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CAS : 90-02-8 formula : C7H6O2 molecular weight : 122.12 boiling point : melting point of 197 ° C : -7 -- 2 ° C Chinese name : salicylaldehyde; 2-hydroxybenzaldehyde; O HYDROXYBENZALDEHYDE
English title : Salicylal; 2-hydroxy-Benzaldehyde; salicylaldehyde; 2-formylphenol
nature Description : pink to pale yellow, oily liquid clarification, bitter almond odor, and industrial products for light yellow to pink. -7 ° C melting point, boiling point, 196-197 ° C, 76 ° C flashpoint. The relative density of 1.167 (20 / 4 ° C), the refractive index 1.5735. Soluble ethanol; Ethyl ether and benzene-insoluble in water.
production methods : by phenol and chloroform in response to sodium hydroxide solution derived. Improved method is used o-cresol as raw materials, optical gasification; Chlorination after hydrolysis, that is, salicylaldehyde.
purposes : the goods for spices and other organic synthesis of intermediates. China GB 2760-86 provides for the use of food flavors, mainly used for the preparation of cinnamon and nuts flavors.
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