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2,2-Dimethyloxiran
2,2-DIMETHYLOXIRANE · Isobutene oxide · 1,2-EPOXY-2-METHYLPROPANE · Isobutylene epoxide · 1,2-EPOXYISOBUTANE · isobutyleneepoxide · 1,1-DIMETHYLOXIRANE · 2-METHYLPROPYLENE OXIDE
Identifikatoren & physikalische Daten
| CAS No. | 558-30-5 |
|---|---|
| Summenformel | C4H8O |
| Durchschnittliche Molmasse | 72,11 g/mol |
| Monoisotopische Masse | 72,05751488 g/mol |
| SMILES | CC1(C)CO1 |
| InChIKey | GELKGHVAFRCJNA-UHFFFAOYSA-N |
| PubChem CID | 11208 |
| ChEBI | CHEBI:193943 |
| EC No. | 209-193-8 |
| DTXSID | DTXSID7060330 |
| Lokaler Name | 2,2-Dimethyloxiran |
Chemische & physikalische Eigenschaften
| XLogP | 0,5 |
|---|---|
| Polarare Oberfläche (TPSA) | 12,5 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 5 |
| Formalladung | 0 |
| Komplexität | 47,6 |
| Polymers | Plastics & Rubber -> Epoxides |
| SpringerMaterials Properties | Schoenflies notation |
| Löslichkeit | 58 mg/mL at 20 °C58g/l58 g/L (20 ºC) |
| Dampfdruck | 387.0 [mmHg] |
| Physical Description | LiquidColorless liquid[Alfa Aesar MSDS] |
| Siedepunkt | 50-51 °C(lit.) |
| Dichte | 0.812 g/mL at 25 °C(lit.) |
| Brechungsindex | n20/D 1.374(lit.) |
| Flammpunkt | 33 °F |
| Lagerbedingungen | Flammables area |
| Aggregatzustand | Liquid |
| Wichte | approximate 0.82 (20℃) |
| Farbe | Clear colorless |
| Explosionsgrenze | 1.5-13.5%(V) |
| BRN | 102408 |
| Henry-Konstante | 2.9×10-2 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| InChI | 1S/C4H8O/c1-4(2)3-5-4/h3H2,1-2H3 |
| InChIKey | GELKGHVAFRCJNA-UHFFFAOYSA-N |
| SMILES | CC1(C)CO1 |
| CAS Datenbank | 558-30-5(CAS DataBase Reference) |
| NIST chemische Informationen | Oxirane, 2,2-dimethyl-(558-30-5) |
| EPA chemische Informationen | Oxirane, 2,2-dimethyl- (558-30-5) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P318, P319, P321, P363, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 207 reports by companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Oxirane, 2,2-dimethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Oxirane, 2,2-dimethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 11-10-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/11246 |
| Gefahrenübersicht | An irritant[Alfa Aesar MSDS] See Propylene oxide. |
| Hazard Classes and Categories | Flam. Liq. 2 (100%) |
| Wassergefährdungsklasse (WGK) | 2 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 1993 3/PG 1 |
| Zollcode | 29109000 |
| RTECS-Nr. | TZ3580000 |
| R-Sätze (R) | 11-36/37/38-20/21/22-34 |
| Gefahrensymbole | F,Xi,Xn,C |
| Sicherheitshinweise (S) | 16-26-36-36/37/39-45 |
| Gefahrenklasse | 3Carc. 2Flam. Liq. 2Muta. 2Skin Corr. 1C |
| Verpackungsgruppe | II |
| Lagerklasse | 3 - Flammable liquids |
Anwendungen & Verwendung
Verwenden
Isobutylene oxide is an epoxide that is used as an initiator in the synthesis of polyisobutylenes.