Determination of Acute Reference Exposure Levels for Airborne Toxicants March 1999 ACUTE TOXICITY SUMMARY PERCHLOROETHYLENE
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Description colorless liquid Molecular formula C2Cl4 Molecular weight 165.83 Density 1.6227 g/cm @ 20°C Boiling point 121°C Melting point -19°C Vapor pressure 18.47 mm Hg @ 25°C Flashpoint unknown Explosive limits unknown Solubility soluble in alcohol, ether, chloroform, benzene and hexane; practically insoluble in water Odor threshold 47 ppm (geometric mean) (AIHA, 1989) Odor description colorless, mildly sweet, chloroform-like odor Metabolites trichloroacetic acid, trichloroethanol (ATSDR, 1992) Conversion factor 1 ppm = 6.78 mg/m3 @ 25°C
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Determination of Acute Reference Exposure Levels for Airborne Toxicants March 1999 ACUTE TOXICITY SUMMARY PERCHLOROETHYLENE
Description colorless liquid Molecular formula C2Cl4 Molecular weight 165.83 Density 1.6227 g/cm @ 20°C Boiling point 121°C Melting point -19°C Vapor pressure 18.47 mm Hg @ 25°C Flashpoint unknown Explosive limits unknown Solubility soluble in alcohol, ether, chloroform, benzene and hexane; practically insoluble in water Odor threshold 47 ppm (geometric mean) (AIHA, 1989) Odor description color...
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Description colorless gas Molecular formula CH2O Molecular weight 30.03 Density 0.815 g/L @ -20°C Boiling point -19.5°C Melting point -92°C Vapor pressure 3883 mm Hg @ 25°C (Howard, 1989) Flashpoint 300° C or 573°F Explosive limits upper = 73% lower = 7% Solubility soluble in water, alcohol, ether, other polar solvents Odor threshold 0.05-0.5 ppm Odor description very pungent odor; straw-like M...
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Description colorless or yellow liquid Molecular formula HNO3 Molecular weight 63.02 Density 1.50269 g/cm @ 25°C Boiling point 83° C with decomposition Melting point -41.59°C Vapor pressure 62 mm Hg @ 25°C Flashpoint not applicable Explosive limits not applicable Solubility miscible in water Odor threshold 0.27 ppm (AIHA, 1989) Odor description choking odor Metabolites oxides of nitrogen, parti...
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