Safety data for diatomaceous earth
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Risk phrases
Safety phrases
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This information was last updated on July 23, 2008.
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for it. General
Synonyms: infusorial earth, amorphous silica, diatomaceous silica, kieselgur,
various trade names
Molecular formula: SiO2
CAS No: 61790-53-2
EINECS No: 212-293-4
Physical data
Appearance: tan powder
Melting point:
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm-3):
Flash point:
Explosion limits:
Autoignition temperature:
Stability
Stable. Incompatible with strong acids
Toxicology
Harmful if inhaled; may be harmful if ingested
in quantity. Eye, skin and respiratory irritant.
(The meaning of any risk phrases which appear in this section is
given here.)
R20 R40.
Transport information
Non-hazardous for air, sea and road freight.
Personal protection
Safety glasses, adequate ventilation.
(The meaning of any safety phrases which appear in this section
is given here.)
S24 S25 S36 S37 S45.