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Mothballs, Yay Or Nay?

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 Posted 10/28/2020  08:55 am Show Profile   Bookmark this topic Add Stimpy to your friends list Get a Link to this Message
I store my coins in a safe in a closet. Would it be safe (pun intended ) to put some mothballs in the closet? Not in the safe but just in the closet. I installed a fireproof rope gasket in the safe door if that makes any difference.

TIA
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 Posted 10/28/2020  09:28 am  Show Profile   Bookmark this reply Add MOS0239 to your friends list Get a Link to this Reply
Probably not.

Show us pictures of the safe and closet.
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 Posted 10/28/2020  09:49 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Do moths eat coins?



to the CCF!
Edited by Coinfrog
10/28/2020 09:49 am
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 Posted 10/28/2020  09:54 am  Show Profile   Bookmark this reply Add MOS0239 to your friends list Get a Link to this Reply
Don't know if the odor or fumes from mothball effects coins.
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 Posted 10/28/2020  10:20 am  Show Profile   Bookmark this reply Add Zurie to your friends list Get a Link to this Reply
There are reports of mothballs being used to prevent silver from tarnishing. But I would never use them because I hate the smell...
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 Posted 10/28/2020  11:49 am  Show Profile   Bookmark this reply Add Morgan Nerd to your friends list Get a Link to this Reply
No, I would not use mothballs. They stink, and who knows what effect they'll have on coins.
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 Posted 10/28/2020  11:50 am  Show Profile   Bookmark this reply Add Morgan Nerd to your friends list Get a Link to this Reply
I personally use a closet de-humidifier and 40 grams of silica in my safe.
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 Posted 10/28/2020  12:17 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@stimpy, it is a little unclear what purpose you have for these mothballs. Are they for other items (such as woolen clothes) also in this closet or specifically for the coins?

As far as odors go, my only experience was when I purchased an old numismatic book from the estate of a smoker. I had to air that thing out for months and now even years later still has some lingering odor from the cigarettes. If at all possible, I would try to separate your collection from strong smells.

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 Posted 10/28/2020  1:18 pm  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply

Quote:
Do moths eat coins?

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In Memory of Fallen Black Sheep Mates .
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 Posted 10/28/2020  1:29 pm  Show Profile   Bookmark this reply Add Morgan Nerd to your friends list Get a Link to this Reply
Do moths eat coins?

Moth:
MMMMMMMMM...yuuuummmmy coin! The gold is delicious, my precious!
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 Posted 10/28/2020  2:02 pm  Show Profile   Bookmark this reply Add Stimpy to your friends list Get a Link to this Reply
The mothballs are for the items in the closet, the safe just happens to be in there too. The problem is stuff that's been in there a long time has a strong musky odor I find quite offensive and washing them has very little effect. It didn't occur to me till just now that I might find the smell of mothballs even more offensive. Guess I'll look for another solution. I have desiccants and activated carbon in the safe with the coins.
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 Posted 10/28/2020  8:22 pm  Show Profile   Bookmark this reply Add tdziemia to your friends list Get a Link to this Reply

If the safe has a decent seal on it, should be no problem.

If it doesn't, I would be worried about long term exposure of plastics (slabs) to the aromatic hydrocarbons in mothballs.
Polyetser is not very resistant to chemicals like this ...

Since the airborne concentrations are very low, I doubt that days, weeks months would pose an issue, but long term exposure, maybe.

The coins themselves would probably not be affected.
Edited by tdziemia
10/28/2020 8:25 pm
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 Posted 10/28/2020  8:41 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
After photographing them, I keep all my slabs frozen in ice, thinking this will prevent any deterioration.
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 Posted 10/29/2020  07:56 am  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply
Although most moth balls smell similar, just as with even water, not all are the same chemically. In other words, play it safe and don't do it.
just carl
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 Posted 10/29/2020  6:30 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
To answer the question more directly: "moth balls" can be made of different substances, depending on your geographic location. Naphthalene used to be the main ingredient; in North America, this has largely been replaced by 1,4-dichlorobenzene, while in Asian countries, camphor is usually used.

All three compounds ought to be harmless to coins, as they contain no sulfur and do not otherwise react with metal. They will make the coins smell, though.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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