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1,4-Dichlorobenzene (Mothball) Crystals | by Paul's Lab
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1,4-Dichlorobenzene (Mothball) Crystals

These crystals were grown by melting 1,4-dichlorobenzene, the main ingredient of mothballs, and then letting it cool down again in a closed container. Crystals will form on the inside like ripe on a cold winters day. You can see them more easily when you use a glass container of course.

 

Crystals that are too big will fall down to the bottom, leaving only the smaller crystals on the glass surface.

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Taken on December 22, 2009