HBr is short for Hydrogen Bromide. It's a gas that forms Hydrobromide acid when it comes into contact with the skin or lungs. Hydrobromic acid is an aqueous solution of hydrogen bromide, also called HBr(aq). Salts of Hydrogen Bromide are called Hydrobromide. An example is Arecoline Hydrobromide, or Arecoline HBr.
I bubbled Hydrogen Bromide into freebase arecoline that was dissolved in ethyl chloride. Now I got Arecoline Hydrobromide (Arecoline HBr, ArcoFuel).
by CognitiveFuel January 31, 2023
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Useage is like HBR 9 which means Hot Babe Rated 9 out of 10.
Useage is like HBR 9 which means Hot Babe Rated 9 out of 10.
by HandsGotFreedom May 11, 2021
Get the HBR mug.johnny took a crucial HBR from the illadelph gasping for dear life as he exhaled like a majestic dragon.
by phantasms14 November 7, 2011
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Get the HBR mug.Harold: you wanna grab lunch tomorrow!
Aladin: Im out of town for HBR.
Harold: good R to be out of town
Aladin: Im out of town for HBR.
Harold: good R to be out of town
by Obscure_Accronyms April 19, 2022
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Get the HBR mug.Box 1: “Plateaus” of dextromethorphan toxicity*,2,3.
Plateau 0
Total dose 20mg to 45mg.
You can barely feel it at all, but it relieves cough.
Plateau 0.5
Total dose 45mg to 100mg
Antidepressant effects (especially when stacked with 100mg of Wellbutrin SR)
Plateau 1 (1.5–2.5 mg/kg)
Total intake 100–200 mg (4–6 capsules or 35–60 mL of syrup)
Restlessness, euphoria
Plateau 2 (2.5–7.5 mg/kg)
Total dose 200–500 mg (7–18 capsules or 60–185 mL of syrup)
Exaggerated auditory and visual sensations, closed-eye hallucinations, imbalance
Plateau 3 (7.5–15 mg/kg)
Total dose 500–1000 mg (18–33 capsules or 185–375 mL of syrup)
Visual and auditory disturbances, altered consciousness, delayed reaction times, mania, panic, partial dissociation
Plateau 4 (> 15 mg/kg)
Total dose > 1000 mg (> 33 capsules or > 375 mL of syrup)
Hallucinations, delusions, ataxia, complete dissociation
*Assuming a 75-kg person, 30-mg capsules and 3 mg per millilitre of syrup.
Plateau 0
Total dose 20mg to 45mg.
You can barely feel it at all, but it relieves cough.
Plateau 0.5
Total dose 45mg to 100mg
Antidepressant effects (especially when stacked with 100mg of Wellbutrin SR)
Plateau 1 (1.5–2.5 mg/kg)
Total intake 100–200 mg (4–6 capsules or 35–60 mL of syrup)
Restlessness, euphoria
Plateau 2 (2.5–7.5 mg/kg)
Total dose 200–500 mg (7–18 capsules or 60–185 mL of syrup)
Exaggerated auditory and visual sensations, closed-eye hallucinations, imbalance
Plateau 3 (7.5–15 mg/kg)
Total dose 500–1000 mg (18–33 capsules or 185–375 mL of syrup)
Visual and auditory disturbances, altered consciousness, delayed reaction times, mania, panic, partial dissociation
Plateau 4 (> 15 mg/kg)
Total dose > 1000 mg (> 33 capsules or > 375 mL of syrup)
Hallucinations, delusions, ataxia, complete dissociation
*Assuming a 75-kg person, 30-mg capsules and 3 mg per millilitre of syrup.
by AlienTakeover November 22, 2025
Get the Dextromethorphan HBr plateaus mug.