2-PTA
Aliases: Cumylamine, 4-methyl-2-pa, 2-(p-tolyl)acetamide
Summary
Human data remain extremely limited (โค50 self-reports). Acute adverse effects recorded include marked tachycardia (>130 bpm), vasoconstriction, jaw tension, blurred vision and short-lived chest discomfort at โฅ60 mg. Because the amide replaces the ฮฑ-methyl, potency is roughly one-quarter of amphetamine but pressor effects are still pronounced.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 10-20mg | 20-40mg | 40-80mg | 80+mg+ |
| Sublingual | 10-20mg | 20-40mg | 40-80mg | 80+mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Peak | Offset | Total |
|---|---|---|---|---|
| Oral | 10-25 min | 45-90 min | 30-60 min | 1.4-2.9 hrs |
| Insufflated | 2-8 min | 45-90 min | 30-60 min | 1.3-2.6 hrs |
| Sublingual | 10-25 minutes | 45-90 min | 30-60 min | 11.2-2.5 hrs |
Effect Profile
Scores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
4.9
Moderate+
5/10
Strong focus and anxiety/jitters with mild euphoria, low stimulation
Stimulation / Energy
×3
3
stimulation
Euphoria / Mood Lift
×2
5
euphoria
motivation enhancement
Focus / Productivity
×2
10
focus enhancement
enhanced focus
cognitive enhancement
motivation enhancement
Anxiety / Jitters
×1
10
anxiety
tachycardia
teeth grinding
increased heart rate
vasoconstriction
Based on reports from:
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3โ7 days for acute tolerance; longer for full reset
Tolerance Decay
Full tolerance
1d
Half tolerance
10d
Baseline
~18d
Effects
Positive
- Stimulation
Negative
- Tachycardia
- Increased blood pressure
- Vasoconstriction
- Teeth grinding
- Temperature regulation suppression
- Insomnia
- Increased heart rate
- Increased perspiration
- Difficulty urinating
Positive
- Euphoria
- Focus enhancement
- Increased sociability
- Motivation enhancement
- Enhanced focus
- Cognitive enhancement
Negative
- Anxiety
- Cognitive fatigue
- Irritability
- Time distortion
Positive
- Increased libido
- Color enhancement
- Increased music appreciation
- Tactile enhancement
Negative
- Appetite suppression
- Light sensitivity
- Dehydration
- Disinhibition
- Dulled perception
- Drifting
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