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Naphthalene is a major component of some mothballs.It repels moths as well as some animals. [citation needed]Since mothballs that contain naphthalene are considered hazards, safer alternatives have been developed, such as the use of 1,4-dichlorobenzene, however, 1,4-dichlorobenzene has been declared as a potential neurotoxin. 1,4-dichlorobenzene has been linked to potentially causing ...
Both naphthalene and 1,4-dichlorobenzene undergo sublimation, meaning that they transition from a solid state directly into a gas; this gas is toxic to moths and moth larvae. [ 1 ] Due to the health risks of 1,4-dichlorobenzene, and flammability of naphthalene, other substances like camphor are sometimes used.
In a sealed container containing naphthalene pellets, naphthalene vapors build up to levels toxic to both the adult and larval forms of many moths that attack textiles. Other fumigant uses of naphthalene include use in soil as a fumigant pesticide , in attic spaces to repel insects and animals such as opossums , [ 30 ] and in museum storage ...
The chemicals composing the block vary. The original formulations were based upon naphthalene and then later para-dichlorobenzene, both now known to be hazardous to health by inhalation. In some areas, the use of para-dichlorobenzene-based blocks has been banned; in other areas para-dichlorobenzene blocks or "para blocks" are still used.
After the FDA has banned red dye No.3, you may be wondering which drinks and candies contain it. Here's the full list—plus, when it'll be removed from shelves.
This colorless solid has a strong odor. The molecule consists of a benzene ring with two chlorine atoms (replacing hydrogen atoms) on opposing sites of the ring. It is used as a disinfectant , pesticide , and deodorant , most familiarly in mothballs in which it is a replacement for the more traditional naphthalene because of naphthalene's ...
The rotting smell the tree exudes is to attract pollinators and the unpleasant smell lingers until the white flowers fall off. Fishy trees: Bradford pear trees might be pretty in spring, but they ...
The mystery of the black balls that washed up on some of Sydney’s most iconic beaches last month has now been solved – and it’s more disgusting than you could ever imagine.