Chemical Properties
Diatomaceous earth is a transparent to gray,
odorless amorphous powder.
Potential Exposure
Diatomaceous earth is used as
a filtering agent and as a filler in construction materials,
pesticides, paints, and varnishes. The calcined version
(which has been heat treated) is the most dangerous and
contains crystallized silica, and should be handled as silica.
See also other entries on silica
First aid
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical has been
inhaled, remove from exposure, begin rescue breathing
(using universal precautions, including resuscitation mask)
if breathing has stopped and CPR if heart action has
stopped. Transfer promptly to a medical facility.
Shipping
This material is not singled out by DOT
in its
Performance-Oriented Packaging Standards.
Incompatibilities
High temperatures causes the formation
of crystalline silica. Incompatible with fluorine, oxygen
difluoride, chlorine difluoride.
