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EC number: 236-675-5
CAS number: 13463-67-7
Toxicity data from standard toxicity tests indicate that micro-and
nanosized TiO2 materials are not toxic to soil organisms including
microbes, plants and invertebrates up to at least 1000 mg/kg dw soil.
Chronic NOEC values are available for the effect of upgraded
ilmenites (UGI, > 80% TiO2) on plants (barley and lettuce), arthropods
(Folsomia candida) and soil microorganisms (nitrification). The NOEC
values for soil arthropods and soil microorganisms were 1000 mg/kg dw
and 10,000 mg/kg dw. An unbounded NOEC of ≥ 100,000 was determined for
Regarding the toxicity of microsized TiO2 particles, chronic data
are available on standard tests with annelids and plants with unbounded
NOEC values of ≥ 1000 mg/kg dw.
For TiO2-NP, chronic data are available from standard tests with
annelids, plants and microbes with unbounded NOEC values ranging from ≥
1000 mg/kg dw to ≥ 100000 mg/kg dw.
Thus, toxicity data from standard toxicity tests indicate that
micro-and nanosized TiO2 materials are not toxic to soil organisms
including microbes, plants and invertebrates up to at least 1000 mg/kg
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