Acetic Acid + Ammonium Hydroxide Vapours

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Discussion Overview

The discussion centers on the toxicity of the vapours produced when mixing Acetic Acid and Ammonium Hydroxide, specifically in the context of creating smoke effects for special effects in the movie industry. Participants are concerned about the health implications of inhaling the resulting smoke and the associated safety ratings.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes that the smoke created from mixing Acetic Acid and Ammonium Hydroxide consists of tiny ammonium acetate particles dispersed in air, with water as another product.
  • Another participant questions the inhalation toxicity of ammonium acetate and suggests referring to the MSDS for guidance, expressing doubt about its high toxicity but cautioning against excessive exposure.

Areas of Agreement / Disagreement

Participants express concern about the toxicity of the smoke produced, but there is no consensus on the specific toxicity levels or safety implications of inhaling ammonium acetate.

Contextual Notes

The discussion does not resolve the specific toxicity levels of ammonium acetate when inhaled, and participants rely on MSDS information without providing detailed data or studies.

Janson Raymond Kenny
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Hi!
I work in the movie business doing Special Effects.
To create smoke for some effects we use "A+B Smoke." It is simply a mix of Acetic Acid (Part A) and Ammonium Hydroxide (Part B).
However, the smoke effects is created when the VAPOURS of these 2 chemicals mix in the air.

The MSDS Safety sheet lists the resulting mix as only an "irritant" to eyes, throat, and lungs HOWEVER, I believe these safety ratings are based on the solid remainder of Ammonium Acetate. (I hope that is correct) I am more concerned about the toxicity of the resulting SMOKE and not the solid remainder.

What is the resulting toxicity of these two chemicals reacting together?
What is the toxicity of the VAPOURS/Smoke created by mixing these chemicals?

Any help would be greatly appreciated
Thanks!
 
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Janson Raymond Kenny said:
I am more concerned about the toxicity of the resulting SMOKE and not the solid remainder.
Smoke is just a solid dispersed in air. In this case, the smoke is made up of tiny ammonium acetate particles dispersed in the air. The only other product is water.
 
Thanks for your quick reply...
Any idea how toxic ammonium acetate is when inhaled?
 
Janson Raymond Kenny said:
Any idea how toxic ammonium acetate is when inhaled?
I would go with whatever the MSDS says. I doubt it's terribly toxic, but I wouldn't recommend lots and lots of exposure to it.
 

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