Molecules

Definition Molecules are defined chemical compounds in which at least two, but usually more, atoms are covalently bonded together. Typical atoms in molecules are nonmetals such as carbon (C), hydrogen (H), oxygen (O), nitrogen (N), sulfur (S), phosphorus (P), and halogens (fluorine (F), chlorine (Cl), bromine (I), iodine (I)). Organic compounds contain carbon atoms. The … Molecules

Kerosenes

Products Pure kerosenes are available in pharmacopoeia quality in pharmacies and drugstores. They are also found in creams, ointments, pastes, body lotions, baths, eye drops, cosmetics, gauzes and emulsions for ingestion, among other products. Kerosenes are also known as mineral oils and have been used medicinally since the 19th century. Structure and properties The pharmacopoeia … Kerosenes

Fats Oils

Products Oils for medicinal use and medicines and dietary supplements made from them are available in pharmacies and drugstores. Fatty oils are also available in grocery stores. Structure and properties Fatty oils belong to the lipids. They are lipophilic and viscous liquids composed mainly of triglycerides. These are organic compounds of glycerol (glycerol) whose three … Fats Oils

Bold

Products Fats for medical use and medicines and dietary supplements made from them are available in pharmacies and drugstores. They are also available in grocery stores. Fats are also called butter, such as shea butter. Structure and properties Fats are semi-solid to solid and lipophilic mixtures of substances (lipids) consisting mainly of triglycerides. These are … Bold

Monosaccharides

Products Pure monosaccharides are available in specialty stores, such as pharmacies and drugstores. The best-known monosaccharides include glucose (grape sugar), fructose (fruit sugar) and galactose (mucilage sugar). Structure and properties Monosaccharides are the simplest carbohydrates (“sugars”), consisting of carbon (C), hydrogen (H), and oxygen (O) atoms. The organic compounds have the general formula Cn(H2O)n. There … Monosaccharides

Sulfur

Products Pure sulfur is available in pharmacies and drugstores. It is found in creams, shampoos and sulfur baths, among other products. Structure and properties The pharmacopoeia defines sulfur for external use (S, Mr = 32.07 g/mol) as a yellow powder that is practically insoluble in water. Sulfur melts at about 119°C to form a red … Sulfur

Density

Definition We know from everyday life that the same volumes of different substances do not have the same mass. A liter measure full of down is much lighter than a liter measure filled with sugar. Fresh snow is lighter than ice, and ice is slightly lighter than water, although they are all H2O. Density is … Density

Disinfectant

Products Disinfectants are commercially available in the form of sprays, as solutions, gels, soaps and as soaked swabs, among others. A distinction can be made between products intended for use on humans (skin, mucous membranes) and those intended for objects and surfaces. In addition to medical devices, medicinal products are also approved. These include, for … Disinfectant

Mass

Definition Mass is a physical property of matter. It is one of the basic quantities of the International System of Units (SI). The kilogram (kg) is used as the unit of mass. The mass of an object is equal to the sum of the atomic masses of all the atoms it contains. Kilogram and gram … Mass