Difluoroacetic acid ethyl ester
ethyl difluoroacetate
CAS: 454-31-9
Molecular Formula: C4H6F2O2
Difluoroacetic acid ethyl ester - Names and Identifiers
| Name | ethyl difluoroacetate |
| Synonyms | AKOS B020251 ART-CHEM-BB B020251 Ethyl difluoroacetic ethyl difluoroacetate ETHYL DIFLUOROACETATE Ethyl 2,2-difluoroacetate ETHYL DIFLUOROACETIC ACID difluoro-aceticaciethylester 3-(trifluoromethyl)cyclohexanol Difluoroacetic acid ethyl ester DIFLUOROACETIC ACID ETHYL ESTER |
| CAS | 454-31-9 |
| EINECS | 207-223-4 |
| InChI | InChI=1/C7H11F3O/c8-7(9,10)5-2-1-3-6(11)4-5/h5-6,11H,1-4H2 |
| InChIKey | GZKHDVAKKLTJPO-UHFFFAOYSA-N |
Difluoroacetic acid ethyl ester - Physico-chemical Properties
| Molecular Formula | C4H6F2O2 |
| Molar Mass | 124.09 |
| Density | 1.18 g/mL at 25 °C (lit.) |
| Boling Point | 99.2 °C (lit.) |
| Flash Point | 25 °C |
| Water Solubility | Slightly soluble in water |
| Solubility | DMSO (Sparingly), Methanol (Sparingly) |
| Vapor Presure | 30.03-200.2hPa at 20.03-56.98℃ |
| Appearance | Liquid |
| Specific Gravity | 1.242 |
| Color | Clear colorless |
| BRN | 1748597 |
| Storage Condition | 2-8°C |
| Refractive Index | 1.3465-1.3485 |
| Physical and Chemical Properties | Density 1.242 boiling point 97°C refractive index 1.3465-1.3485 flash point 25°C |
Difluoroacetic acid ethyl ester - Risk and Safety
| Risk Codes | R34 - Causes burns R10 - Flammable |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. S27 - Take off immediately all contaminated clothing. |
| UN IDs | 1992 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29159000 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | III |
Difluoroacetic acid ethyl ester - Reference Information
| LogP | 0.87 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | ethyl difluoroacetate is an important organic intermediate, mainly used in medicine, pesticide, organic synthesis and other fields. There are many downstream pharmaceutical products of ethyl difluoroacetate. Most of the treatment pharmacology, safety, clinical and other in-depth research, the large-scale production of ethyl difluoroacetate has broad market prospects. |
| use | ethyl difluoroacetate is mainly used in pharmaceutical intermediates. |
| preparation method | at present, there are many methods for preparing ethyl difluoroacetate, among which there are the following methods: method 1, EP0694523 discloses a preparation method of ethyl difluoroacetate, the method is to add tetrafluoroethylene and methanol under the catalysis of a catalyst to synthesize methoxytetrafluoroethane, and the methoxytetrafluoroethane is catalyzed by cracking to obtain difluoroacetyl fluoride, then it is esterified with ethanol to obtain ethyl difluoroacetate. |
Last Update：2024-04-09 02:00:08
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