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Ethylbenzene is an organic compound with the formula C 6 H 5 CH 2 CH 3. It is a highly flammable, colorless liquid with an odor similar to that of gasoline . This monocyclic aromatic hydrocarbon is important in the petrochemical industry as a reaction intermediate in the production of styrene , the precursor to polystyrene , a common plastic ...
Biocides are commonly used in medicine, agriculture, forestry, and industry. Biocidal substances and products are also employed as anti-fouling agents or disinfectants under other circumstances: chlorine, for example, is used as a short-life biocide in industrial water treatment but as a disinfectant in swimming pools.
It is used primarily as a precursor to the manufacture of chemicals with more complex structures, such as ethylbenzene and cumene, of which billions of kilograms are produced annually. Although benzene is a major industrial chemical , it finds limited use in consumer items because of its toxicity.
Benzalkonium chloride is a frequently used preservative in eye drops. Typical concentrations range from 0.004% to 0.01%. [17] Stronger concentrations can be caustic [18] and cause irreversible damage to the corneal endothelium. [19] Avoiding the use of benzalkonium chloride solutions while contact lenses are in place is discussed in the literature.
Benzyl benzoate is an effective and inexpensive topical treatment for human scabies. [7] It has vasodilating and spasmolytic effects and is present in many asthma and whooping cough drugs. [8] It is also used as an excipient in some testosterone-replacement medications (like Nebido) for treating hypogonadism. [9]
The term creosote has a broad range of definitions depending on the origin of the coal tar oil and end-use of the material. With respect to wood preservatives, the United States Environmental Protection Agency (EPA) considers the term creosote to mean a pesticide for use as a wood preservative meeting the American Wood Protection Association (AWPA) Standards P1/P13 and P2. [6]
Benzocaine, sold under the brand name Orajel amongst others, is a local anesthetic, belonging to the amino ester drug class, commonly used as a topical painkiller or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products for oral ulcers .
They are also used as food preservatives. Parabens are additionally found in pharmaceutical products such as topical treatments for wounds. These treatments help heal wounds by keeping the skin moist and preventing infection. [7] The antimicrobial properties of parabens play a role in the effectiveness of the treatment.