Kaolin (CED0002556)

Kaolin is an inorganic compound with the formula Al2H4O9Si2 and an average molecular weight of 258.16 g/mol. Kaolin belongs to the post-transition metal silicates, a subclass of post-transition metal oxoanionic compounds within the inorganic compounds. It is utilized across various plastics, including Polyvinyl Chloride, Polyethylene Terephthalate, Polyurethane, Polyamide, High-Density Polyethylene, and Low-Density Polyethylene. In industrial applications, kaolin serves a wide array of roles as a filler, abrasive, surface modifier, absorbent, viscosity modifier, dye, opacifer, pharmaceutical, anti-caking agent, binder, pigment, thickening agent, plasticizer, and defoamer. It is also used as a film former, conductive agent, and as a sealant barrier, as well as for processing aids not otherwise specified. The compound is found in or released from 29 recorded sources. Within the category of electrical and electronic equipment, it is present in amplifiers, antennas, adjustable resistors, gas filled discharge tubes with solid cathode, and cores yokes or armatures, among others. In building and construction, it is found in ceilings, floors, roofs, fencing, and stairs and ramps, among other sources. Household items such as coins, credit card holders, and key rings contain kaolin, while household cleaning and consumer products include soap dispensers, ash trays, and tobacco pipes. Additionally, it is used in healthcare, pharmaceuticals, and veterinary products as intestinal adsorbents, and in food processing for the treatment of molasses and molasses itself. Recorded exposure routes for kaolin include topical and oral administration.