methyl 2-oxo-2H-pyran-3-carboxylate - Names and Identifiers
methyl 2-oxo-2H-pyran-3-carboxylate - Physico-chemical Properties
Molecular Formula | C7H6O4
|
Molar Mass | 154.12 |
Density | 1.1993 (rough estimate) |
Melting Point | 75-77 °C (lit.) |
Boling Point | 146-148 °C/0.75 mmHg (lit.) |
Flash Point | 146-148°C/0.75mm |
Vapor Presure | 3.37E-05mmHg at 25°C |
BRN | 1424749 |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.4300 (estimate) |
MDL | MFCD00075443 |
methyl 2-oxo-2H-pyran-3-carboxylate - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | 22 - Harmful if swallowed
|
Safety Description | S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
|
WGK Germany | 3 |
FLUKA BRAND F CODES | 21 |
methyl 2-oxo-2H-pyran-3-carboxylate - Introduction
methyl, also known as methyl 2-oxopyridine-3-carboxylate, is an organic compound. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: White crystalline solid
-Molecular formula: C7H6O4
-Molecular weight: 154.12g/mol
-Melting point: 61-63 ° C
-Boiling point: 239-240 ° C
Use:
- methyl L is widely used as an intermediate and reagent in organic synthesis.
-It can be used to synthesize various Pyran compounds, and can be used as synthetic drugs, pesticides and spices.
Method:
- methyl L can be obtained by reacting 1,3-dicarbonyl compounds (such as acetone, β-keto acid, etc.) with acetic anhydride or methyl acetate.
-The reaction is usually carried out under alkaline conditions, and commonly used alkali catalysts include tetramethylpyridine.
Safety Information:
- methyl L needs to be less toxic, but still maintain proper laboratory operation and use protective measures.
-Avoid inhalation, skin contact and ingestion during operation.
-When using, pay attention to avoid contact with strong oxidants and strong acids to avoid dangerous reactions.
-Store in a dry, cool place and avoid contact with oxygen and moisture.
Last Update:2024-04-09 02:00:44