I have commercial ethanol that I use for production of a product. As you know, this alcohol have some impurities including; aldehydes, esters, oils, Ketones, anhydride sulfur, surfurs.
I'm wondering If someone tell me that what chemical compound(s) cause(s) the bad smell of ethanol?
Thanks in advance.
MRT.
Denatonium benzoate is used to denature ethanol so that it is not treated as an alcoholic beverage with respect to taxation and sales restrictions. One designation in particular, SD-40B, indicates that ethanol has been denatured using denatonium benzoate. The common name for this chemical, denatonium, alludes to this application.
https://en.wikipedia.org/wiki/Denatonium
Dear Mr. Dr. Mc Qualter,
Firstly, I should appreciate your kind and helpful answer.
Do you have any information about the negative side effects of the alcohol impurities (if they exceed their standard limits) on the antiseptic behavior of an alcohol sample?
In fact the question is, can any of these impurities have negative effects upon the antiseptic efficiency of an alcohol sample?
Ethyl alcohol (ethanol) made undrinkable by the addition of very bad-tasting chemicals (denaturants) such as methanol, pyridine,isopropyl alcohol, acetone, methyl ethyl ketone, methyl isobutyl ketone, and denatonium etc.which usually have offensive odor.The objective of denaturing is to escape the excise duty levied on drinkable ethanol.Methyl alcohol (methanol) has the weakest bactericidal action of the alcohols and thus seldom is used in healthcare. The most feasible explanation for the antimicrobial action of alcohol is denaturation of proteins.The denatured alcohol is not reported to show any negative effect on its antiseptic efficacy but it may have some toxic effets when applied on skin with wounds due to the presence of denaturants.
If Ethanol have bad smell means some thing wrong within the production process. Probability presence of Formaldehyde can not be ruled out. Such bad smell product should be restricted to use.
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