Products Sulfites are added to pharmaceuticals, foods and personal care products as excipients and additives. They can also be naturally present in foods. Even the Romans used sulfur dioxide as a preservative for wine. Structure and properties Sulfites are the salts of sulfurous acid, which is extremely unstable and undetectable in water (H2SO3). Example sodium … Sulfites
Products Preservatives can be found in liquid, semi-solid and solid pharmaceuticals. They are also used for food and cosmetics. Structure and properties Preservatives belong to various chemical groups. These include, for example: Acids and their salts Benzoic acid derivatives, 4-hydroxybenzoic acid derivatives. Quaternary ammonium compounds Alcohols Phenols Preservatives can be of natural and synthetic origin. … Preservative
Products Sodium metabisulfite is used as an excipient in pharmaceuticals, especially in epinephrine injection solutions. Structure and properties Sodium metabisulfite (Na2S2O5, Mr = 190.1 g/mol) exists as a white crystalline powder or as colorless crystals and is readily soluble in water. It is the disodium salt of the dysulfurous acid. Fields of application As an … Sodium Metabisulfite
Products Sodium sulfite is used as an excipient in pharmaceuticals. It is also used for food and cosmetics. Structure and properties Pharmacopoeially monographed sodium sulfite heptahydrate (Na2SO3 – 7 H2O, Mr = 252.2 g/mol) exists as colorless crystals and is readily soluble in water. It can be prepared with, for example, sulfur dioxide and sodium … Sodium Sulfite
Products In pharmaceuticals, the salts of sulfurous acid, sulfites, are important. They are contained in medicines as preservatives and antioxidants. Sulfurous acid should not be confused with sulfuric acid. Structure and properties The sulfurous acid (H2SO3, Mr = 82.1 g/mol) is formed in the reaction of sulfur dioxide (SO2) with water. However, it is extremely … Sulfurous Acid
Symptoms After eating the triggering food, digestive disturbances usually develop within hours. These include: Flatulence, bloating Abdominal pain, abdominal cramps Diarrhea Stomach burns Depending on the trigger, pseudoallergic reactions such as a hives, rhinitis and respiratory disorders may also occur. According to the literature, up to 20% of the population is affected. The disorders typically … Food Intolerance
Products Sulfur dioxide is commercially available as a liquefied gas in compressed gas cylinders. Structure and properties Sulfur dioxide (SO2, 64.1 g/mol) exists as a colorless gas with a characteristic pungent and irritating sulfur odor that is soluble in water. The boiling point is -10°C. Sulfur dioxide is not combustible and is heavier than air. … Sulfur Dioxide
