526037

Cyclopentanecarboxaldehyde

95%

• Synonym(s): Cyclopentanealdehyde, Cyclopentanecarbaldehyde, Cyclopentyl aldehyde, Cyclopentylformaldehyde, Formylcyclopentane
• Linear Formula: C₅H₉CHO
• CAS Number: 872-53-7
• Molecular Weight: 98.14
• MDL number: MFCD00060798
• UNSPSC Code: 12352100
• PubChem Substance ID: 24874526
• NACRES: NA.22

Properties

• Assay: 95%
• contains: 0.1% hydroquinone as stabilizer
• refractive index: n20/D 1.4430 (lit.)
• bp: 140-141 °C (lit.)
• density: 0.919 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: [H]C(=O)C1CCCC1
• InChI: 1S/C6H10O/c7-5-6-3-1-2-4-6/h5-6H,1-4H2
• InChI key: VELDYOPRLMJFIK-UHFFFAOYSA-N

Description

General description

Cyclopentanecarboxaldehyde can be prepared from cyclohexene, via copper-catalyzed oxidation with persulfate. It can also be synthesized from mercuric sulfate and cyclohexene.

Application

Cyclopentanecarboxaldehyde may be used in the synthesis of:

• D,L-trans-2-cyclopentylmethylene-1-nitroso-1-(2-hydroxycyclohexyl)hydrazine
• ethyl 5-cyclopentyl-5-hydroxy-2-pentenoate
• ethyl 3-cyclo entyl-3-hydroxy-2-vinylpropanoate

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319,H335,H412
• Precautionary Statements: P210 - P233 - P240 - P273 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 82.9 °F - closed cup
• Flash Point(C): 28.3 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves