C3H4O
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C3H4O is a chemical formula that represents each of several actual and hypothetical compounds that differ in structure, but each consist of three atoms of carbon, four of hydrogen, and one of oxygen. The following compounds are among them:
| Name | CAS # | Notes | Structure |
|---|---|---|---|
| Oxetene, 2H-Oxete | 287-25-2 | Synthesized;[1] unstable.[2] Can be made by using light to cyclize acrolein.[3] | File:C3H4Oisomer 12.png |
| 2-Oxabicyclo[1.1.0]butane[4] | 35553-05-0 | File:C3H4Oisomer 13.png | |
| Acrolein, 2-propenal | 107-02-8 | Forms from pollutants, burning, metabolism.[5] Cis and trans forms; cis form predominant.[5] | File:C3H4Oisomer 01.png |
| Propa-1,2-dien-1-ol[6] | 81788-96-7 | Synthesized.[7] Tautomerizes "quantitatively" to acrolein above -50 °C.[7] | File:C3H4Oisomer 04.png |
| Propargyl alcohol or 2-propyn-1-ol | 107-19-7 | "Mild, geranium odor"[8] Used in synthesis, as corrosion inhibitor, soil fumigant.[9] | File:C3H4Oisomer 02.png |
| Methoxy ethyne, methoxyacetylene | 6443-91-0 | File:C3H4Oisomer 05.png | |
| Prop-1-yn-1-ol,[10] 1-propynol[11] | 6175-54-8 | File:C3H4Oisomer 03.png | |
| Methylketene or 1-propen-1-one[12] | 6004-44-0 | Synthesized.[13] Intermediate in acrolein pyrolysis.[14] Of astronomical interest.[13] | File:C3H4Oisomer 06.png |
| Methylene oxirane,[15] allene oxide | 40079-14-9 | Synthesized;[16] predicted (1968) to isomerize "readily" to cyclopropanone.[16][17]Template:Needs update | File:C3H4Oisomer 07.png |
| Cyclopropanone | 5009-27-8 | Synthesized; unstable due to polymerization and ring-opening.[18] Derivatives used in synthesis, biology.[18]
Tautomer of 1-cyclopen-1-olScript error: No such module "Unsubst". |
File:C3H4Oisomer 08.png |
| Cycloprop-1-en-1-ol, cyclopropene alcohol[19] | 81788-95-6 | Tautomer of cyclopropanone; Not synthesizedScript error: No such module "Unsubst". | File:C3H4Oisomer 09.png |
| 2-Cyclopropenol or 1-hydroxy-2-cyclopropeneScript error: No such module "Unsubst". | 81788-94-5 | Not synthesizedScript error: No such module "Unsubst". | File:C3H4Oisomer 10.png |
| 1,2-Epoxypropene or 2-methyloxirene[20] | 2835-41-8 | Synthesized; unstable. Product of ionized diazoacetone; isomerizes "rapidly" to methylketene, acrolein, methoxyethyne, and/or 1-propynol.[21][22] | File:C3H4Oisomer 11.png |
References
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