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post #11 of 16 Old 05-18-2019
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Re: Strange Smell from Propane Stove

Quote:
Originally Posted by john61ct View Post
propane itself is actually odorless, they use a "rotten egg" type odor additive for safety, may vary in different countries

like dyeing petrol
In the US, it's mercaptan.

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post #12 of 16 Old 05-18-2019
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Re: Strange Smell from Propane Stove

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Originally Posted by Rmaddy View Post
In the US, it's mercaptan.
Mercaptan is not a substance in and of itself. The term indicates that an -S-H group has been added to the hydrocarbon in question.

Methanethiol aka Methyl Mercaptan is CH4S
Ethanethiol aka Ethyl Mercaptan is C2H6S
Peopanethiol aka Propyl Mercaptan is C3H8S
etc.

All of these have a rotting smell. Ethyl Mercaptan is used to give propane its distinctive smell.
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post #13 of 16 Old 05-18-2019
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Re: Strange Smell from Propane Stove

Quote:
Originally Posted by chicory83 View Post
Mercaptan is not a substance in and of itself. The term indicates that an -S-H group has been added to the hydrocarbon in question.

Methanethiol aka Methyl Mercaptan is CH4S
Ethanethiol aka Ethyl Mercaptan is C2H6S
Peopanethiol aka Propyl Mercaptan is C3H8S
etc.

All of these have a rotting smell. Ethyl Mercaptan is used to give propane its distinctive smell.
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While I didn't expect strictly S to be added directly, it's fascinating that a sulfur molecule is, in fact, a part of the S-H additive.


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post #14 of 16 Old 05-25-2019 Thread Starter
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Re: Strange Smell from Propane Stove

It definitely doesn't smell like propane. We've noticed the smell for over a year now and recently cleaned-out the inside of the oven. We will pay close attention after we refill the tank. I also wonder if perhaps the gas is not burning completely, as happens with car engines that aren't properly tuned.
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post #15 of 16 Old 05-25-2019
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Re: Strange Smell from Propane Stove

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Originally Posted by glossa View Post
. I also wonder if perhaps the gas is not burning completely, as happens with car engines that aren't properly tuned.
Yes.
Most ovens are made to use either propane or butane. You don't need to adjust the stove but you can.
Perhaps the po used a different gas? Or the burner thing moved adjustment.

You will need to find the User Manual to work out how to change it. It's something like: you pull or push the bottom gas element. Might need to ease a hose fitting type clamp.


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post #16 of 16 Old 05-26-2019
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Re: Strange Smell from Propane Stove

In any event, it sounds like an incomplete combustion problem also. Do you have a CO monitor? That might give a clue.

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