Succinaldehyde

Succinaldehyde
Names
	Preferred IUPAC name Butanedial
	Other names Succinaldehyde
Identifiers
CAS Number	638-37-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	12007;
ECHA InfoCard	100.010.304
PubChem CID	12524;
UNII	0503177591 ;
CompTox Dashboard (EPA)	DTXSID3021514 ;
	InChI InChI=1S/C4H6O2/c5-3-1-2-4-6/h3-4H,1-2H2;
	SMILES O=CCCC=O;
Properties
Chemical formula	C4H6O2
Molar mass	86.09
Appearance	colourless liquid
Density	1.064 g/cm3
Boiling point	58 °C (136 °F; 331 K) at 9 mm Hg
Solubility in water	with hydration
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Succinaldehyde or succindialdehyde is an organic compound with the formula (CH₂CHO)₂. Typical of other dialdehydes, succinaldehyde is highly reactive. Usually, it is handled as the hydrates or methanol-derived acetal. It is a precursor to tropinone.[1] It is used as a crosslinking agent but is less widely used than the related dialdehyde glutaraldehyde.

Preparation

2,5-Dihydroxytetrahydrofuran, the hydrated form of succinaldehyde.

Succinaldehyde is generated by the oxidation of THF with chlorine followed by hydrolysis and by the hydroformylation of acrolein derivatives.

In aqueous solution, the molecule hydrates and cyclizes.[2] In methanol it converts to the cyclic acetal, 2,5-dimethoxyltetrahydrofuran.[3]

References

U.S. Patent 2,710,883
Hardy, P. M.; Nicholls, A. C.; Rydon, H. N. (1972). "The Hydration and Polymerisation of Succinaldehyde, Glutaraldehyde, and Adipaldehyde". Journal of the Chemical Society, Perkin Transactions 2 (15): 2270. doi:10.1039/P29720002270.
Christian Kohlpaintner, Markus Schulte, Jürgen Falbe, Peter Lappe, Jürgen Weber (2008). "Aldehydes, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a01_321.pub2.CS1 maint: uses authors parameter (link)

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[1] U.S. Patent 2,710,883

[2] Hardy, P. M.; Nicholls, A. C.; Rydon, H. N. (1972). "The Hydration and Polymerisation of Succinaldehyde, Glutaraldehyde, and Adipaldehyde". Journal of the Chemical Society, Perkin Transactions 2 (15): 2270. doi:10.1039/P29720002270.

[3] Christian Kohlpaintner, Markus Schulte, Jürgen Falbe, Peter Lappe, Jürgen Weber (2008). "Aldehydes, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a01_321.pub2.CS1 maint: uses authors parameter (link)