TRANS-O-COUMARIC ACID

TRANS-O-COUMARIC ACID - Names and Identifiers

Name	2-hydroxycinnamic acid
Synonyms	COUMARIC ACID,2- TRANS-O-CUMARIC ACID TRANS-O-COUMARIC ACID TRANS-2-COUMARIC ACID 2-hydroxycinnamic acid TRANS-O-HYDROXYCINNAMIC ACID 3-(2-hydroxyphenyl)prop-2-enoic acid 3-(2-hydroxyphenyl)-2-Propenoic acid 2-Propenoic acid, 3-(2-hydroxyphenyl)- (2E)-3-(2-hydroxyphenyl)prop-2-enoic acid
CAS	583-17-5
EINECS	209-500-5
InChI	InChI=1/C9H8O3/c10-8-4-2-1-3-7(8)5-6-9(11)12/h1-6,10H,(H,11,12)/b6-5+

TRANS-O-COUMARIC ACID - Physico-chemical Properties

Molecular Formula	C9H8O3
Molar Mass	164.16
Density	1.329±0.06 g/cm3 (20 ºC 760 Torr)
Melting Point	217°C (dec.)(lit.)
Boling Point	348.0±17.0 °C(Predicted)
Flash Point	178.5°C
Vapor Presure	1.94E-05mmHg at 25°C
pKa	4.51±0.10(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.66

TRANS-O-COUMARIC ACID - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
UN IDs	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	GD9090000

TRANS-O-COUMARIC ACID - Introduction

2-hydroxycinnamic acid is an organic compound with the chemical formula C9H8O3 and a molecular weight of 164.16g/mol. It is a white crystalline solid at room temperature and has a fragrant aroma.

2-hydroxycinnamic acid has many important properties and uses. First, it is a compound that occurs naturally in plants, such as cinnamon, cloves, etc. It has antioxidant, anti-inflammatory and antibacterial effects, and is widely used in health products, drugs and cosmetics. It has a reminder effect, can enhance the brain's memory and cognitive ability, so it can be used for brain function health care products. In addition, 2-hydroxycinnamic acid can also be used as a food additive to increase the flavor of food and prevent food spoilage.

there are many methods for preparing 2-hydroxycinnamic acid. the more commonly used method is to obtain nitrocinnamic acid through the reaction of cinnamaldehyde and silver nitrate, and then reduce it to obtain 2-hydroxycinnamic acid. In addition, it can also be obtained by base catalysis from 2-hydroxyacetylmyristic acid.

Regarding safety information, 2-hydroxycinnamic acid is a relatively safe compound. It is low toxicity, no obvious toxicity to the human body, and can be metabolized in the body. However, care should be taken to avoid inhalation or contact with sensitive parts such as eyes during use. It is best to conduct a safety assessment before use and handle in accordance with correct handling and storage methods.

Last Update：2024-04-09 21:32:42