Sciencemadness Discussion Board

Cl2 gas generator

ThatChemist89 - 28-8-2024 at 15:55

Hello!
ive recently come across that i need a Cl2 gas generator to make some HCL
but the issue is....I dont have HCL............

Is there anyway that i would make Cl2 from bleach...?
Electrolysis is not viable i dont have space neather do i have a air pump to actually pump the gas I'm just working with pressure hare.

Rainwater - 28-8-2024 at 16:43

XCl + HY = HCl + XY

H2SO4, vinegar, nitric. Really just pick your poison.
Do you have any specific requirements like anhydrous or controlled atmosphere.


[Edited on 29-8-2024 by Rainwater]

Welcome :)

Sulaiman - 28-8-2024 at 18:18

In a small space HCl and/or Cl2 gas will SEVERELY corrode metals,
especially iron, steel, copper, and anything that you value....

Neither gas is healthy,
but if you work at test tube scale,
coughing or watery eyes will warn you of extreme danger.
If you are considering a larger scale then I suggest that you ask for further advice.
Take care, and always wear eye protection when doing ANY chemistry.

PS HCl is often sold as : muriatic acid, brick cleaner, concrete cleaner, pool acid/pH-down.
Also, HCl is notoriously difficult to seal in a bottle,
- even a tiny leak will slowly release destruction.

[Edited on 29-8-2024 by Sulaiman]

woelen - 28-8-2024 at 23:10

I myself made lots of Cl2 by adding solid pH-minus (NaHSO4.H2O) to 12% bleach. When this is done, you get copious amounts of Cl2, from two swimmingpool chemicals, which are easy to obtain in most countries.

Precipitates - 28-8-2024 at 23:40

Courtesy of the sciencemadness library:
The Golden Book of Chemistry Experiments

Chlorine on p34 and 35.

I just love the drawings.