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hexachlorobenzene
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Hexachlorobenzene, or perchlorobenzene, is an organochloride with the molecular formula C6Cl6. It is a fungicide formerly used as a seed treatment, especially on wheat to control the fungal disease bunt. It has been banned globally under the Stockholm Convention on persistent organic pollutants.〔(Stockholm Convention on Persistent Organic Pollutants website )〕
==Physical and chemical properties==
HCB is a white crystalline solid that has negligible solubility in water (0.00000002 M) and variable solubility in different organic solvents. It is most soluble in halogenated solvents like chloroform (approx 0.03 M) less soluble in esters and hydrocarbons (approx 0.020 M), and even less soluble in short chain alcohols (0.002-0.006 M). Its vapour pressure is 1.09×10−5 mmHg (1.45 mPa) at 20 °C. Its flash point is 242 °C and it sublimes at 322 °C.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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