求翻译：理化性质：相对密度d4201.202；沸点71.5℃-72℃（7mmHg）；折射率nD251.4715；不溶于水，易溶于脂肪族、芳香族等多数有机溶剂。无色或微翻译公司油状液体。是什么意思？

Physical and chemical properties: relative density d4201.202; boiling point 71.5 ℃ -72 ℃ (7mmHg); refractive index nD251.4715; insoluble in water, soluble in aliphatic, aromatic, etc. Most organic solvents. Translation colorless or slightly oily liquid.

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Physics and chemistry nature: Relative density d4201.202; Boiling point 71.5℃-72℃(7mmHg); Refractive index nD251.4715; Does not dissolve in the water, easy to dissolve in the fatty group, the aromatic and so on the most organic solvents.Colorless or micro translation company oily liquid.

Physical and chemical properties: relative density d4201.202; 71.5 ° c boiling point-72 (7mmHg); refractive nD251.4715; is not soluble in water, soluble in aliphatic, aromatic and other most organic solvents. Colorless oily liquid or micro-translation company.

Physical and chemical properties: relative density d4201.202; 71.5 ° c boiling point-72 (7mmHg); refractive nD251.4715; is not soluble in water, soluble in aliphatic, aromatic and other most organic solvents. Colorless oily liquid or micro-translation company.