AHCES Blog

  What is Caffeine? Caffeine is a naturally occurring organic compound found in many plants, notably the seeds of the Coffea genus and leaves of Camellia sinensis . Caffeine has a stimulant effect on the central nervous system when consumed and is the most commonly consumed stimulant globally. Caffeine has the CAS Number 58-08-2. Notable Properties of Caffeine Pure caffeine is a solid at room temperature, with white needle-like crystals. Caffeine is soluble in water, as well as ethanol and acetone. What Makes Caffeine Hazardous? Caffeine can be toxic in high doses. This risk is increased when working with larger quantities of pure or highly concentrated caffeine. An oral dose of 18-50 grams has been recorded as lethal to adult humans. For children and animals, the lethal dose can be lower. Symptoms of caffeine overdose can include but are not limited to convulsions, changes in heartrate, excitement, delirium, muscle tremors, and quickened breathing. When solid, c...

  What is Ferric Chloride? Ferric Chloride, also known as iron(III) chloride, is an inorganic compound. It can be readily found in anhydrous (dry) and hydrous (wet) forms, as well as an aqueous solution. Ferric chloride has many uses, including as an agent in water purification and sewage treatment, an etching agent for the production of circuit boards, and as a reagent for other chemical manufacturing. Ferric chloride has the CAS Number 7705-08-0. Notable Properties of Ferric Chloride In solid, crystalline form, anhydrous ferric chloride is brown-black in color and the most common hexahydrate form is orange to yellow in color. In aqueous solution, ferric chloride is brown. What Makes Ferric Chloride Hazardous? Ferric chloride in all forms is acidic. This makes ferric chloride corrosive and an irritant, capable of causing serious irritation and potential burns to the skin and eyes. Breathing in ferric chloride dust or vapors can cause irritation to the respiratory s...