trans-Cinnamic acid   
Synonyms trans-3-Phenylacrylic acid; trans-3-Phenyl-2-propenoic acid; trans-Cinnamic acid; (2E)-3-phenylprop-2-enoic acid; Cinnamic acid; 3-Phenylacrylic acid; Phenylacrylic acid

Molecular Formula C9H8O2

Molecular Weight 148.16

InChI InChI=1/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/b7-6+

CAS Registry Number 140-10-3;621-82-9

EINECS 205-398-1;210-708-3

Density 1.248

Melting point 131-136℃

Boiling point 300℃

Water solubility 0.4 g/L (20℃)

Hazard Symbols  Xi:Irritant;

Risk Codes R36/37/38:;

Safety Description S26:;S37/39:;

CAS :621-82-9

Appearance: white to light yellow powder

Packing: 25kg/bag

Assay:98%

Usage: food additive, flavor and fragrance, pharmaceutical material and intermediate