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EC number: 243-072-0
CAS number: 19438-60-9
Cumulative Mortality [%] in the Test
Nominal test item concentration
Test Duration [hours]
2 – 4
Acute toxicity to fish of 4 -MHHPA has been investigated in
accordance with OECD/EU test methods. A static limit test was conducted
with a single test item concentration of 100 mg/L with and without
adjustment of the pH-value. No mortality occurred over the 96 hour
duration of the test.
Acute toxicity to fish: LC50 = > 100 mg/L; NOEC = 100 mg/L
Acute toxicity to fish of 4-MHHPA
has been investigated in accordance with OECD/EU test methods. A static
limit test was conducted with a single test item concentration of 100
mg/L with and without adjustment of the pH-value. No mortality occurred
over the 96 hour duration of the test. These
findings are supported by a test on the acid degradation product in
which the 48 hour LC50 was determined to be >= 500 mg/L.
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