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Name	Cyclopentanecarbaldehyde	EINECS	212-829-7
CAS No.	872-53-7	Density	1.029 g/cm³
PSA	17.07000	LogP	1.37550
Solubility	Soluble in water and ethanol	Melting Point	N/A
Formula	C₆H₁₀O	Boiling Point	133.3 °C at 760 mmHg
Molecular Weight	98.1448	Flash Point	36 °C
Transport Information	UN 1989 3/PG 3	Appearance	clear colorless to light yellow liquid
Safety	16-26-36	Risk Codes	10-36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Cyclopentylformaldehyde;Formylcyclopentane;NSC 17492;Cyclopentyl aldehyde;Cyclopentanealdehyde;Cyclopentanecarboxaldehyde;	Article Data	153

Cyclopentanecarbaldehyde Synthetic route

: 89848-73-7
Sodium; 1-oxa-spiro[2.4]heptane-2-carboxylate

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With sulfuric acid stream of steam under a carbon dioxide atmosphere;	100%

: 286-20-4
cyclohexane-1,2-epoxide

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With erbium(III) triflate In dichloromethane for 5h; Heating;	99%
With thorium dioxide at 330℃;
With phthalic anhydride
With magnesium bromide ethyl etherate Verdampfen des Aethers und Zersetzen des Reaktionsprodukts mit Wasser;
With aluminum oxide; lithium bromide In toluene for 2h; Heating;

: 201230-82-2
carbon monoxide

: 542-92-7
cyclopenta-1,3-diene

A: 872-53-7
cyclopentanealdehyde

B: 287-92-3
Cyclopentane

Conditions

Conditions	Yield
With hydrogen; N-dodecyl-N-(2-hydroxyethyl)-N,N-dimethylammonium bromide; {Rh(cod)[μ-S(CH2)3Si(OMe)3]}2; triphenylphosphine In water; butan-1-ol at 80℃; under 10350.8 Torr; for 15h; microemulsion/sol-gel;	A 98.5% B 1.5%

: 110-83-8
cyclohexene

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
Stage #1: cyclohexene With ammonium iodide; water; sodium dodecyl-sulfate for 0.5h; Stage #2: With Oxone at 20℃; for 0.13h; regioselective reaction;	95%
With iodobenzene complex with boron trifluoride etherate In dichloromethane at -15 - -10℃; for 0.25h;	60%
With iodosylbenzene; sulfuric acid for 72h; Ambient temperature;	44%

: 3400-45-1
cyclopentanecarboxylic acid

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With thexylchloroborane-Me2SO4 In dichloromethane for 0.25h; Ambient temperature;	89%
Multi-step reaction with 2 steps 1: lithium aluminium hydride / diethyl ether 2: pyridinium chlorochromate View Scheme

: 36601-82-8
N′-(cyclopentylmethylene)-4-methylbenzenesulfonohydrazide

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With Cr-MCM-41 zeolite on silica gel for 0.116667h; microwave irradiation;	88%

: 70341-45-6
cyclopentanecarbaldehyde oxime

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With Cr-MCM-41 zeolite on silica gel for 0.133333h; microwave irradiation;	86%

: 110-83-8
cyclohexene

A: 872-53-7
cyclopentanealdehyde

B: 108-94-1
cyclohexanone

C: 822-67-3
Cyclohex-2-enol

Conditions

Conditions	Yield
With dipotassium peroxodisulfate; copper(II) sulfate In water; acetonitrile at 60℃; for 6h;	A 80% B 2% C 7%

: 3637-61-4
1-amino-cyclopentanemethanol

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
With Celite; pyridinium chlorochromate In dichloromethane at 20℃; for 16h;	78%
With dipyridinium dichromate In dichloromethane for 24h; Ambient temperature;	10%
With copper oxide-chromium oxide catalyst at 300℃;

: 2591-86-8
N-Formylpiperidine

: 33240-34-5
cyclopentylmagnesium bromide

: 872-53-7
cyclopentanealdehyde

Conditions

Conditions	Yield
In diethyl ether for 15h; Ambient temperature;	72%

Cyclopentanecarbaldehyde Chemical Properties

Molecule structure of Cyclopentanecarbaldehyde (CAS NO.872-53-7):

IUPAC: Cyclopentanecarbaldehyde
Molecular Weight: 98.143 g/mol
Molecular Formula: C₆H₁₀O
Density: 0.919 g/mL at 25 °C(lit.)
Boiling Point: 140-141 °C(lit.)
Flash Point: 36 °C
Index of Refraction: 1.535
Molar Refractivity: 29.66 cm³
Molar Volume: 95.2 cm³
Polarizability: 11.76×10^-24 cm³
Surface Tension: 37 dyne/cm
Enthalpy of Vaporization: 37.08 kJ/mol
Vapour Pressure: 8.51 mmHg at 25 °C
XLogP3-AA: 1.3
H-Bond Acceptor: 1
Rotatable Bond Count: 1
Tautomer Count: 2
Exact Mass: 98.073165
MonoIsotopic Mass: 98.073165
Topological Polar Surface Area: 17.1
Heavy Atom Count: 7
Complexity: 62.6
Canonical SMILES: C1CCC(C1)C=O
InChI: InChI=1S/C6H10O/c7-5-6-3-1-2-4-6/h5-6H,1-4H2
InChIKey: VELDYOPRLMJFIK-UHFFFAOYSA-N
EINECS 212-829-7
Product Categories: Cycloalkanes; Aldehydes; C1 to C6; Carbonyl Compounds

Cyclopentanecarbaldehyde Uses

Cyclopentanecarbaldehyde (CAS NO.872-53-7) is used as an important pharmaceutical intermediate.

Cyclopentanecarbaldehyde Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 10-36/37/38
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36
S16:Keep away from sources of ignition.
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

Cyclopentanecarbaldehyde Specification

Cyclopentanecarbaldehyde (CAS NO.872-53-7) is clear colorless to light yellow liquid.

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