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EC number: 200-814-8
CAS number: 74-84-0
The estimated LC50 for toxicity to fish was calculated to range from 24.11 to 147.54 mg/L in fresh water.
experimental data were available on the short-term toxic effects of
category members on fish. Due to the difficulty associated with aquatic
toxicity testing with gases, QSAR calculations are considered suitable
to estimate the effect concentration. ECOSAR Program v1.00 in EPI Suite
v4.00 was used, which is acceptable with restrictions. The ECOSAR
model is a reliable and appropriate QSAR model to apply to these substances
as it is based on a related chemical dataset that calculates the
toxicity of neutral organic hydrocarbons whose mode of action is
calculations were conducted for substances which are representative of
the carbon numbers of the members of the category (methane, ethane,
propane, butane and isobutane). The 96 hour LC50 for fish is estimated
to range from 24.11 to 147.54 mg/L in fresh water, which is above the
water solubility for these substances.
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