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Trimethylene oxide

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Identification
Molecular formula
C4H8O
CAS number
503-30-0
IUPAC name
2,2-dimethyloxirane
State
State

At room temperature, trimethylene oxide is in a liquid state.

Melting point (Celsius)
-95.00
Melting point (Kelvin)
178.15
Boiling point (Celsius)
55.00
Boiling point (Kelvin)
328.15
General information
Molecular weight
72.11g/mol
Molar mass
72.1060g/mol
Density
0.8481g/cm3
Appearence

Trimethylene oxide is typically a clear and colorless liquid.

Comment on solubility

Solubility of 2,2-Dimethyloxirane

2,2-Dimethyloxirane, also known as tert-butyl epoxide, is a cyclic ether characterized by its unique structure which influences its solubility properties. This compound exhibits distinct solubility behaviors owing to its molecular structure.

  • Solvent Interaction: 2,2-Dimethyloxirane is generally soluble in organic solvents such as ethanol, acetone, and diethyl ether. This is attributed to its non-polar characteristics, which favor interactions with other non-polar solvents.
  • Water Solubility: In terms of solubility in water, 2,2-dimethyloxirane is poorly soluble. The reason lies in its hydrophobic nature and the presence of only a small polar functional group that limits its ability to interact with water molecules.
  • Factors Influencing Solubility: Various factors can affect the solubility of 2,2-dimethyloxirane, including:
    • Temperature: Increased temperatures may enhance solubility in organic solvents.
    • Pressure: Higher pressure can slightly influence the solubility in gaseous states.
    • Presence of other solutes: The addition of more polar compounds may alter its solubility characteristics.

In summary, 2,2-dimethyloxirane showcases a fascinating relationship with solvents, maximizing its solubility in organic environments while remaining relatively insoluble in aqueous solutions.

Interesting facts

Interesting Facts about 2,2-Dimethyloxirane

2,2-Dimethyloxirane, also known as 3,3-dimethyl-1-oxirane, is a fascinating compound in the realm of organic chemistry due to its unique structure and versatile applications. Here are some engaging insights about this compound:

  • Oxirane Structure: This compound is classified as an epoxide, featuring a three-membered cyclic ether. The strained ring structure is a hallmark of epoxides, making them highly reactive.
  • Synthesis: 2,2-Dimethyloxirane is typically synthesized through the reaction of an alcohol with a suitable reagent, like phosphorus oxychloride, and is often achieved in modest yields.
  • Reactivity: The strained oxirane ring is susceptible to ring-opening reactions, which makes 2,2-dimethyloxirane a valuable intermediate in the production of more complex molecules, including pharmaceuticals and agrochemicals.
  • Applications: This compound is used in the manufacture of various chemicals, including surfactants and epoxy resins. Its ability to serve as a building block in organic synthesis opens up numerous possibilities for crafting specialized materials.
  • Stereochemistry: The compound's unique dimethyl substitution on the ring allows for interesting stereochemical considerations, influencing how it interacts with biological systems and other compounds.
  • Environmental Considerations: As an epoxide, it may pose certain hazards if not handled properly, but studies on its environmental impact help in understanding its safe use and disposal.

As a **scientist** or **chemistry student**, exploring the depths of such compounds not only enhances your knowledge but also fosters an appreciation for the intricacies of organic chemistry. Remember, each compound has its own story, and 2,2-dimethyloxirane is no exception!

Synonyms
Isobutylene oxide
2,2-DIMETHYLOXIRANE
1,2-Epoxy-2-methylpropane
Isobutyleneoxide
Oxirane, 2,2-dimethyl-
2-Methyl-1,2-epoxypropane
dimethyloxirane
CCRIS 4380
2-Methylpropylene Oxide
EINECS 209-193-8
UJ14MJ1WG0
BRN 0102408
NSC-24249
UNII-UJ14MJ1WG0
CCRIS-4380
2-METHYL-1-PROPENOXIDE
DTXSID7060330
GELKGHVAFRCJNA-UHFFFAOYSA-
EC 209-193-8
5-17-01-00058 (Beilstein Handbook Reference)
METHYL-1,2-EPOXYPROPANE, 2-
ETHYLENE OXIDE, .ALPHA.,.ALPHA.-DIMETHYL-
1,2Epoxyisobutane
2,2Dimethyloxirane
2Methyl1propene oxide
1,2Isobutylene oxide
Oxirane, 2,2dimethyl
1,2Epoxy2methylpropane
1,1Dimethylethylene oxide
Propane, 1,2epoxy2methyl
2-MEP
DTXCID6041971
ETHYLENE OXIDE, ALPHA,ALPHA-DIMETHYL-
gelkghvafrcjna-uhfffaoysa-n
inchi=1/c4h8o/c1-4(2)3-5-4/h3h2,1-2h3
un1993
558-30-5
Isobutene oxide
Isobutylene epoxide
1,2-Epoxyisobutane
1,1-Dimethyloxirane
1,1-Dimethylethylene oxide
1,2-Isobutylene oxide
2-Methyl-1-propene oxide
1,2-Epoxy-isobutane
2,2-Dimethyl-oxirane
Propane, 1,2-epoxy-2-methyl-
NSC 24249
1,2-epoxy-2-methyl-propane
MFCD00066354
isobutylenoxide
2,2-dimethyloxiran
Oxirane,2-dimethyl-
2, 2-dimethyloxirane
2,2-dimethyl oxirane
1, 2-Isobutylene oxide
Propane,2-epoxy-2-methyl-
1, 1-Dimethylethylene oxide
2-Methyl-1, 2-epoxypropane
CHEBI:193943
1,2-Epoxy-2-methylpropane, 8CI
NSC24249
1,2-Epoxy-2-methylpropane, 97%
AKOS009157227
FI75926
DB-016263
I0323
NS00001765
EN300-36458
1,2-Epoxy-2-methylpropane; 2,2-Dimethyloxirane
A830830
F0001-4298
25068-10-4