Chemysrylation Posted February 15 Share Posted February 15 I'd like to know how much I'd have to dilute the following acids in a given solvent so that their vapors/malodors could simply be inhaled without causing any harm to one's health: - butyric acid - isovaleric acid - propionic acid I am not interested in any ppm values or thelike, but only in the values for the maximal possible concentrations of the acids in solutions so that they generally can't cause any harm any more if you inhale them (e. g. if the solution is then sprayed into the air or on a piece of cloth to be smelled...). How do I get to know these values anyways? I couldn't find anything on this online. Possible applications for this are manifold: creating prank sprays, scent generators, tests with sniffing sticks... Link to comment Share on other sites More sharing options...
chenbeier Posted February 15 Share Posted February 15 First this is not inorganic and second you asked it already in an other forum. We dont discuss to make pharmaceutical products. Link to comment Share on other sites More sharing options...
Chemysrylation Posted February 15 Author Share Posted February 15 I feel sorry for your apprehensions hoping that people who try to block communication are not the only ones to contribute here. Some of the acids may be classified as organic, too. It won't matter. Neither am I a pharmaceutic. Just curious and a friend of knowledge... Link to comment Share on other sites More sharing options...
Chemysrylation Posted February 19 Author Share Posted February 19 What data banks do they use when they mix perfumes and use acids so they know how high they can go in their concentrations? What data banks do they use when they make prank sprays that smell bad? Is there anybody here who knows anything about it or who else could I ask? Grateful for any hints because I am currently clueless. ❔❓ Link to comment Share on other sites More sharing options...
swansont Posted February 19 Share Posted February 19 If there is actual harm to health then there should be a limit set by a government agency. Companies generally guard their proprietary information; I doubt there would be a database you could access Link to comment Share on other sites More sharing options...
exchemist Posted February 19 Share Posted February 19 7 hours ago, Chemysrylation said: What data banks do they use when they mix perfumes and use acids so they know how high they can go in their concentrations? What data banks do they use when they make prank sprays that smell bad? Is there anybody here who knows anything about it or who else could I ask? Grateful for any hints because I am currently clueless. ❔❓ Well I suppose you could get the MSDS for a start. There will generally be information about eye irritation and inhalation on those. But you may have already done that. Link to comment Share on other sites More sharing options...
John Cuthber Posted February 19 Share Posted February 19 The actual data you need is a Henry's law constant. https://acp.copernicus.org/articles/15/4399/2015/acp-15-4399-2015.pdf then you can calculate how much stuff gets into teh vapour phase from a solution of a given concentration and then you can compare that against the permitted concentrations. Good luck. You might also want to know about these. https://assets.publishing.service.gov.uk/media/5a7ce177e5274a2ae6eeb560/scho0307bmkt-e-e.pdf Link to comment Share on other sites More sharing options...
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