Cinnamaldehyde  is a kind of organic compounds, aldehyde to yellow viscous liquid, a large number of exists in cinnamon and other plants. Naturally occurring in the nature of cinnamaldehyde are trans structure, the molecule as a connection on a phenyl acrolein, therefore can be considered a derivative acrolein. Cinnamaldehyde color because PI, PI * transition, and the existence of conjugate structure make cinnamaldehyde absorption spectrum into the visible light wave band.

Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals 

and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system 

all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.