ring with unknown or no pharmacologic effects), while a-PVP is structurally simpler (subtracted "methyl" component, again to unknown or no pharmacologic effect).
*****
MDPV (appearance): Powdery white-to-tan.
A-PVP: Clumpy tan to dark tan.
MDPV (odor): Mild "pyrrolidine" type odor (like smelly sweat-socks).
A-PVP: Heavier (moderate) "pyrrolidine" type odor.
MDPV (solubility): Dissolves in H2O with difficulty, mild "pyrrolidine" type odor in solution.
A-PVP: Dissolves readily, heavier (moderate) "pyrrolidine" type odor in solution.
MDPV (smokeability): Vapes somewhat uncleanly (can blacken, catch fire), mild to moderate harshness/odor.
A-PVP: Vapes very easily/cleanly, moderate to heavy harshness/odor.
MDPV (onset and duration): Slow to medium onset of effects, lesser dosage needed, greater duration.
A-PVP: Rapid onset of effects (all tested ROA's), 1/4 to 1/3 greater dosage needed, lesser duration.
Summary (useful info): a-PVP "feels" cruder and harsher, yet simpler and more predictable than MDPV. It has a faster come-on, similar peak and faster/easier comedown, and is far less desirable to binge on for long periods. MDPV fans will feel about the same / lesser toward aPVP, but those who *dislike* MDPV may dislike it less. Vapers may experience throat pain, chest pain and lung heaviness/damage. It is likely (from my research, including contact with a professional source that suggests it) that a-PVP degrades/loses potency substantially faster than MDPV, whether in solution or not, and so care in storage is more of a factor.
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