Table of Contents
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.
What is naphthalene used for in everyday life?
Naphthalene is used to make mothballs, PVC, insecticides (insect killing chemicals), dyes, toilet deodorant blocks, and phthalic anhydride. The latter, among many other things, is used to make pharmaceutical and resins. Naphthalene is flammable and potentially explosive.
Where naphthalene balls are used?
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).
Why naphthalene is used in toilet?
Naphthalene balls are used to kill moth and moth larva found in clothes made from natural fibers. These have a sublimating property and emanate fumes to kill moths and insects. This naphthalene ball is widely used in shoe cabinets, bookcases, bathroom and closets to control pests.
Is naphthalene a solid or liquid?
Physical / Chemical Properties: Naphthalene is a white crystalline or colorless to brown solid. Naphthalene has a distinct aromatic odor. Vapor pressure1: 0.087 mmHg.
Why is naphthalene banned UK?
3. Why is Naphthalene banned? The substance is banned due to its toxicity to humans, especially children, and its carcinogenic (cancer causing) properties. It is also highly flammable.
Is Naphthalene a solid or liquid?
What do mothballs smell like?
What do moth balls smell like? The pyrethroid in modern mothballs is odourless. Traditional moth balls, the ones we know from our childhoods, contain one of two chemicals, napthalene or paradichlorobenzene. These are white opaque crystal-like balls and they have a tell-tale strong, unpleasant, acrid smell.
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 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 are the uses of naphthalene balls?
Naphthalene balls can be a useful tool for murdering those scum bag moth babies . Placed in a closet or in your chest of drawers to keep clothes free from the relentlessly hungry jaws of the moth larvae. However, naphthalene balls themselves can leave behind a pungent, unpleasant odor, and you may want to remove them from your home completely.
Is naphthalene toxic to humans?
Mechanisms of toxicity. According to the International Agency for Research on Cancer, naphthalene is possibly carcinogenic to humans ( Group 2B), as there is inadequate evidence in humans for the carcinogenicity of naphthalene, however there is sufficient evidence in experimental animals for the carcinogenicity of naphthalene.