| | Identification | More |  | [Name] 
 Cyclopentanecarbaldehyde
 |  | [CAS] 
 872-53-7
 |  | [Synonyms] 
 CYCLOPENTANECARBALDEHYDE
 CYCLOPENTANECARBOXALDEHYDE
 CYCLOPENTYLCARBALDEHYDE
 CYCLOPENTYLMETHANAL
 RARECHEM AK ML 0065
 Cyclopentanealdehyde
 Cyclopentyl aldehyde
 Cyclopentylformaldehyde
 Formylcyclopentane
 CYCLOPENTANCARBALDEHYDE
 Cyclopentane-1-carbaldehyde
 |  | [EINECS(EC#)] 
 212-829-7
 |  | [Molecular Formula] 
 C6H10O
 |  | [MDL Number] 
 MFCD00060798
 |  | [Molecular Weight] 
 98.14
 |  | [MOL File] 
 872-53-7.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 Clear colorless to light yellow liquid
 |  | [Boiling point ] 
 140-141 °C (lit.)
 |  | [density ] 
 0.919 g/mL at 25 °C(lit.)
 
 |  | [refractive index ] 
 n20/D 1.4430(lit.)
 
 |  | [Fp ] 
 83 °F
 
 |  | [storage temp. ] 
 2-8°C
 |  | [solubility ] 
 soluble in Chloroform
 |  | [form ] 
 Liquid
 |  | [color ] 
 Clear colorless to light yellow
 |  | [Water Solubility ] 
 Soluble in water and ethanol
 |  | [Exposure limits] 
 ACGIH: TWA 0.1 ppm
 OSHA: TWA 0.1 ppm(0.4 mg/m3)
 NIOSH: IDLH 100 mg/m3; TWA 0.1 ppm(0.4 mg/m3)
 |  | [InChI] 
 InChI=1S/C6H10O/c7-5-6-3-1-2-4-6/h5-6H,1-4H2
 |  | [InChIKey] 
 VELDYOPRLMJFIK-UHFFFAOYSA-N
 |  | [SMILES] 
 C1(C=O)CCCC1
 |  | [CAS DataBase Reference] 
 872-53-7(CAS DataBase Reference)
 |  | [NIST Chemistry Reference] 
 Cyclopentanecarboxaldehyde(872-53-7)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 R10:Flammable.
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [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 .
 |  | [RIDADR ] 
 UN 1989 3/PG 3
 
 |  | [WGK Germany ] 
 3
 
 |  | [HazardClass ] 
 3
 |  | [PackingGroup ] 
 III
 |  | [HS Code ] 
 29122990
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Clear colorless to light yellow liquid
 |  | [Uses] 
 
 Cyclopentanecarboxaldehyde may be used in the synthesis of:
 D,L-trans-2-cyclopentylmethylene-1-nitroso-1-(2-hydroxycyclohexyl)hydrazineethyl 5-cyclopentyl-5-hydroxy-2-pentenoateethyl 3-cyclo entyl-3-hydroxy-2-vinylpropanoate
 |  | [Synthesis Reference(s)] 
 Journal of the American Chemical Society, 96, p. 1623, 1974 DOI: 10.1021/ja00812a074
 Synthesis, p. 395, 1988
 Tetrahedron Letters, 11, p. 5275, 1970
 |  | [General Description] 
 
 Cyclopentanecarboxaldehyde can be prepared from cyclohexene, via copper-catalyzed oxidation with persulfate. It can also be synthesized from mercuric sulfate and cyclohexene. | 
 |  |