2,2-Dimethyloxiran
Isobutylene oxide
Grundinformationen
- CAS
558-30-5- Standard-SMILES
CC1(C)CO1- InChIKey
GELKGHVAFRCJNA-UHFFFAOYSA-N- Summenformel
- C4H8O
- Durchschnittliche Molmasse
- 72,11 g/mol
- Monoisotopische Masse
- 72,05751487
Überblick
2,2-Dimethyloxirane is an epoxide.
Namen und Bezeichner
- Bevorzugter Name
- Isobutylene oxide
- IUPAC
- 2,2-dimethyloxirane
- Lokaler Name
- 2,2-Dimethyloxiran
- Englischer Name
- Isobutylene oxide
- Summenformel
- C4H8O
- Molmasse
- 72.11
Namen und Synonyme
Isobutylene oxide558-30-5Isobutene oxide1,2-EpoxyisobutaneIsobutylene epoxideIsobutyleneoxideOxirane, 2,2-dimethyl-2-Methyl-1,2-epoxypropane1,2-Isobutylene oxide1,1-Dimethylethylene oxide2-Methyl-1-propene oxidePropane, 1,2-epoxy-2-methyl-
Weitere Namen anzeigen
2,2-DIMETHYLOXIRANE1,2-EPOXY-2-METHYLPROPANEisobutyleneepoxide1,1-DIMETHYLOXIRANE2-METHYLPROPYLENE OXIDEisobuteneoxide
UJ14MJ1WG0NSC-24249CCRIS-4380DTXSID7060330RefChem:1491122-MEPDTXCID6041971209-193-8
Datenbank-Bezeichner
- CAS
558-30-5- PubChem CID
- 11208
- DTXSID
DTXSID7060330- ChEBI
CHEBI:193943- UNII
- UJ14MJ1WG0
- EC Number
- 209-193-8
- Nikkaji
- J2.669G
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 0,5
- Polarare Oberfläche (TPSA)
- 12,5 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 1
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 5
- Formalladung
- 0
- Komplexität
- 47,6
Experimentelle und physikochemische Eigenschaften
PolymersPlastics & Rubber -> Epoxides
SpringerMaterials PropertiesSchoenflies notation
Solubility58 mg/mL at 20 °C
Vapor Pressure387.0 [mmHg]
Physical Description
Liquid
Colorless liquid; [Alfa Aesar MSDS]
Physikochemische Eigenschaften
- Siedepunkt
- 50 · 50-51 °C(lit.)
- Dichte
- 0.812 g/mL · 0.812 g/mL at 25 °C(lit.)
- Brechungsindex
- 20 · n20/D 1.374(lit.)
- Flammpunkt
- 33 °F · 33 °F
- storage temp.
- Flammables area
- Löslichkeit
- 58 g/l · 58g/l
- Aggregatzustand
- Liquid
- Wichte
- 0.82 · approximate 0.82 (20℃)
- Farbe
- Clear colorless
- Explosionsgrenze
- 1.5 · 1.5-13.5%(V)
- Wasserlöslichkeit
- 58 g/L · 58 g/L (20 ºC)
- BRN
- 102408 · 102408
- Henry's Law Constant
- 2.9 · 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 · 558-30-5(CAS DataBase Reference)
- NIST chemische Informationen
- 2 · Oxirane, 2,2-dimethyl-(558-30-5)
- EPA chemische Informationen
- 2 · Oxirane, 2,2-dimethyl- (558-30-5)
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H225 (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.
Gefahrenhinweise
Regulatory Information
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)
REACH registered substance: 2,2-dimethyloxirane (EC: 209-193-8)
Hazards SummaryAn irritant; [Alfa Aesar MSDS] See Propylene oxide.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)
Sicherheitsdaten
- wgk
- 2
- tsca
- TSCA listed
- ridadr
- UN 1993 3/PG 1
- hs_code
- 29109000
- RTECS-Nr.
- TZ3580000
- risk_code
- 11-36/37/38-20/21/22-34
- hazard_code
- F,Xi,Xn,C
- safety_code
- 16-26-36-36/37/39-45
- hazard_class
- 3
- packing_group
- II
- Speicherklasse
- 3 - Flammable liquids
- Hazard Classifications
- Carc. 2Flam. Liq. 2Muta. 2Skin Corr. 1C
Chemie und Industrie
Pharmakologische Informationen
Cellular LocationsCytoplasm
Verwendung und Herstellung
U.S. Production2023: 1,000,000 - <8,500,000 lb
Industry UsesIntermediate
General Manufacturing Information
Petrochemical Manufacturing
Oxirane, 2,2-dimethyl-: ACTIVE
Anwendungen
VerwendenIsobutylene oxide is an epoxide that is used as an initiator in the synthesis of polyisobutylenes.
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