Malic Acid

Products Pure malic acid is available in specialized stores. The name of the acid is derived from Latin (apple), because it was first isolated from apple juice in 1785. Structure and properties Malic acid (C4H6O5, Mr = 134.1 g/mol) is an organic dicarboxylic acid which belongs to the hydroxycarboxylic acids. It exists as a white … Malic Acid

Polysorbate 60

Products Polysorbate 60 is used as an excipient in solid, liquid and semi-solid medicines. It is also used in personal care products. Structure and properties Polysorbate 60 is a mixture of partial esters of fatty acids, mainly stearic acid, with sorbitol and its anhydrides ethoxylated with about 20 moles of ethylene oxide for each mole … Polysorbate 60

Shellac

Products Shellac is available as a pure substance in specialized shops. It is included in many medicinal products as an excipient. Structure and properties Shellac is a purified product made from the resinous secretions of female specimens of the lacquer scale insect. Depending on the process, four types can be distinguished: Waxy shellac Bleached shellac … Shellac

Silicon Dioxide

Products Pharmacopeial grade pure silicon dioxide is available in pharmacies and drugstores. Note: In English, silicon is called silicon and silicon dioxide is called silicon dioxide. Structure and properties Silicon dioxide (SiO2, Mr = 60.08 g/mol) is the oxide of silicon. It exists, for example, as a fine white powder and is practically insoluble in … Silicon Dioxide

Calcium Chloride

Products Calcium chloride is available as a pure substance in pharmacies. In pharmaceuticals, it is included as an active ingredient and excipient, for example in infusion preparations. Structure and properties Calcium chloride (CaCl2, Mr = 110.98 g/mol) is the calcium salt of hydrochloric acid. It exists as a white crystalline powder, crystals, or crystalline mass … Calcium Chloride

Lactic Acid

Products Lactic acid is available as a pure substance in pharmacies and drugstores. It is found in pharmaceuticals, cosmetics, and medical products, including wart remedies, corn remedies, vaginal care products, skin care products, and callus removal products. Structure and properties Lactic acid (C3H6O3, Mr = 90.1 g/mol) is an organic acid belonging to the α-hydroxycarboxylic … Lactic Acid

Calcium Sulfate

Products Calcium sulfate and plaster bandages are available, for example, in pharmacies and drugstores. Structure and properties Calcium sulfate dihydrate (CaSO4 – 2 H2O, Mr = 172.2 g/mol) is the calcium salt of sulfuric acid. It exists in pharmaceutical grade as a white, odorless and fine powder that is very slightly soluble in water. Calcium … Calcium Sulfate

Fumaric Acid

Products Fumaric acid is used as an excipient in medicinal products. Active ingredients are also derived from it. Structure and properties Fumaric acid (C4H4O4, Mr = 116.1 g/mol) is a dicarboxylic acid. It exists as a white, crystalline and odorless powder or as crystals and is sparingly soluble in water. The pharmacopoeia defines it in … Fumaric Acid

Benzyl Alcohol

Products Pure benzyl alcohol is available in pharmacies and drugstores. Structure and properties Benzyl alcohol (C7H8O, Mr = 108.1 g/mol) is a primary aromatic alcohol. It exists as a clear, colorless, oily liquid with an aromatic odor that is soluble in water. The melting point is -15.2 °C, and the boiling point is 205 °C. … Benzyl Alcohol

Potassium Hydroxide

Products Potassium hydroxide is available as a pure substance and in the form of solutions in pharmacies and drugstores. It is also found in medical devices and has similar properties to sodium hydroxide (NaOH). Structure and properties Pure potassium hydroxide (KOH, Mr = 56.11 g/mol) exists as a white, hard, odorless, crystalline mass in the … Potassium Hydroxide

Nitrogen

Products Nitrogen is commercially available as a compressed gas in pressurized cylinders and as a liquid in cryogenic containers, among other products. Structure and properties Nitrogen (N, atomic mass: 14.0 u) is a colorless and odorless gas that is present in over 78% of air. It is a chemical element with atomic number 7 and … Nitrogen