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Chemical Identification
Common Name
Diatomaceous earth
CAS
diatomite
CAS No.
61790-53-2
Molecular Formula
O2Si (major component)
Molecular Structure
Physical Properties
Approx. 90% silica. Oil absorption, 135-185%; screen analysis, 325 mesh; bulk density, 8-15 lb./cu. ft.; pH7. Compatible, stable with toxicants. Free-flowing for good grindability. Inert, with some solubility in strong acids or alkalis.
Toxicology
Nontoxic
Environmental Profile
WATER SOLUBILITY: Negligible
Transport Information
Hazard Class:O (Obsolete as pesticide, not classified)

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