英文名称
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2,4,5-Trichlorophenoxyacetic acid
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CAS号
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93-76-5
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分子量
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中文别名
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2,4,5-涕
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英文别名
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2,4,5-Trichlorophenoxyacetic acid
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熔点
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154-158 °C(lit.)
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沸点
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361.82°C (rough estimate)
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密度
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1.6048 (rough estimate)
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蒸气压
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6.46 at 25 °C (Lewis, 1989)
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折射率
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1.4700 (estimate)
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闪点
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2 °C
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溶解度
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Soluble in ethanol (548.2 mg/L), ether (243.2 mg/L), heptane (400 mg/L), xylenes (6.8 g/L),
methanol (496 g/L), toluene (7.32 g/L) (quoted, Keith and Walters, 1992).
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形态
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crystalline
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酸度系数(pKa)
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2.80 and 2.83 at 25 °C (ionic strength <0.01 M, Jafvert et al., 1990)
2.88 (Nelson and Faust, 1969) |
颜色
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off-white to yellow
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水溶解性
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238mg/L(20 ºC)
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Merck
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13,9111
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Henry's Law Constant
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4.87 at 25 °C (approximate - calculated from water solubility and vapor pressure)
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暴露限值
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NIOSH REL: TWA 10 mg/m3, IDLH 250 mg/m3; OSHA PEL: TWA
10 mg/m3; ACGIH TLV: TWA 10 mg/m3.
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NIST化学物质信息
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EPA化学物质信息
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