RU_KLO
Hazard to Others
Posts: 319
Registered: 12-10-2022
Location: Argentina
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Does NO/NO2 gas put nitrile gloves on fire?
I know that fumming nitric acid, puts nitrile/latex gloves on fire.
But also that 60% nitric acid does not.
I have currently a beaker dissolving some metals, which is inside in another beaker with some sodium carbonate to absorve the acidic gases.
This beaker is capped with a nitrile glove attached with rubber bands.
The generation of NO/NO2 gases is not very high, but you can see the interior of the beaker mildly orange.
Could the nitrile glove get on fire?
Go SAFE, because stupidity and bad Luck exist.
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teodor
International Hazard
Posts: 1169
Registered: 28-6-2019
Location: Netherlands
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I can hardly imagine NO2 can put any rubber on fire especially in gaseous state. But surely it can eat through.
There are not so many things hypergolic with NO2, otherwise we would know.
Make an experiment with turpentine. It is hypergolic even with usual (not fuming) HNO3. But in NO2 N has +4 oxidation state, not +5.
[Edited on 31-7-2025 by teodor]
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bnull
National Hazard
Posts: 995
Registered: 15-1-2024
Location: East Woods
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Mood: Fecking annoyed
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Degradation, yes; fire, not likely. It would need (a) condensation of water and nitric acid vapors on the surface of the glove in contact with the
gases, (b) absorption of dioxide by the condensate, (c) absence of reaction between condensate and rubber until the concentration reaches the right
spot for combustion. It would be really fun to watch if it were to happen.
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