Ethyl-4,4,4-trifluorbut-2-enoat - Names and Identifiers
Name | Ethyl 3-(trifluoromethyl)crotonate
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Synonyms | Ethyl-4,4,4-trifluorbut-2-enoat Ethyl 4,4,4-trifluorobut-2-enoate ETHYL 3-(TRIFLUOROMETHYL)CROTONATE Ethyl 3-(trifluoromethyl)crotonate ETHYL 3-(TRIFLUOROMETHYL)-2-BUTENOATE 3-(Trifluoromethyl)crotonicacidethylester Ethyl 4,4,4-trifluoro-3-Methylbut-2-enoate ethyl 4,4,4-trifluoro-3-methylbut-2-enoate 2-butenoic acid, 4,4,4-trifluoro-, ethyl ester ethyl (2E)-4,4,4-trifluoro-3-methylbut-2-enoate ethyl (2Z)-4,4,4-trifluoro-3-methylbut-2-enoate ethyl 3-(trifluoromethyl)crotonate, cis + trans
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CAS | 24490-03-7
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InChI | InChI=1/C7H9F3O2/c1-3-12-6(11)4-5(2)7(8,9)10/h4H,3H2,1-2H3/b5-4+ |
Ethyl-4,4,4-trifluorbut-2-enoat - Physico-chemical Properties
Molecular Formula | C7H9F3O2
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Molar Mass | 182.14 |
Density | 1.157±0.06 g/cm3(Predicted) |
Boling Point | 129 °C |
Flash Point | 32°C |
Vapor Presure | 1.46mmHg at 25°C |
BRN | 1910081 |
Storage Condition | Room Temprature |
Refractive Index | 1.378 |
MDL | MFCD00040846 |
Ethyl-4,4,4-trifluorbut-2-enoat - Risk and Safety
Hazard Symbols | F - Flammable
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Risk Codes | R10 - Flammable
R36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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UN IDs | 3272 |
Hazard Note | Flammable |
Hazard Class | 3 |
Packing Group | III |
Ethyl-4,4,4-trifluorbut-2-enoat - Introduction
Ethyl 3-(trifluoromethyl)crotonate is an organic compound with the chemical formula C7H9F3O2. The following is an introduction to its nature, use, preparation and safety information:
Nature:
Ethyl 3-(trifluoromethyl)crotonate is a colorless liquid with hydrolytic properties. It has a density of 1.336 g/mL and a boiling point of 157-158 ° C.
Use:
The compound is commonly used in organic synthesis. It is useful as an intermediate in the synthesis of biologically active compounds. In addition, it can also be used in the preparation of fungicides, pesticides and pharmaceuticals.
Method:
Ethyl 3-(trifluoromethyl)crotonate can be prepared by the following two-step synthesis:
First, crotonic acid and trifluoromethyl borate are esterified to generate 3-(trifluoromethyl) crotonic acid under acidic conditions;
Next, the obtained 3-(trifluoromethyl) crotonic acid is reacted with ethanol to generate Ethyl 3-(trifluoromethyl)crotonate under the action of an acidic catalyst.
Safety Information:
When using and operating Ethyl 3-(trifluoromethyl)crotonate, pay attention to the following safety precautions:
1. The compound is irritating and should avoid contact with skin, eyes and respiratory tract.
2. Use to wear appropriate protective equipment, such as protective glasses, gloves and protective masks.
3. In the process of operation to maintain good ventilation conditions.
4. Avoid contact with oxidants and strong bases to avoid dangerous reactions.
5. Waste should be disposed of in accordance with local regulations and should not be dumped into sewers or the environment.
Please note that the use and operation of any chemical substances should strictly follow the relevant safety operating procedures and operate under the guidance of experienced personnel.
Last Update:2024-04-09 21:01:54