Benzo[b]furan-5-carboxylic acid

Benzo[b]furan-5-carboxylic acid - Names and Identifiers

Name	1-benzofuran-5-carboxylic acid
Synonyms	RARECHEM AL BE 1369 5-Benzofurancarboxylic acid Benzofuran-5-carboxylic acid 1-BENZOFURAN-5-CARBOXYLIC ACID 1-benzofuran-5-carboxylic acid 1-benzofunan-5-carboxylic acid Benzo[b]furan-5-carboxylic acid 3a,7a-dihydrobenzofuran-5-carboxylic acid 1-Benzofuran-5-carboxylic acid, 5-Carboxybenzo[b]furan
CAS	90721-27-0
InChI	InChI=1/C9H6O3/c10-9(11)7-1-2-8-6(5-7)3-4-12-8/h1-5H,(H,10,11)

Benzo[b]furan-5-carboxylic acid - Physico-chemical Properties

Molecular Formula	C9H6O3
Molar Mass	162.14
Density	1.363±0.06 g/cm3(Predicted)
Melting Point	189-190°C
Boling Point	325.6±15.0 °C(Predicted)
Flash Point	150.7°C
Vapor Presure	9.31E-05mmHg at 25°C
pKa	4.06±0.30(Predicted)
Storage Condition	2-8°C
Refractive Index	1.649

Benzo[b]furan-5-carboxylic acid - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection

Benzo[b]furan-5-carboxylic acid - Introduction

Acid is an organic compound with the chemical formula C9H6O3. The following is a description of its nature, use, formulation and safety information:

Nature:
-Appearance: acid is a colorless crystalline solid.
-Melting point: about 158-162°C.
-Solubility: Good solubility in common organic solvents.

Use:
-This compound can be used as an intermediate for the synthesis of organic fluorescent dyes.
-It is also used in some drug research.
-In addition, it can also be used as an important reagent and catalyst in the field of organic synthesis.

Method:
-must acid can be obtained by the oxidation reaction of symmetrical benzofuran. Commonly used oxidants are nitric acid and benzoyl peroxide.
-Another common preparation method is to react benzofuran dicarboxylic anhydride with hydrochloric acid to generate acid and then oxidize it.

Safety Information:
-the health risk to the human body is low under most common conditions.
-Appropriate protective measures, such as gloves, glasses and protective clothing, should be taken during operation or contact.
-If accidental or skin contact occurs, wash off immediately and seek medical help if necessary.
-This compound should be stored in a sealed container to avoid contact with flammable materials or oxidants.

Last Update：2024-04-09 20:52:54