68855-54-9 Amorphous silica: Flux-calcined diatomaceous earth CCRIS 3662 DIATOMACEOUS EARTH Diatomaceous silica, flux-calcined Diatomite EINECS 272-489-0 Flux-calcined diatomaceous earth Kieselguhr, soda ash flux-calcined Silica amorphous diatomaceous earth (uncalcined) Silica, amorphous, diatomaceous earth