140-10-3 structure, C9H8O2
trans-cinnamic acid
CAS No.: 140-10-3 Formula: C9H8O2 Molecular Weight: 148.15900
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trans-cinnamic acid

CAS No.:

140-10-3

Formula:

C9H8O2

Molecular Weight: 148.15900
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Description

Cinnamic acid is an organic compound with the formula C6H5CHCHCO2H. It is a white crystalline compound that is slightly soluble in water, and freely soluble in many organic solvents. Classified as an unsaturated carboxylic acid, it occurs naturally in a number of plants. It exists as both a cis and a trans isomer, although the latter is more common.

Basic Info

Chemical Name

trans-cinnamic acid

Synonyms

Cinnamic acid; 2-Propenoic acid, 3-phenyl-, (E)-; trans-3-Phenylacrylic Acid; trans-3-Phenylacrylic acid,Cinnamic acid; Cinnamyl acid; trans-Cinnamic acid; (2E)-3-Phenylacrylic acid; Expand

CAS No.

140-10-3

Molecular Formula

C9H8O2

Molecular Weight

148.15900

PSA

37.30000

LogP

1.78440

Numbering system

MDL number MFCD00004369
PubChem number 24890291
EINECS number 205-398-1
RTECS number GD7850000
BRN number 1905952

Properties

Appearance & Physical State

White to almost white crystalline powder

Density

1.248

Boiling Point

300ºC

Melting Point

131-136ºC

Flash Point

189.5ºC

Refractive Index

1.555 (20ºC)

Water Solubility

0.4 g/L (20 ºC)

Stability

Stable under normal temperatures and pressures.

Storage Condition

Store at RT.

Vapor Pressure

0.005mmHg at 25°C

Safety Info

RTECS

GD7850000

Safety Statements

S26-S37/39

HS Code

29163900

WGK Germany

1

Risk Statements

R36/37/38

Hazard Codes

Xi
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