Itaconic acid, also known as methylenesuccinic acid or 2-methylidenebutanedioic acid, is an organic compound with the formula C5H6O4. It is a white crystalline solid or powder with a distinctive odor. It is derived from the fermentation of carbohydrates, such as glucose or starch, by microorganisms.
Tolyltriazole (TTA), also known as methylbenzotriazole or Tolutriazole, is a heterocyclic compound with the formula C7H7N3. It is a colorless to pale yellow crystalline powder with a slight odor. It is widely used as an anti-corrosion agent for metals, such as:Silver: TTA forms a protective film on the surface of silver, preventing it from tarnishing and losing its luster. It is commonly used in the preservation of silverware, jewelry, coins, and other silver objects.
Hexamine is used as a curing agent for resins and plastics, a vulcanization accelerator (accelerator H) for rubbers, a shrinkage inhibitor for textiles, and is used in the manufacture of bactericides, explosives, and the like. When the drug, after the acidic urine decomposition to produce formaldehyde and bactericidal effect, for mild urinary tract infection; External for tinea, antiperspirant, cure axillary osmidrosis. Mixed with caustic soda and sodium phenolate, used in gas masks as phosgene absorbers.
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