| Identification | More | [Name]
Isobutylene oxide | [CAS]
558-30-5 | [Synonyms]
1,1-DIMETHYLOXIRANE
1,2-EPOXY-2-METHYLPROPANE
1,2-EPOXYISOBUTANE
2,2-DIMETHYLOXIRANE
2-METHYLPROPYLENE OXIDE
ISOBUTYLENE OXIDE
1,1-Dimethylethylene oxide
1,1-dimethylethyleneoxide
1,2-epoxy-2-methyl-propan
1,2-Isobutylene oxide
1,2-isobutyleneoxide
2,2-dimethyl-oxiran
2-Methyl-1,2-epoxypropane
2-Methyl-1-propene oxide
Isobutene oxide
isobuteneoxide
Isobutylene epoxide
isobutyleneepoxide
Propane, 1,2-epoxy-2-methyl-
Isobutylene oxide, 99+% | [EINECS(EC#)]
209-193-8 | [Molecular Formula]
C4H8O | [MDL Number]
MFCD00066354 | [Molecular Weight]
72.11 | [MOL File]
558-30-5.mol |
| Chemical Properties | Back Directory | [Appearance]
clear colorless liquid | [Boiling point ]
50-51 °C(lit.)
| [density ]
0.812 g/mL at 25 °C(lit.)
| [refractive index ]
n20/D 1.374(lit.)
| [Fp ]
33 °F
| [storage temp. ]
Flammables area | [solubility ]
58g/l | [form ]
Liquid | [color ]
Clear colorless | [Specific Gravity]
approximate 0.82 (20℃) | [explosive limit]
1.5-13.5%(V) | [Water Solubility ]
58 g/L (20 ºC) | [Sensitive ]
Moisture Sensitive | [BRN ]
102408 | [Henry's Law Constant]
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 DataBase Reference]
558-30-5(CAS DataBase Reference) | [NIST Chemistry Reference]
Oxirane, 2,2-dimethyl-(558-30-5) | [EPA Substance Registry System]
558-30-5(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
  
GHS02,GHS05,GHS08 | [Signal word ]
Danger | [Hazard statements ]
H225-H314-H341-H351 | [Precautionary statements ]
P202-P210-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | [Hazard Codes ]
F,Xi,Xn | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . | [RIDADR ]
UN 1993 3/PG 1
| [WGK Germany ]
2
| [RTECS ]
TZ3580000
| [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
3 | [PackingGroup ]
II | [HS Code ]
29109000 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Carc. 2
Flam. Liq. 2
Muta. 2
Skin Corr. 1C |
| Hazard Information | Back Directory | [Chemical Properties]
clear colorless liquid | [Uses]
Isobutylene oxide is an epoxide that is used as an initiator in the synthesis of polyisobutylenes.
| [Definition]
ChEBI: 2,2-Dimethyloxirane is an epoxide. | [Flammability and Explosibility]
Highlyflammable |
|
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