Plus, I haven't a clue what Tocopheryl Acetate is, but it sounds as if 
it might have an ionic bond somewhere in the molecule (it could also be 
an ester).

Brian

Karen Tellefsen wrote:
> Purell:
> 
> Ingredients:
> Active Ingredients: Contains: Ethyl Alcohol (62%)
> 
> Inactive Ingredients: Water, Glycerin, Isopropyl Myristate, Propylene
> Glycol, Tocopheryl Acetate, Aminomethyl Propanol, Carbomer, Fragrance
> (parfum)
> 
> 
> The glycerin and propylene glycol would concern me, they're both
> hydrophillic.  The ethanol in the active ingredient, maybe a mixture of
> 60% ethanol 35% water 5% isopropanol ( to make it undrinkable, but safe
> enough for topical use) would be better around  circuit boards.  It would
> tend to dry the users' hands, but would not help to contaminate circuit
> boards.
> 
> I've always found hand sanitizer superfluous, just washing ones hands with
> soap and water kills most germs.
> 
> 
> Karen Tellefsen - Electrical Testing
> [log in to unmask]
> 908-791-3069
> 
> 
> 
>                                                                            
>              Carl Proescholdt                                              
>              <[log in to unmask]>                                             
>              Sent by: TechNet                                           To 
>              <[log in to unmask]>         [log in to unmask]                     
>                                                                         cc 
>                                                                            
>              04/27/2009 09:24                                      Subject 
>              AM                        [TN] Hand Sanitizer and PCB         
>                                        Assembly                            
>                                                                            
>              Please respond to                                             
>               TechNet E-Mail                                               
>                    Forum                                                   
>              <[log in to unmask]>                                             
>              ; Please respond                                              
>                     to                                                     
>              Carl Proescholdt                                              
>              <[log in to unmask]>                                             
>                                                                            
>                                                                            
> 
> 
> 
> 
> With the recent news cycle and the concern over the flu virus, several
> people in the workforce have been asking if using a hand sanitizer such as
> Purell brand would be acceptable to use.  From what I can see in the MSDS,
> the main component is alcohol, but not all ingredients are listed.
> 
> I realize the best approach for actual board contact is a good hand washing
> and gloves, but even if we put this stuff in the breakroom, and ask that
> people wash and re-glove before returning to the production area, I am
> afraid of contaminants reaching the production floor.  Also, if we don’t
> provide something, I suspect people will start carrying it in and using it
> themselves.  Has anyone else turned up anything to suggest that it wouldn't
> be OK to use this type product in an assembly environment?   Any specific
> brand recommendations?
> 
> If only we could just build boards...Happy Monday!
> 
> Carl Proescholdt
> dca manufacturing corp
> 
> 

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