4,4-二氟戊酸乙酯
4,4-二氟戊酸乙酯
CAS: 659-72-3
Molecular Formula: C7H12F2O2
4,4-二氟戊酸乙酯 - Names and Identifiers
| Name | 4,4-二氟戊酸乙酯 |
| Synonyms | Ethyl 4,4-difluorovalerate Ethyl 4,4-difluoropentanoate ethyl 4,3-difluoropentanoate Pentanoic acid, 4,4-difluoro-, ethyl ester |
| CAS | 659-72-3 |
4,4-二氟戊酸乙酯 - Physico-chemical Properties
| Molecular Formula | C7H12F2O2 |
| Molar Mass | 166.17 |
| Density | 1.1012 |
| Boling Point | 70-72 °C(Press: 27 Torr) |
| Flash Point | 55°C |
| BRN | 1906601 |
4,4-二氟戊酸乙酯 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R18 - In use may form flammable/explosive vapor-air mixture R20/22 - Harmful by inhalation and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3272 3 / PGIII |
| WGK Germany | 3 |
4,4-二氟戊酸乙酯 - Introduction
Ethyl 4,4-difluoropentanoate, chemical formula C6H8F2O2, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: colorless liquid
-Molecular weight: 146.12g/mol
-Boiling Point: 142-143°C
-Density: 1.119 g/mL
-Solubility: Soluble in organic solvents, insoluble in water
-Stability: stable, but susceptible to light, heat, oxidants and acids
Use:
-Ethyl 4,4-difluoropentanoate is an important organic synthesis intermediate, which has a wide range of applications in the fields of medicine, pesticide and dye industry. It can be used as a precursor for the synthesis of pharmaceuticals, pesticides and dyes, as well as for the preparation of other organic compounds.
- 4,4-difluoropentanoic acid ethyl ester can be used as solvent, esterification reagent and catalyst in organic synthesis.
Preparation Method:
The preparation of ethyl 4,4-difluoropentanoate is generally carried out by the following steps:
1. First, pentanoic acid is reacted with sulfur difluoride to obtain 4,4-difluoropentanoic acid.
2.4,4-difluoropentanoic acid is then reacted with ethanol under acidic conditions to generate ethyl 4,4-difluoropentanoate.
Safety Information:
- 4,4-difluoropentanoic acid ethyl ester is a flammable liquid, storage and operation should pay attention to avoid fire and open flame.
-use should wear protective glasses and gloves, avoid contact with the skin and inhalation of its vapor.
-Operate in a well-ventilated area to avoid entering the respiratory system.
-If accidentally touched or taken by mistake, rinse immediately with plenty of water and seek medical attention immediately.
Nature:
-Appearance: colorless liquid
-Molecular weight: 146.12g/mol
-Boiling Point: 142-143°C
-Density: 1.119 g/mL
-Solubility: Soluble in organic solvents, insoluble in water
-Stability: stable, but susceptible to light, heat, oxidants and acids
Use:
-Ethyl 4,4-difluoropentanoate is an important organic synthesis intermediate, which has a wide range of applications in the fields of medicine, pesticide and dye industry. It can be used as a precursor for the synthesis of pharmaceuticals, pesticides and dyes, as well as for the preparation of other organic compounds.
- 4,4-difluoropentanoic acid ethyl ester can be used as solvent, esterification reagent and catalyst in organic synthesis.
Preparation Method:
The preparation of ethyl 4,4-difluoropentanoate is generally carried out by the following steps:
1. First, pentanoic acid is reacted with sulfur difluoride to obtain 4,4-difluoropentanoic acid.
2.4,4-difluoropentanoic acid is then reacted with ethanol under acidic conditions to generate ethyl 4,4-difluoropentanoate.
Safety Information:
- 4,4-difluoropentanoic acid ethyl ester is a flammable liquid, storage and operation should pay attention to avoid fire and open flame.
-use should wear protective glasses and gloves, avoid contact with the skin and inhalation of its vapor.
-Operate in a well-ventilated area to avoid entering the respiratory system.
-If accidentally touched or taken by mistake, rinse immediately with plenty of water and seek medical attention immediately.
Last Update：2024-04-09 02:00:57
