CAS No.120-92-3,Cyclopentanone Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	120-92-3
Name:	Cyclopentanone
Article Data:	679

Formula:	C₅H₈O
Molecular Weight:	84.1179
Synonyms:	Adipicketone;Adipin keton;Dumasin;Ketocyclopentane;Ketopentamethylene;NSC 4122;
EINECS:	204-435-9
Density:	0.987 g/cm³
Melting Point:	-51 °C
Boiling Point:	130.457 °C at 760 mmHg
Flash Point:	30.556 °C
Solubility:	practically insoluble in water
Appearance:	colourless liquid
Hazard Symbols:	Xi
Risk Codes:	10-36/38
Safety:	23
Transport Information:	UN 2245 3/PG 3
PSA:	17.07000
LogP:	1.12950

Synthetic route

: 96-41-3
Cyclopentanol

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With water; nickel dibromide; dibenzoyl peroxide In N,N-dimethyl acetamide at 60℃; for 3h;	100%
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In hexane for 20h; Solvent; Reflux;	100%
With allyl methyl carbonate; dihydridotetrakis(triphenylphosphine)ruthenium In toluene at 100℃; for 13h;	99%

: 142-29-0
cyclopentene

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; palladium(II) sulfate; PdSO4-H3PMo6W6O40 In cyclohexane; water at 30℃; for 6h;	100%
With oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h;	100%
With palladium(II) sulfate; oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h; Product distribution; Rate constant; other time, other Pd(II) salt, other concentration of catalyst;	100%

: 930-30-3
cyclopent-2-enone

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With limonene.; palladium on activated charcoal for 0.5h; Heating;	100%
With hydrogen; SC-1 Ni2B In methanol at 25℃; under 760 Torr; for 24h;	100%
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 0.5h; Ambient temperature;	99%

: 1192-28-5
Cyclopentanone oxime

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With bis(1-CH2Ph-3,5,7-3N-1-N(1+)tricyclo[3.3.1.13,7]decaneS2O8 In acetonitrile for 0.0583333h; Oxidation; Heating;	100%
With potassium permanganate In water; acetonitrile at 25℃; for 1h;	96%
With dihydrogen peroxide; tripropylammonium fluorochromate (VI) In acetone at 0 - 10℃; for 2.5h;	96%

: Sodium; 6-cyclopentylideneamino-hexanoate

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogenchloride for 0.0416667h; Product distribution; Ambient temperature; pH = 4-6, regeneration of aldehyde;	100%

: 137-43-9
Cyclopentyl bromide

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With oxygen; kieselguhr; copper(l) chloride In hexane for 2.5h; Oxidation; Heating;	99%

: 85895-34-7
1,1-Bis(phenylthio)cyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 20 - 25℃; for 2h; Irradiation;	98%

: 98-01-1
furfural

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogen In water at 160℃; under 30003 Torr; for 7h; Automated synthesizer;	98%
With hydrogen In water at 160℃; under 30003 Torr; for 2.5h; Reagent/catalyst; Temperature; Pressure; Autoclave;	96%
With hydrogen In water at 150℃; under 30003 Torr; for 6h; Reagent/catalyst; Autoclave;	95%

: 287-92-3
Cyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With hydrogenchloride; FeH6Mo6O24(3-)3H3N3H(1+)*7H2O; tetrabutylammomium bromide; dihydrogen peroxide In 1,4-dioxane; water at 85℃; for 24h;	96%
With [Fe4III(μ-O)2(μ-acetate)6(2,2'-bipyridine)2(H2O)2](NO3-)(OH-); dihydrogen peroxide; acetic acid In water; acetonitrile at 32℃; for 3h; Catalytic behavior;	60%
With dihydrogen peroxide; vanadium phosphorus oxide In acetonitrile at 50℃; for 20h;	48%

: 2562-38-1
nitrocyclopentane

: 120-92-3
cyclopentanone

Conditions

Conditions	Yield
With sodium perborate at 70℃; for 3h; Ionic liquid;	95%
With bis-trimethylsilanyl peroxide; sodium hydride In tetrahydrofuran at 20℃; for 24h; Hydrolysis;	65%

Raw Materials

110-62-3

702-75-0

108-94-1

Downstream Products

930-30-3

945-51-7

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Specification

The Cyclopentanone, with the CAS registry number 120-92-3 and EINECS registry number 204-435-9, is a clear colorless liquid with a petroleum-like odor. It belongs to the following product categories: Pharmaceutical Intermediates; Organics; Alpha Sort; C; Volatiles/ Semivolatiles; C3 to C6; Carbonyl Compounds; Ketones; Alphabetical Listings; C-D; Flavors and Fragrances. And the molecular formula of the chemical is C₅H₈O. What's more, it is commonly used as a thinner for various epoxies used in MEMS fabrication, such as SU-8.

The physical properties of Cyclopentanone are as followings: (1)ACD/LogP: 0.29; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.293; (4)ACD/LogD (pH 7.4): 0.293; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 34.405; (8)ACD/KOC (pH 7.4): 34.405; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 17.07 Å²; (13)Index of Refraction: 1.457; (14)Molar Refractivity: 23.189 cm³; (15)Molar Volume: 85.214 cm³; (16)Polarizability: 9.193×10^-24cm³; (17)Surface Tension: 34.01 dyne/cm; (18)Density: 0.987 g/cm³; (19)Flash Point: 30.556 °C; (20)Enthalpy of Vaporization: 36.35 kJ/mol; (21)Boiling Point: 130.457 °C at 760 mmHg; (22)Vapour Pressure: 9.702 mmHg at 25°C.

Preparation of Cyclopentanone: This chemical can be prepared by adipate in the presence of baryta with heating.

Uses of Cyclopentanone: It can react with pyrrolidine to produce 1-cyclopent-1-enyl-pyrrolidine. This reaction will need reagent methyl iodide and bis(trimethylsilyl)acetamide, and the menstruum petroleum ether. The reaction time is 1.5 hours with temperature of 40-50°C, and the yield is about 82%.

You should be cautious while dealing with this chemical. It is a kind of flammble chemical which irritates to eyes and skin. Therefore, you had better not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer).

You can still convert the following datas into molecular structure:
(1)SMILES: C1CCC(=O)C1
(2)InChI: InChI=1/C5H8O/c6-5-3-1-2-4-5/h1-4H2
(3)InChIKey: BGTOWKSIORTVQH-UHFFFAOYAP

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
frog	LDLo	subcutaneous	3gm/kg (3000mg/kg)	BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) SKIN AND APPENDAGES (SKIN): SWEATING: OTHER AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC	Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 50, Pg. 199, 1903.
mammal (species unspecified)	LD50	oral	2gm/kg (2000mg/kg)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988.
mouse	LD50	intraperitoneal	1950mg/kg (1950mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: COMA	Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 254, Pg. 2245, 1962.
mouse	LDLo	subcutaneous	2600mg/kg (2600mg/kg)	LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES BEHAVIORAL: COMA AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC	Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 50, Pg. 199, 1903.
rat	LC50	inhalation	19500mg/m3 (19500mg/m3)	LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES LUNGS, THORAX, OR RESPIRATION: DYSPNEA LIVER: OTHER CHANGES	National Technical Information Service. Vol. OTS0572861,