2,3-二甲基呋喃
2,3-Dimethylfuran
CAS: 14920-89-9
Molecular Formula: C6H8O
2,3-二甲基呋喃 - Names and Identifiers
| Name | 2,3-Dimethylfuran |
| Synonyms | 2,3-DIMETHYLFURAN 2,3-Dimethylfuran Furan, 2,3-dimethyl- |
| CAS | 14920-89-9 |
| EINECS | 626-651-6 |
| InChI | InChI=1/C6H8O/c1-5-3-4-7-6(5)2/h3-4H,1-2H3 |
2,3-二甲基呋喃 - Physico-chemical Properties
| Molecular Formula | C6H8O |
| Molar Mass | 96.13 |
| Density | 0.91 g/mL at 25 °C (lit.) |
| Melting Point | -62.8°C (estimate) |
| Boling Point | 42 °C/115 mmHg (lit.) |
| Flash Point | 30°F |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 41.3mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 0.919 |
| Color | Colorless to Yellow to Green |
| BRN | 104572 |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.443(lit.) |
| MDL | MFCD00153893 |
| Physical and Chemical Properties | Storage Conditions: flagmables area WGK Germany:3 |
2,3-二甲基呋喃 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29321900 |
| Hazard Class | 3 |
| Packing Group | II |
2,3-二甲基呋喃 - Introduction
2,3-dimethylfuran is an organic solvent with the chemical formula C6H10O. It is a colorless liquid with a special aromatic smell. The following are some properties, uses, preparation methods and safety information of 2,3-dimethylfuran:
Nature:
-Density: 0.87 g/mL
-Boiling point: 94-95 ° C
-Melting point:-24 ° C
-Flash Point: 11 ° C
-Solubility: Soluble in water, alcohols and Ether solvents
-Chemical properties: It is a stable compound and is not prone to chemical reactions.
Use:
-2,3-dimethylfuran is commonly used as a solvent and can be used for solvent extraction, extraction separation, solution catalysis and other reactions in organic synthesis.
-It can also be used in pharmaceutical synthesis, natural product extraction and dye industry.
Method:
The preparation method of 2,3-dimethylfuran is relatively simple, and there are two common preparation methods:
1. By cyclization reaction: acetone reacts with formaldehyde in the presence of sulfuric acid to generate 2,3-dimethylfuran.
2. Catalytic reaction by ammonia: ethane and formaldehyde are catalytically reacted in the presence of ammonia to generate 2,3-dimethylfuran.
Safety Information:
-2,3-dimethylfuran is a flammable liquid and should avoid contact with fire sources.
-Wear appropriate protective gloves, goggles and protective clothing when using.
-Use in a well-ventilated place to avoid prolonged inhalation.
-Wash immediately or seek medical assistance if skin contact or inhalation occurs.
Nature:
-Density: 0.87 g/mL
-Boiling point: 94-95 ° C
-Melting point:-24 ° C
-Flash Point: 11 ° C
-Solubility: Soluble in water, alcohols and Ether solvents
-Chemical properties: It is a stable compound and is not prone to chemical reactions.
Use:
-2,3-dimethylfuran is commonly used as a solvent and can be used for solvent extraction, extraction separation, solution catalysis and other reactions in organic synthesis.
-It can also be used in pharmaceutical synthesis, natural product extraction and dye industry.
Method:
The preparation method of 2,3-dimethylfuran is relatively simple, and there are two common preparation methods:
1. By cyclization reaction: acetone reacts with formaldehyde in the presence of sulfuric acid to generate 2,3-dimethylfuran.
2. Catalytic reaction by ammonia: ethane and formaldehyde are catalytically reacted in the presence of ammonia to generate 2,3-dimethylfuran.
Safety Information:
-2,3-dimethylfuran is a flammable liquid and should avoid contact with fire sources.
-Wear appropriate protective gloves, goggles and protective clothing when using.
-Use in a well-ventilated place to avoid prolonged inhalation.
-Wash immediately or seek medical assistance if skin contact or inhalation occurs.
Last Update：2024-04-09 02:00:42
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