2,2,5,5-Tetramethyldihydrofuran-3(2H)-one
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone
CAS: 5455-94-7
Molecular Formula: C8H14O2
2,2,5,5-Tetramethyldihydrofuran-3(2H)-one - Names and Identifiers
| Name | dihydro-2,2,5,5-tetramethyl-3(2H)-furanone |
| Synonyms | 2,2,5,5-TETRAMETHYLTETRAHYDROFURAN-3-ONE 2,2,5,5-Tetramethyltetrahydro-3-ketofuran 2,2,5,5-Tetramethyldihydro-3(2H)-furanone 2,2,5,5-Tetramethyldihydrofuran-3(2H)-one dihydro-2,2,5,5-tetramethyl-3(2H)-furanone DIHYDRO-2,2,5,5-TETRAMETHYL-3(2H)-FURANONE 3(2H)-Furanone,dihydro-2,2,5,5-tetramethyl- 3-Oxo-2,2,5,5-tetramethyltetrahydrofuran, 2,2,5,5-Tetramethyloxolan-3-one |
| CAS | 5455-94-7 |
| EINECS | 200-258-5 |
| InChI | InChI=1/C8H14O2/c1-7(2)5-6(9)8(3,4)10-7/h5H2,1-4H3 |
| InChIKey | HWFLEGUPVIFSJN-UHFFFAOYSA-N |
2,2,5,5-Tetramethyldihydrofuran-3(2H)-one - Physico-chemical Properties
| Molecular Formula | C8H14O2 |
| Molar Mass | 142.2 |
| Density | 0.926g/mLat 25°C(lit.) |
| Boling Point | 42-43°C11mm Hg(lit.) |
| Flash Point | 103°F |
| Vapor Presure | 3.97mmHg at 25°C |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.42(lit.) |
2,2,5,5-Tetramethyldihydrofuran-3(2H)-one - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1224 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 29321900 |
| Hazard Class | 3.2 |
| Packing Group | III |
2,2,5,5-Tetramethyldihydrofuran-3(2H)-one - Introduction
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone(dihydro-2)-furanone) is an organic compound with the molecular formula C9H16O and a relative molecular mass of 140.22g/mol. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: dihydro-2 2,5,5-tetramethyl-3(2H)-furanone is a colorless and transparent liquid.
2. Solubility: It can be dissolved in water and soluble in most organic solvents.
3. melting point and boiling point: its melting point is about 11-13 ℃, boiling point is about 182-186 ℃.
4. Stability: It is a stable compound that is not easy to decompose under conventional conditions.
Use:
1. spices: dihydro-2,2,5, 5-tetramethyyl-3 (2H)-furanone has a strong sweet smell and is often used as an ingredient in flavors and spices to give products a unique fragrance.
2. Chemical synthesis: It can also be used as a solvent and intermediate in organic synthesis reactions.
Preparation Method:
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone is generally synthesized by the following steps:
1. Methyl magnesium bromide reacts with valeraldehyde to give 2,2,5,5-tetramethylpentanol.
2. 2,2,5,5-tetramethylpentanol is oxidized to generate 2,2,5,5-tetramethylpentanone.
3. 2,2,5,5-tetramethylpentanone is carboxylated to prepare dihydro-2 2,5,5-tetramethyl-3(2H)-furanone.
Safety Information:
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone has low toxicity, but the following matters still need to be paid attention:
1. Inhalation: Prolonged and high exposure may cause coughing, dyspnea, and eye irritation. A well-ventilated working environment should be maintained.
2. ingestion: should avoid eating, such as eating should immediately seek medical assistance.
3. contact with the skin: should avoid prolonged contact, such as contact after the application of clean water, and the use of protective gloves.
4. Environmental impact: The release of the compound into the environment should be avoided, and waste should be properly treated and disposed.
When using and handling this compound, it is important to follow safety practices and personal protective measures, such as wearing protective gloves and goggles, are required. If necessary, operate in a well-ventilated environment.
Nature:
1. Appearance: dihydro-2 2,5,5-tetramethyl-3(2H)-furanone is a colorless and transparent liquid.
2. Solubility: It can be dissolved in water and soluble in most organic solvents.
3. melting point and boiling point: its melting point is about 11-13 ℃, boiling point is about 182-186 ℃.
4. Stability: It is a stable compound that is not easy to decompose under conventional conditions.
Use:
1. spices: dihydro-2,2,5, 5-tetramethyyl-3 (2H)-furanone has a strong sweet smell and is often used as an ingredient in flavors and spices to give products a unique fragrance.
2. Chemical synthesis: It can also be used as a solvent and intermediate in organic synthesis reactions.
Preparation Method:
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone is generally synthesized by the following steps:
1. Methyl magnesium bromide reacts with valeraldehyde to give 2,2,5,5-tetramethylpentanol.
2. 2,2,5,5-tetramethylpentanol is oxidized to generate 2,2,5,5-tetramethylpentanone.
3. 2,2,5,5-tetramethylpentanone is carboxylated to prepare dihydro-2 2,5,5-tetramethyl-3(2H)-furanone.
Safety Information:
dihydro-2,2,5,5-tetramethyl-3(2H)-furanone has low toxicity, but the following matters still need to be paid attention:
1. Inhalation: Prolonged and high exposure may cause coughing, dyspnea, and eye irritation. A well-ventilated working environment should be maintained.
2. ingestion: should avoid eating, such as eating should immediately seek medical assistance.
3. contact with the skin: should avoid prolonged contact, such as contact after the application of clean water, and the use of protective gloves.
4. Environmental impact: The release of the compound into the environment should be avoided, and waste should be properly treated and disposed.
When using and handling this compound, it is important to follow safety practices and personal protective measures, such as wearing protective gloves and goggles, are required. If necessary, operate in a well-ventilated environment.
Last Update：2024-04-10 22:29:15
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