4-Methyl-1,2-oxazole-5-carboxylic acid

4-Methyl-1,2-oxazole-5-carboxylic acid - Names and Identifiers

Name	4-Methylisoxazole-5-carboxylic acid
Synonyms	5-Carboxy-4-methylisoxazole 4-Methyl-5-isoxazolecarboxylic acid 4-Methylisoxazole-5-carboxylic acid 5-Isoxazolecarboxylic acid, 4-methyl- 4-methyl-1,2-oxazole-5-carboxylic acid 4-Methyl-1,2-oxazole-5-carboxylic acid 5-Carboxy-4-methylisoxazole, 4-Methyl-1,2-oxazole-5-carboxylic acid
CAS	261350-46-3
InChI	InChI=1/C5H5NO3/c1-3-2-6-9-4(3)5(7)8/h2H,1H3,(H,7,8)

4-Methyl-1,2-oxazole-5-carboxylic acid - Physico-chemical Properties

Molecular Formula	C5H5NO3
Molar Mass	127.1
Density	1.348
Boling Point	310 ºC
Flash Point	141 ºC
Vapor Presure	0mmHg at 25°C
pKa	1.72±0.37(Predicted)
Storage Condition	2-8°C(protect from light)
Refractive Index	1.514

4-Methyl-1,2-oxazole-5-carboxylic acid - Introduction

acid is an organic compound with the chemical formula C6H5NO3. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: acid is a colorless crystalline solid.
-Solubility: It is slightly soluble in water and soluble in organic solvents such as alcohols and dichloromethane.
-Melting point: Its melting point is about 139-141°C.

Use:
-or acid can be used as a synthetic intermediate in organic synthesis reactions.
-It can also be used to prepare other organic compounds, such as drugs, pesticides and dyes.

Method:
-The common preparation method of acid is obtained by the acid-catalyzed reaction of acetyl formate and Lombardic ammonia (Lombardic acid).

Safety Information: Under regular laboratory conditions, acid is generally considered to have no obvious harm to human health.
-When operating, you should abide by the safe operation specifications of the chemical laboratory, wear appropriate protective gloves and glasses, and ensure that you operate in a well-ventilated environment.
-swallowing or inhaling large amounts of the acid may cause harm to the body, such as causing symptoms such as digestive system discomfort or difficulty breathing. If it comes into contact with skin, rinse immediately with plenty of water. If necessary, seek medical attention promptly.

Last Update：2024-04-09 02:00:44