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CAS号:
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93-76-5
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英文名称:
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2,4,5-Trichlorophenoxyacetic acid
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英文同义词:
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VEON;Forron;Fortex;Reddon;Reddox;Tippon;2,4,5-T;WEEDONE;Phortox;Trioxon
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中文名称:
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2,4,5-三氯苯氧乙酸
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中文同义词:
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5-涕;2，4，5-涕;2,4,5-滴;2,4,5-涕酸;2,4,5-T 溶液;2,4,5-涕酸标准溶液;2，4，5-三氯苯氧乙酸;2,4,5-三氯苯氧基乙酸;2,4,5-三氯苯氧基醋酸;甲醇中2,4,5-三氯苯氧乙酸
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分子式:
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C8H5Cl3O3
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分子量:
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255.48
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- 熔点 :
- 154-158 °C(lit.)
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- 沸点 :
- 361.82°C (rough estimate)
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- 密度 :
- 1.6048 (rough estimate)
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- 蒸气压:
- 6.46 at 25 °C (Lewis, 1989)
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- 折射率 :
- 1.4700 (estimate)
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- 闪点 :
- 2 °C
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- 储存条件 :
- 0-6°C
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- 溶解度 :
- 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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- 酸度系数(pKa):
- 2.80 and 2.83 at 25 °C (ionic strength <0.01 M, Jafvert et al., 1990) 2.88 (Nelson and Faust, 1969)
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- 形态:
- crystalline
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- 颜色:
- off-white to yellow
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- 水溶解性 :
- 238mg/L(20 ºC)
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- Merck :
- 13,9111
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- Henry's Law Constant:
- 4.87 at 25 °C (approximate - calculated from water solubility and vapor pressure)
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- 暴露限值:
- 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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- 稳定性:
- Stable. Incompatible with strong bases, strong oxidizing agents, alkali metals, amines, alcohols. Reacts with many common metals.
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- CAS 数据库:
- 93-76-5(CAS DataBase Reference)
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- NIST化学物质信息:
- Acetic acid, 2,4,5-trichlorophenoxy-(93-76-5)
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- EPA化学物质信息:
- 2,4,5-T (93-76-5)
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| 危险类别码 : |
22-36/37/38-50/53-36-20/21/22-11 |
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| 安全说明 : |
24-60-61-36/37-26-16 |
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| 危险品运输编号 : |
UN 2811 6.1/PG 3 |
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| 毒害物质数据: |
93-76-5(Hazardous Substances Data) |
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| 毒性: |
LC50 (96-hour) for rainbow trout 350 mg/L and carp 355 mg/L (Hartley and Kidd, 1987); acute oral LD50 for rats 500 mg/kg (Hartley and Kidd, 1987), 300 mg/kg (RTECS, 1985). |
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