5-methylisoxazole-3-carbaldehyde

5-methylisoxazole-3-carbaldehyde - Names and Identifiers

Name	5-Methylisoxazole-3-carboxaldehyde
Synonyms	5-METHYL-3-ISOXAZOLECARBALDEHYDE 5-Methylisoxazole-3-carbaldehyde 5-methylisoxazole-3-carbaldehyde 5-Methylisoxazole-3-carboxaldehyde 5-METHYLISOXAZOLE-3-CARBOXALDEHYDE 3-Isoxazolecarboxaldehyde,5-Methyl- 5-Methyl-1,2-oxazole-3-carbaldehyde 5-Methyl-1,2-oxazole-3-carboxaldehyde, 3-Formyl-5-methylisoxazole
CAS	62254-74-4
InChI	InChI=1/C5H5NO2/c1-4-2-5(3-7)6-8-4/h2-3H,1H3

5-methylisoxazole-3-carbaldehyde - Physico-chemical Properties

Molecular Formula	C5H5NO2
Molar Mass	111.1
Density	1.189±0.06 g/cm3(Predicted)
Melting Point	30-34°C(lit.)
Boling Point	53-57/8mm
Flash Point	134°F
Vapor Presure	0.099mmHg at 25°C
pKa	-4.90±0.50(Predicted)
Storage Condition	-20℃
Refractive Index	1.516

5-methylisoxazole-3-carbaldehyde - Risk and Safety

Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R11 - Highly Flammable
Safety Description	S16 - Keep away from sources of ignition. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust.
UN IDs	UN 1325 4.1/PG 3
WGK Germany	3
Hazard Class	IRRITANT

5-methylisoxazole-3-carbaldehyde - Introduction

It is an organic compound with the formula C6H5NO2. The following is a detailed description of its nature, use, preparation and safety information:

Nature:
It is a colorless to light yellow crystal or liquid with a special smell. It is stable at room temperature, but may decompose under high temperature or light. It is easily soluble in many organic solvents, such as alcohols, ethers and ketones, and slightly soluble in water.

Use:
It is widely used in the field of organic synthesis. It can be used as an intermediate in organic synthesis for the synthesis of biologically active compounds. In addition, it can also be used to prepare products such as pharmaceuticals, pesticides, fragrances and cosmetics.

Preparation Method: The synthesis method of
is generally obtained by the reaction of the corresponding ketone compound and the oxidizing agent. Specifically, the commonly used preparation method includes the oxidation reaction of isoxazolone to obtain 5-methylisoxazole-3-carboxylic acid, and then the decarboxylation reaction to obtain it.

Safety Information:
in the use of the process should pay attention to safety. It is an organic compound that may cause irritation to the skin, eyes and respiratory tract. Therefore, when operating, wear appropriate personal protective equipment, including gloves, goggles and masks. At the same time, it should be used in a well-ventilated environment and avoid contact with strong oxidants or strong acids. In case of accidental contact or misuse, rinse immediately with plenty of water and seek medical help.

Last Update：2024-04-09 21:11:58