[arditiww1]

For Amyl Mercaptan, propane, butane or any other lpg gas component

[Arkcon]

Greetings, arditiww1:, I'd like to welcome you and everyone new to the Chemical Forums,  but I want to ask you to review our Forum Rules{click}.  You already accepted the rules when you signed up for our forum, and you have to follow them, whether you agree with them or not, or even if you're unaware of them.

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Re: Please suggest some Phase Change material or endothermic reaction

OK.  That's the title you wrote.  You want phase change.  Or a material -- that changes phases, or causes phase change?  What could that possibly mean? Or endothermic reaction.  These are the same to your application?  Or mutually exclusive?  Oh, well, you can explain more in the body of your post ...

For Amyl Mercaptan, propane, butane or any other lpg gas component

Oh, no you don't explain more in the body of your post.  Try again, more completely this time.

[arditiww1]

I wanted to ask is there any reaction when reacted with RSH (thiol) group causes the substance to change its state from solid to liquid or liquid to gas like that or reaction that is endothermic in reaction which will help in removing heat from water or ice so it changes phase.