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Old 08-06-2010, 03:40 AM   #1
jerryalan
 
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I found some 55 gallon drums for a great price today but they have a label that says Dimethyl Carbonate. I'm no scientist so the explanation on wikipedia didn't do me much good (http://en.wikipedia.org/wiki/Dimethyl_carbonate). Does anyone know if these can be used for homebrewing or is Dimethyl Carbonate bad?
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Old 08-06-2010, 12:59 PM   #2
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http://www.sciencelab.com/msds.php?msdsId=9923808

 
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Old 08-06-2010, 02:17 PM   #3
stevehaun
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Are these drums stainless steel? The wikipedia site states that dimethyl carbonate is fairly soluble in water (13.9 g/100 ml) so it should be easily rinsed out. If the drums are plastic (HDPE) its not worth the risk as there are plenty of cheap plastic drums available. If it is stainless steel, I think you could easily clean them. When I got my SS drum, I wasn't sure what it had been used for. I cleaned it out with oxiclean. I then boiled solutions of both base (NaOH) and acid (H3PO4) in the drum. I felt pretty confident that I wouldn't have to worry about any toxic exposures.

 
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Old 08-06-2010, 02:50 PM   #4
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MSDS says it's insoluble in water. Even if you could you'd hardly want to just pour it down the drain. It requires appropriate disposal.

 
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Old 08-06-2010, 03:00 PM   #5
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Quote:
Originally Posted by stevehaun View Post
The wikipedia site states that dimethyl carbonate is fairly soluble in water (13.9 g/100 ml) so it should be easily rinsed out.
Quote:
Originally Posted by Thirteen View Post
MSDS says it's insoluble in water.
welcome to the interwebs.

 
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Old 08-06-2010, 03:03 PM   #6
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welcome to the interwebs.

Guess which source I'd be trusting.

 
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Old 08-06-2010, 03:42 PM   #7
jerryalan
 
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Quote:
Originally Posted by stevehaun View Post
Are these drums stainless steel?
They aren't SS.
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Fermenting - Blonde Ale
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Old 08-06-2010, 03:44 PM   #8
jerryalan
 
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Quote:
Originally Posted by Thirteen View Post
MSDS says it's insoluble in water. Even if you could you'd hardly want to just pour it down the drain. It requires appropriate disposal.
Good enough for me. I'll be passing on these. I knew they were too good to be true. Not SS but they're only $5 each.
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Tapped - IPA
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Bottled - Robust Coffee Porter
Fermenting - Blonde Ale
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Old 08-06-2010, 05:03 PM   #9
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Quote:
Originally Posted by jerryalan View Post
Good enough for me. I'll be passing on these. I knew they were too good to be true. Not SS but they're only $5 each.
Good move! The MSDS goes on to say that inhalation exposure can depress the central nervous system. Not good stuff to be playing with.
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Old 08-06-2010, 09:12 PM   #10
jerryalan
 
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I found some 55 gallon drums for $20 each. They're not stainless steel but they are food-grade and held vegetable oil. Can steel that is not stainless be used for brewing?
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Tapped - IPA
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Tapped - Air
Bottled - Robust Coffee Porter
Fermenting - Blonde Ale
On Deck - Not sure yet
Current Project - Electric Brewing

 
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