2,4,5-三氯苯氧乙酸

2,4,5-三氯苯氧乙酸化学性质

熔点 :154-158 °C(lit.)
沸点 :361.82°C (rough estimate)
密度 :1.6048 (rough estimate)
蒸气压 :6.46 at 25 °C (Lewis, 1989)
折射率 :1.4700 (estimate)
闪点 :2 °C
储存条件 :0-6°C
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).
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)
形态 :crystalline
颜色 :off-white to yellow
水溶解性 :238mg/L(20 ºC)
Merck :13,9111
Henry's Law Constant :4.87 at 25 °C (approximate - calculated from water solubility and vapor pressure)
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.
稳定性 :Stable. Incompatible with strong bases, strong oxidizing agents, alkali metals, amines, alcohols. Reacts with many common metals.
CAS 数据库 :93-76-5(CAS DataBase Reference)
NIST化学物质信息 :Acetic acid, 2,4,5-trichlorophenoxy-(93-76-5)
EPA化学物质信息 :2,4,5-T (93-76-5)

安全信息

危险品标志 :Xn,N,F
危险类别码 :22-36/37/38-50/53-36-20/21/22-11
安全说明 :24-60-61-36/37-26-16
危险品运输编号 :UN 2811 6.1/PG 3
职业暴露等级 :B
职业暴露限值 :TWA: 10 mg/m3
WGK Germany :3
RTECS号 :AJ8400000
危险等级 :6.1(b)
包装类别 :III
海关编码 :29189100
毒害物质数据 :93-76-5(Hazardous Substances Data)
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).
立即威胁生命和健康浓度 :250 mg/m3

2,4,5-三氯苯氧乙酸 MSDS

2,4,5-Trichlorophenoxyacetic acid
2,4,5-涕

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