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2,5-Difluortoluol
1,4-Difluoro-2-methylbenzene · uorotoL · 2,5-DifL · 2,5-Difluorotolune · 2,5-DIFLUOROTOLUENE · 2,5-Difluorotoluene>2,5-Difluorotoluene,98% · 2 5-DIFLUOROTOLUENE 98% · 2,5-Difluorotoluene, 97+%
Identifikatoren & physikalische Daten
| CAS No. | 452-67-5 |
|---|---|
| Summenformel | C7H6F2 |
| Durchschnittliche Molmasse | 128,12 g/mol |
| Monoisotopische Masse | 128,04375663 g/mol |
| SMILES | Cc1cc(F)ccc1F |
| InChIKey | YSNVKDGEALPJGC-UHFFFAOYSA-N |
| PubChem CID | 67980 |
| EC No. | 207-205-6 |
| DTXSID | DTXSID10196423 |
| Lokaler Name | 2,5-Difluortoluol |
Chemische & physikalische Eigenschaften
| XLogP | 3,1 |
|---|---|
| Polarare Oberfläche (TPSA) | 0 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 2 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 9 |
| Formalladung | 0 |
| Komplexität | 92,9 |
| Stoffklassen | Other Classes -> Halogenated Monoaromatics |
| Physical Description | Colorless liquid with an aromatic odor[Alfa Aesar MSDS] |
| Schmelzpunkt | -35°C |
| Siedepunkt | 117 °C775 mm Hg(lit.) |
| Dichte | 1.36 g/mL at 25 °C(lit.) |
| Brechungsindex | n20/D 1.452(lit.) |
| Flammpunkt | 55 °F |
| Lagerbedingungen | 2-8°C |
| Aggregatzustand | liquid |
| Farbe | Clear, colourless |
| Wichte | 1.360 |
| BRN | 2041492 |
| Stabilität | Stable. Incompatible with strong oxidizing agents. |
| CAS Datenbank | 452-67-5(CAS DataBase Reference) |
| NIST chemische Informationen | 2,5-Difluorotoluene(452-67-5) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 45 reports by companies from 2 notifications to the ECHA C&L Inventory. |
|---|---|
| Gefahrenübersicht | A skin and strong eye irritant[Alfa Aesar MSDS] See Toluene. |
| Hazard Classes and Categories | Flam. Liq. 2 (100%) |
| Wassergefährdungsklasse (WGK) | 3 |
| UN-Transportnummer | UN 1993 3/PG 2 |
| Zollcode | 29039990 |
| R-Sätze (R) | 11 |
| Gefahrensymbole | F,F+ |
| hazard_note | Flammable |
| Sicherheitshinweise (S) | 16-29-33 |
| Gefahrenklasse | 3 |
| Verpackungsgruppe | II |
Anwendungen & Verwendung
Verwenden
2,5-Difluorobenzaldehyde is a very important fine chemical. It is an intermediate for the synthesis of many important chemicals and is used as an intermediate for medicines, pesticides, and liquid crystal materials.