Does mothball smell ever go away? Mothball odor is a terrible smell to have clinging to your clothing. And we have some shocking news for you: a single mothball takes about 3-6 months to dissipate completely. If you put the mothball under fabric or someplace where there is no air circulation, it takes about 12 months to dissipate!
How long do moth ball fumes last? How Long Does it Take for Mothballs to Dissipate? One mothball in open air takes 3-6 months to dissipate entirely. If you place the mothball underneath clothing or otherwise not in open air, it will take up to 12 months to completely dissipate.
Is the odor from mothballs harmful? Moth balls contain a toxic chemical, either naphthalene or paradichlorobenzene. Both become a gas when exposed to air and cause that pungent moth ball smell. These gases are irritating to the eyes and lungs and may cause headache, dizziness and nausea. They are both suspected of causing cancer.
Can you sleep in a room with mothballs? ‘ and the answer to this question is yes, potentially. According to the National Pesticide Information Center (NPIC), the chemicals use in mothballs can be toxic to humans and pets and as people are exposed to these chemicals that are released as toxic fumes in the air space of the home.