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CAS号:
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94-75-7
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英文名称:
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2,4-Dichlorophenoxyacetic acid
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英文同义词:
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For;GAPL;dma4;u46d;moxon;RASA4;DMA-4;CAPRI;DYMEC;KAY-D
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中文名称:
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2,4-二氯苯氧乙酸
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中文同义词:
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4-滴;二四滴;2,4-滴;2,4-D酸;果绿色素厂家;果绿色素用途;果绿色素作用;果绿色素价格;果绿色素报价;食品级果绿色素
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分子式:
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C8H6Cl2O3
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分子量:
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221.04
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- 熔点 :
- 137 °C
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- 沸点 :
- 160 °C (0.4 mmHg)
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- 密度 :
- 1.563
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- 蒸气压:
- 0.4 mm Hg ( 160 °C)
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- 折射率 :
- 1.5000 (estimate)
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- 闪点 :
- 160°C/0.4mm
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- 储存条件 :
- APPROX 4°C
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- 溶解度 :
- Soluble in organic solvents (ethanol, acetone, dioxane)
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- 酸度系数(pKa):
- pK1:2.64 (25°C)
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- 形态:
- crystalline
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- 颜色:
- off-white to tan
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- 酸碱指示剂变色ph值范围:
- Acidic
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- 嗅觉阈值(Odor Threshold):
- 3.13 ppm
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- 水溶解性 :
- Slightly soluble. Decomposes. 0.0890 g/100 mL
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- Merck :
- 14,2796
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- BRN :
- 1214242
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- Henry's Law Constant:
- 6.72 and 0.84 x 10-5 atm?m3/mol were reported at pH values of 1 and 7, respectively (wetted-wall column, Rice et al., 1997a)
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- 暴露限值:
- NIOSH REL: TWA 10 mg/m3, IDLH 100 mg/m3; OSHA PEL: TWA 10 mg/m3; ACGIH TLV: TWA 10 mg/m3.
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- 稳定性:
- Stable, but moisture-sensitive and may be light-sensitive. Incompatible with strong oxidizing agents, corrodes many metals. Decomposes in water.
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- CAS 数据库:
- 94-75-7(CAS DataBase Reference)
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- NIST化学物质信息:
- (2,4-Dichlorophenoxy)acetic acid(94-75-7)
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- (IARC)致癌物分类:
- 2B (Vol. 113) 2018
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- EPA化学物质信息:
- 2,4-D (94-75-7)
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危险类别码 : |
22-37-41-43-52/53-39/23/24/25-23/24/25-36/37/38-11-36-20/21/22-67-66 |
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安全说明 : |
24/25-26-36/37/39-46-61-2-45-36/37-27-16-7-9 |
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毒害物质数据: |
94-75-7(Hazardous Substances Data) |
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毒性: |
LD50 (oral): rat [free] 375 mg/kg, [-Na] 666-805 mg/kg. |
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