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What is the common use for naphthalene?
Naphthalene is an aromatic hydrocarbon found in coal tar or crude oil. Naphthalene is used in the manufacture of plastics, resins, fuels, and dyes. It is also used as a fumigant insecticide that works by turning directly from a solid into a toxic vapor. This process is called sublimation.
What is called naphthalene?
Naphthalene is a bicyclic aromatic hydrocarbon derived from coal tar or crude oil. 1,2. It is an insecticide that is also used as a repellent. 3. Its International Union of Pure and Applied Chemistry (IUPAC) name is naphthalene.
What is naphthalene simple words?
: a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis.
Is camphor and naphthalene same?
As nouns the difference between camphor and naphthalene is that camphor is (organic compound) a white transparent waxy crystalline isoprenoid ketone, with a strong pungent odour, used in pharmacy while naphthalene is a white crystalline hydrocarbon manufactured from coal tar; used in mothballs.
What is naphthalene found in?
Naphthalene is made from crude oil or coal tar. It is also produced when things burn, so naphthalene is found in cigarette smoke, car exhaust, and smoke from forest fires. It is used as an insecticide and pest repellent. Naphthalene was first registered as a pesticide in the United States in 1948.
Is naphtha and naphthalene same?
Naphtha is the root of the word naphthalene, and can also be recognised in the word phthalate, and the paint colour phthalo blue. In older usage, “naphtha” simply meant crude oil, but this usage is now obsolete in English.
Where is naphthalene found?
Naphthalene is made from crude oil or coal tar. It is also produced when things burn, so naphthalene is found in cigarette smoke, car exhaust, and smoke from forest fires. It is used as an insecticide and pest repellent.
What is the example of naphthalene?
Naphthalene
| Names | |
|---|---|
| Other names white tar, camphor tar, tar camphor, naphthalin, naphthaline, antimite, albocarbon, hexalene, mothballs, moth flakes | |
| Identifiers | |
| CAS Number | 91-20-3 |
| 3D model (JSmol) | Interactive image |
What are naphthalene balls?
Mothballs are small balls of chemical pesticide and deodorant, sometimes used when storing clothing and other articles susceptible to damage from mold or moth larvae (especially clothes moths like Tineola bisselliella).
Is camphor a moth ball?
In days gone by, mothballs were usually made of camphor. Waxy and white or clear, camphor comes from a few different plants, most notably the Asian camphor laurel. It can also be made from turpentine. Its fumes discourage insects, which is no doubt why plants with it evolved in the first place.
Does petrol contain naphthalene?
Naphthalene is a natural component in coal tar and crude oil with typical contents of 11% and 1.3%, respectively [2]. It is also a constituent of gasoline, diesel and jet fuel.
What products contain naphthalene?
The major consumer products made from naphthalene are moth repellents, in the form of mothballs or crystals, and toilet deodorant blocks. It is also used for making dyes, resins, leather tanning agents, and the insecticide carbaryl.
What effect does naphthalene have on the human body?
Naphthalene is used in the production of phthalic anhydride ; it is also used in mothballs. Acute (short- term) exposure of humans to naphthalene by inhalation, ingestion, and dermal contact is associated with hemolytic anemia, damage to the liver, and neurological damage.
What are the safety hazards of naphthalene?
Other potential safety concerns, besides health-related ones, related to naphthalene include: Fire hazard – naphthalene is a flammable/combustible solid and can be ignited with a flame, spark, friction, or heat. Explosive hazard – above 80 degrees C, naphthalene may form a vapor/air mixture that is explosive.
What chemicals are in naphthalene?
The crude naphthalene resulting from this process is about 95% naphthalene by weight. The chief impurities are the sulfur-containing aromatic compound benzothiophene (< 2%), indane (0.2%), indene (< 2%), and methylnaphthalene (< 2%). Petroleum-derived naphthalene is usually purer than that derived from coal tar.
What does the name naphthalene mean?
naphthalene(Noun) A white crystalline hydrocarbon manufactured from coal tar; used in mothballs. Etymology:From naphtha + -ene. naphthalene(Noun) An aromatic bicyclic hydrocarbon, CH; an acene containing two fused benzene rings. Etymology:From naphtha + -ene. Webster Dictionary(0.00 / 0 votes)Rate this definition: Naphthalene(noun)