Properties and Uses of Trans-Cinnamic Acid CAS NO. 140-10-3 Cinnamic acid(CAS NO. 140-10-3) is a white crystalline compound with the formula C6H5CH=CHCOOH that is slightly soluble in water, and freely soluble in many organic solvents. Cis- Cinnamic Acid & Trans-Cinnamic Acid Cinnamic acid exists as trans and cis isomers, but the trans form is the one most often found in nature and is the article of commerce. It is obtained from cinnamon bark and balsam resins. It is synthesized by the Perkin reaction between Ac2O and PhCHO. Trans-Cinnamic acid Properties CAS NO.: 140-10-3 Melting point: 133 °C Boiling point: 300 °C Density: 1.248 Refractive index: 1.5049 Flash point: >230 °F Storage temp.: Store at RT. Solubility: 0.4g/l PH:
LANDMARK specializes in flavors & fragrances and aromatic chemicals, whose main products include cinnamic acid, cinnamaldehyde, cinnamic alcohol, methyl cinnamate, ethyl cinnamate.