bk-2C-B
Aliases: bk-2cb, bk-2-cb, b-k-2cb, b-k2cb, b-k2-cb, b-k2-c-b, b-k-2-c-b, bk2cb, ฮฒk-2C-B
Summary
ฮฒk-2C-B (also known as Bk-2C-B, or beta-keto 2C-B) is a novel psychedelic substance of the phenethylamine class. It is a structural analog of 2C-B.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 60-80mg | 80-100mg | 100-150mg | 150mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Total |
|---|---|---|
| Oral | 18-72 min | 18-72 min |
Effect Profile
31 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Validated against 31 Erowid trip reports
- Weighted by importance: core (×3), major (×2), minor (×1)
Psychedelic
6.5
Strong
6/10
Strong visuals, auditory effects, and body load with mild headspace
Visual Intensity
×3
10
color enhancement
tracers
drifting
brightened colour
visual distortions
Headspace Depth
×3
4
confusion
Auditory Effects
×1
10
auditory distortion
Body Load / Somatic Effects
×1
10
nausea
muscle tension
Based on reports from:
Tolerance
Build-up
develops rapidly after a single use (serotonergic psychedelic)
Reset
7โ14 days for baseline
Tolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Effects
Aggregated from 31 Erowid experience reports
Positive Effects 10
Euphoria
61.3%
70%
Music Enhancement
54.8%
70%
Color Enhancement
48.4%
70%
Empathy
48.4%
70%
Body High
48.4%
70%
Stimulation
48.4%
70%
Focus Enhancement
35.5%
70%
Introspection
19.4%
70%
Tactile Enhancement
19.4%
70%
Creativity Enhancement
9.7%
70%
Adverse Effects 8
Anxiety
51.6%
70%
Pupil Dilation
41.9%
70%
Confusion
38.7%
70%
Nausea
29.0%
70%
Sweating
19.4%
70%
Jaw Clenching
12.9%
70%
Headache
9.7%
70%
Increased Heart Rate
9.7%
70%
Combinations
bk-2C-B's nerd page
Pharmacology, chemical data, effect profiles, and more
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