gamma-pyrone
gamma-pyrone
CAS: 108-97-4
Molecular Formula: C5H4O2
gamma-pyrone - Names and Identifiers
| Name | gamma-pyrone |
| Synonyms | 4-Pyrone Pyrocoman Pyran-4-one PYRAN-4-ONE gamma-pyrone GAMMA-PYRONE 4H-PYRAN-4-ONE 4H-Pyran-4-one 4H-Pyran, 4-oxo- GAMMA-PYRONE, 4-PYRONE |
| CAS | 108-97-4 |
| EINECS | 203-634-8 |
| InChI | InChI=1/C5H4O2/c6-5-1-3-7-4-2-5/h1-4H |
| InChIKey | CVQUWLDCFXOXEN-UHFFFAOYSA-N |
gamma-pyrone - Physico-chemical Properties
| Molecular Formula | C5H4O2 |
| Molar Mass | 96.08 |
| Density | 1.20 |
| Melting Point | 32-34°C(lit.) |
| Boling Point | 210-215°C(lit.) |
| Flash Point | 214°F |
| Vapor Presure | 0.173mmHg at 25°C |
| Appearance | clear liquid |
| Color | Light yellow to Brown |
| BRN | 105293 |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5238 |
| MDL | MFCD00006576 |
gamma-pyrone - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-8-10 |
gamma-pyrone - Introduction
Pyran-4-one, also known as 4-pyrone, is an organic compound. Its chemical formula is C4H4O and its molecular weight is 84.08g/mol. The following is a description of the properties, uses, preparation and safety information of pyran-4-one:
Nature:
-Pyran-4-one is a colorless liquid with a special aromatic taste.
-Its melting point is -4.7 ℃, and its boiling point is 137-138 ℃.
-At room temperature, it can be dissolved in water and most organic solvents.
Use:
-Pyran-4-one is often used as an important intermediate in organic synthesis. It can be used to synthesize various organic compounds, such as hormones, drugs, dyes, etc.
-It can also be used as a solvent, diluent and reagent.
Preparation Method:
-Pyran-4-one can be prepared by the oxidation of pyran. Commonly used oxidants are oxygen, nitric acid and hydrogen peroxide.
Safety Information:
-Pyran-4-one may have certain toxicity under certain conditions, and the specific harm depends on the contact method and dose.
-When using pyran-4-one, wear appropriate protective gloves and glasses, and ensure good ventilation.
-Avoid swallowing, inhaling or direct contact with skin.
-in the use or storage of pyran-4-ketone, need to pay attention to avoid contact with oxidants, strong acids or strong bases and other substances, in order to prevent the occurrence of dangerous reactions.
-If accidental contact or ingestion occurs, seek medical attention immediately.
Nature:
-Pyran-4-one is a colorless liquid with a special aromatic taste.
-Its melting point is -4.7 ℃, and its boiling point is 137-138 ℃.
-At room temperature, it can be dissolved in water and most organic solvents.
Use:
-Pyran-4-one is often used as an important intermediate in organic synthesis. It can be used to synthesize various organic compounds, such as hormones, drugs, dyes, etc.
-It can also be used as a solvent, diluent and reagent.
Preparation Method:
-Pyran-4-one can be prepared by the oxidation of pyran. Commonly used oxidants are oxygen, nitric acid and hydrogen peroxide.
Safety Information:
-Pyran-4-one may have certain toxicity under certain conditions, and the specific harm depends on the contact method and dose.
-When using pyran-4-one, wear appropriate protective gloves and glasses, and ensure good ventilation.
-Avoid swallowing, inhaling or direct contact with skin.
-in the use or storage of pyran-4-ketone, need to pay attention to avoid contact with oxidants, strong acids or strong bases and other substances, in order to prevent the occurrence of dangerous reactions.
-If accidental contact or ingestion occurs, seek medical attention immediately.
Last Update：2024-04-09 02:00:41
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