20% of the LC50 of acute toxicity of inhalation of vapors
Japanese translation: 蒸気吸入急性毒性試験でのLC50の20％
| 10:33 Jan 11, 2009 |
| English to Japanese translations [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng / MSDS | |||||||
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|  Selected response from: Kara ph.D. United States Local time: 23:21 | ||||||
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| 4 +1 | 蒸気吸入急性毒性試験でのLC50の20％ |
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| LC50 (Lethal Concentration 50): |
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Answers
19 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1| 20% of the ｌｃ50 of acute toxicity of inhalation of vapors 蒸気吸入急性毒性試験でのLC50の20％ Explanation: 20 °C での（製品の）飽和蒸気濃度が、吸入急性毒性試験によるLC50の20％だったということです。 |
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Reference comments
54 mins |
| Reference: LC50 (Lethal Concentration 50): Reference information: LC50 for acute toxicity on inhalation means that concentration of vapor, mist, or dust which, administered by continuous inhalation for one hour to both male and female young adult albino rats, causes death within 14 days in half of the animals tested. If the material is administered to the animals as a dust or mist, more than 90 percent of the particles available for inhalation in the test must have a diameter of 10 microns or less if it is reasonably foreseeable that such concentrations could be encountered by a human during transport. The result is expressed in mg/L of air for dusts and mists or in mL/m³ of air (parts per million) for vapors. See 49CFR 173.133(b) for LC50 determination for mixtures and for limit tests. http://environmentalchemistry.com/yogi/hazmat/placards/class... |
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