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1,2-Epoxybutan
(S)-tert-butyldiMethyl(oxiran-2-ylMethoxy)silane · 2-Ethyloxirane · Epoxybutane · Oxirane,ethyl- · 3,4-EPOXYBUTANE · 1,2-BUTYLENE OXIDE · 1,2-epoxy · 1,2-ButyL
Identifikatoren & physikalische Daten
| CAS No. | 106-88-7 |
|---|---|
| Summenformel | C4H8O |
| Durchschnittliche Molmasse | 72,11 g/mol |
| Monoisotopische Masse | 72,05751488 g/mol |
| SMILES | CCC1CO1 |
| InChIKey | RBACIKXCRWGCBB-UHFFFAOYSA-N |
| PubChem CID | 7834 |
| ChEMBL | CHEMBL1378095 |
| ChEBI | CHEBI:82326 |
| EC No. | 203-438-2 |
| DTXSID | DTXSID6020569 |
| Lokaler Name | 1,2-Epoxybutan |
Chemische & physikalische Eigenschaften
| XLogP | 0,8 |
|---|---|
| Polarare Oberfläche (TPSA) | 12,5 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 1 |
| Schwere Atome | 5 |
| Formalladung | 0 |
| Komplexität | 34,6 |
| Stoffklassen | Hazardous Air Pollutants (HAPs)Carcinogens |
| Polymers | Plastics & Rubber -> Epoxides |
| pH | Approximately 7 at 50 g/L at 20 °C7 (50g/l, H2O, 20℃) |
| Pestizide | Pesticide -> EPA IRIS |
| LogP (Verteilungskoeffizient) | log Kow = 0.68 (OECD Method 107) |
| Geruch | Disagreeable odorSweetish, somewhat like butyric acid, and disagreeablePungent |
| Dichte | 0.826 at 77 °F (USCG, 1999) - Less dense than waterwill float0.8297 g/cu cm at 20 °C0.83 g/cm³Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.30.8312 @ 20°C0.829 g/mL at 20 °C(lit.) |
| Viscosity | 0.40 mPa.s at 25 °C |
| Color/Form | Colorless liquid |
| Löslichkeit | greater than or equal to 100 mg/mL at 63 °F (NTP, 1992)In water, 95.5 g/L at 25 °C (OECD Method 105)In water, 8.68 g/100 g water at 25 °CIn water, 59 g/L at 20 °CVery soluble in ethanol, acetonemiscible with etherMiscible with common aliphatic and aromatic solvents86.8g/l86.8g/L at 25℃ |
| Flammpunkt | 10 °F (NTP, 1992)-22 °C-7 °F (-22 °C) (closed cup)-22 °C c.c. |
| Siedepunkt | 145 °F at 760 mmHg (NTP, 1992)63.4 °C63.3 °C63.3 °C @760 [mm Hg]63 °C(lit.) |
| Schmelzpunkt | -129.28°C |
| Dampfdichte | 2.2 (vs air) |
| Dampfdruck | 140 mm Hg ( 20 °C) |
| Brechungsindex | n20/D 1.384 |
| Lagerbedingungen | Store below +30°C. |
| Aggregatzustand | Colorless liquid with pungent odor |
| Farbe | Colorless to Almost colorless |
| Explosionsgrenze | 1.7-19%(V) |
| Spezifische Wärmekapazität | Cp(liquid): 2.04 J/(g·K), at 25℃ |
| BRN | 102411 |
| Henry-Konstante | 5.5×10-2 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| Stabilität | Stable, but prone to polymerization - stabilizer may be added to neat liquid. Highly flammable. Incompatible with strong oxidizing agents, acids, bases, anhydrous metal halides, amino, hydroxyl and carboxyl-containing compounds. Inorganic acids and charcoal may lead to polymerization. Heat, light and moisture sensitive. |
| InChI | 1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3 |
| InChIKey | RBACIKXCRWGCBB-UHFFFAOYSA-N |
| SMILES | CCC1CO1 |
| LogP (Verteilungskoeffizient) | 0.68 at 25℃ |
| CAS Datenbank | 106-88-7(CAS DataBase Reference) |
| EPA chemische Informationen | 1,2-Butylene oxide (106-88-7) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225: Highly Flammable liquid and vapor [Danger Flammable liquids]P203, P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1001) of reports.H225 (> 99.9%): Highly Flammable liquid and vapor [Danger Flammable liquids] |
|---|---|
| Regulatorische Informationen | Chemical: Oxirane, ethyl-Hazard Traits - CarcinogenicityCardiovascular ToxicityRespiratory ToxicityOxirane, 2-ethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Oxirane, 2-ethyl- 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: 31-03-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/138371,2-Epoxybutane: Does not have an individual approval but may be used under an appropriate group standardThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.) |
| Weitere Sicherheitsinformationen | IMAP assessments - Oxirane, ethyl-: Environment tier I assessment |
| DOT-Kennzeichnung | Flammable Liquid |
| Brandgefahren | Behavior in Fire: Containers may explode in fire. Use water to cool container from safe distance. (USCG, 1999)· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.Highly flammable. Vapour/air mixtures are explosive. Risk of fire and explosion on contact with oxidizing agents, acids or metal chlorides. |
| Brandpotenzial | Dangerous fire hazard when exposed to heat, flame or powerful oxidizers. |
| Gesundheitsgefahren | Inhalation: intolerable odor and irritation |
Anwendungen & Verwendung
Verwenden
Intermediate for various polymers, stabilizer for chlorinated solvents.