Date published: 2026-5-30

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1,2-Butylene Carbonate (CAS 4437-85-8)

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Alternate Names:
4-Ethyl-1,3-dioxolan-2-one; Butylene carbonate
CAS Number:
4437-85-8
Molecular Weight:
116.12
Molecular Formula:
C5H8O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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1,2-Butylene Carbonate is a cyclic ether compound that serves as a intermediate in the creation of diverse organic compounds. This colorless liquid, notable for its pleasant odor, is soluble in ethanol, ether, and other polar solvents. Its breadth of use in scientific exploration is considerable, being involved in the synthesis of various organic compounds like esters, amides, and alcohols. Beyond these, it′s employed in the formation of agrochemicals, specialty chemicals, polymers, surfactants, and other materials. The mechanism of action of 1,2-Butylene Carbonate is rooted in the formation of a stable cyclic ether structure. This is achieved through the reaction of ethylene oxide and formaldehyde in an alkaline environment, catalyzed by an alkali metal hydroxide like sodium hydroxide or potassium hydroxide. This reaction, which is reversible, results in the cyclic ether structure through the rearrangement of the reactants.


1,2-Butylene Carbonate (CAS 4437-85-8) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

1,2-Butylene Carbonate, 25 g

sc-486713
25 g
$298.00

1,2-Butylene Carbonate, 100 g

sc-486713A
100 g
$734.00