Types of chemical raw materials
Chemical raw materials can generally be divided into two categories: organic chemical raw materials and inorganic chemical raw materials
Chemical raw materials can generally be divided into two categories: organic chemical raw materials and inorganic chemical raw materials
Organic impurities are compounds composed of carbon and hydrogen, such as alcohols, ketones, aldehydes, fatty acids, hydrocarbons, adenines, pigments, impurities, etc.
particulate matter: including sediment, rust, algae, suspended matter and other visible particulate impurities, particulate matter is the main source of turbidity, chroma, odor.
A practical supplier guide to alpha-arbutin (CAS 84380-01-8): what the white-to-off-white powder is, its spec sheet (C12H16O7, MW 272.25, mp 195-196 C, soluble in water and ethanol, store 2-8 C), why formulators pick it over kojic acid and vitamin C for stable brightening formulas, typical applications, handling notes, and buyer specification advice.