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EC number: 215-710-8
CAS number: 1344-95-2
Calcium silicate showed a weak inhibitory effect on algal growth with EL10 values < 100 mg/L, and with EL50 >>100 mg/L.
extracts obtained from a calcium silicate produced weak inhibition of
algal growth: EL10 = 33 and 41 mg/L for biomass production and growth
rate, respectively, corresponding EL50 values ranged from 410 to >1000
mg/L. On the other hand, a structure-analogous sodium aluminum silicate
did not show any toxicity: EL50 > 10,000 mg/L, NOELR = 10,000 mg/L (data
No significant toxicity towards algae - including the
marine environment - is expected from exposure to synthetic amorphous
calcium silicate (CS).
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