5-methyl-4-isoxazolecarboxylic acid ethyl ester

5-methyl-4-isoxazolecarboxylic acid ethyl ester - Names and Identifiers

Name	Ethyl 5-methylisoxazole-4-carboxylate
Synonyms	5-METHYL-4-ISOXAZOLECARBOXYLATE ETHYL 3-METHYLPYRAZOLE-4-CARBOXYLATE Ethyl 5-methylisoxazole-4-carboxylate Ethyl-5-methylisoxzaole-4 carboxylate ethyl 5-methyl-4-isoxazolecarboxylate ETHYL 5-METHYLISOXAZOLE-4-CARBOXYLATE ethyl 5-methyl-1H-pyrazole-4-carboxylate 5-methyl-4-isoxazolecarboxylic acid ethyl ester 5-Methylisoxazole-4-carboxylic acid ethyl ester 4-Isoxazolecarboxylicacid,5-methyl-,ethylester(6CI,9CI)
CAS	51135-73-0
EINECS	625-158-3
InChI	InChI=1/C7H9NO3/c1-3-10-7(9)6-4-8-11-5(6)2/h4H,3H2,1-2H3

5-methyl-4-isoxazolecarboxylic acid ethyl ester - Physico-chemical Properties

Molecular Formula	C7H9NO3
Molar Mass	155.15
Density	1.118g/mLat 25°C
Melting Point	49-52°C
Boling Point	95-97°C 15mm
Flash Point	95-97°C/15mm
Solubility	Chloroform, Methanol
Vapor Presure	0.0703mmHg at 25°C
Appearance	Solid
Color	Yellow
BRN	122097
pKa	-3.53±0.50(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.4597
MDL	MFCD01631119

5-methyl-4-isoxazolecarboxylic acid ethyl ester - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S24/25 - Avoid contact with skin and eyes. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
HS Code	29349990

5-methyl-4-isoxazolecarboxylic acid ethyl ester - Introduction

Ethyl is an organic compound with the chemical formula C8H9NO3. It is a compound that has a light yellow liquid or solid form. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: light yellow liquid or solid
-Molecular weight: 167.16g/mol
-Melting point: no clear data
-Boiling Point: No clear data
-Density: No clear data
-Solubility: Soluble in organic solvents

Use:
- Ethyl can be used as an important intermediate in organic synthesis. It can be used in drug synthesis, pesticide synthesis, dye synthesis and other fields.
-This compound can be used to synthesize various target compounds with different structures.

Preparation Method:
- Ethyl's preparation methods are more diverse, and a common method is obtained by reacting isoxazole-4-carboxylic acid with ethanol. Specific reaction conditions and steps can be adjusted according to actual needs.

Safety Information:
- Ethyl will not cause obvious danger under normal conditions. However, as a chemical in laboratory and industrial environments, it is still necessary to comply with relevant safety practices.
-When using, please wear appropriate personal protective equipment, such as protective glasses and gloves.
-Avoid contact with skin and inhalation of vapors of the substance.
-When using or handling the compound, follow the appropriate safety procedures.

Last Update：2024-04-09 02:00:46