HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Pentamethyldisiloxan
1,1,1,3,3-Pentamethyldisiloxane · DK541 · DKSI147 · DKSI005 · DKFELEX0132 · Pentamethyldisloxane · PENTAMETHYLDISILOXANE · pentamethyl-disiloxan
Identifikatoren & physikalische Daten
| CAS No. | 1438-82-0 |
|---|---|
| Summenformel | C5H16OSi2 |
| Durchschnittliche Molmasse | 148,35 g/mol |
| Monoisotopische Masse | 148,07396819 g/mol |
| SMILES | C[SiH](C)O[Si](C)(C)C |
| InChIKey | AOJHDNSYXUZCCE-UHFFFAOYSA-N |
| PubChem CID | 74037 |
| EC No. | 215-873-5 |
| DTXSID | DTXSID00883673 |
| Lokaler Name | Pentamethyldisiloxan |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 9,2 |
|---|---|
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 2 |
| Schwere Atome | 8 |
| Formalladung | 0 |
| Komplexität | 65,3 |
| SpringerMaterials Properties | 29Si nuclear magnetic resonance spectrum |
| Siedepunkt | 86 °C (lit.) |
| Dichte | 0.760 g/mL at 20 °C (lit.) |
| Brechungsindex | n20/D 1.373 |
| Flammpunkt | -9°C |
| Lagerbedingungen | 2-8°C, stored under nitrogen |
| Aggregatzustand | clear liquid |
| Farbe | Colorless to Almost colorless |
| Wichte | 0.758 |
| Löslichkeit | Not miscible or difficult to mix in water. |
| BRN | 1734568 |
| InChI | InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3 |
| InChIKey | AOJHDNSYXUZCCE-UHFFFAOYSA-N |
| SMILES | [Si](C)(C)(C)O[SiH](C)C |
| EPA chemische Informationen | Disiloxane, pentamethyl- (1438-82-0) |
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 46 reports by companies from 2 notifications to the ECHA C&L Inventory. |
|---|---|
| Hazard Classes and Categories | Flam. Liq. 2 (100%) |
| F | 10-21 |
| Wassergefährdungsklasse (WGK) | 3 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 1993 3/PG 2 |
| Zollcode | 29319090 |
| R-Sätze (R) | 11 |
| Gefahrensymbole | F |
| Sicherheitshinweise (S) | 16-23-24/25 |
| Gefahrenklasse | 3Flam. Liq. 2 |
| Verpackungsgruppe | II |
| Lagerklasse | 3 - Flammable liquids |
Anwendungen & Verwendung
Beschreibung
Pentamethyldisiloxane, is an organosilicon compound used in synthesis of siloxane-polyether copolymer surfactants. Pentamethyldisiloxane can also be used as source of the trimethylsilyl functional group in organic synthesis.