1-Methylcyclopropene supplier

Name
1-Methylcyclopropene
EINECS
CAS No. 3100-04-7
Article Data32
CAS DataBase
Density 0.838 g/cm³
Solubility
Melting Point 75-76 °C
Formula C₄H₆
Boiling Point 6.8oC at 760 mmHg
Molecular Weight 54.0916
Flash Point
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms 1-MCP;Cyclopropene, 1-methyl-;1-Methylecyclopropene;AFXRD 020;AFXRD 038;EthylBloc;Fitomag;SmartFresh;
PSA 0.00000
LogP 1.33640

Synthetic route

: 563-47-3
3-Chloro-2-methylpropene

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With sodium hydride In toluene at 20 - 30℃; for 2h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere;	92.6%
With lithium diisopropyl amide In mineral oil at 23℃; for 1.5h; Reagent/catalyst; Temperature; Time; Inert atmosphere;	60%
With lithium diisopropyl amide In mineral oil at 23℃; for 1.5h; Inert atmosphere;	60%

: 563-47-3
3-Chloro-2-methylpropene

A: 3100-04-7
Methylcyclopropen

B: 6142-73-0
methylene cyclopropane

Conditions

Conditions	Yield
With sodium amide	A 40% B n/a
With sodium hexamethyldisilazane In tetrahydrofuran at 65℃; Product distribution; Further Variations:; Reagents; Solvents; Temperatures;
With potassium hexamethylsilazane In toluene at -78 - 110℃; for 0.25h; Sealed tube; Reflux; Inert atmosphere;
With sodium amide; sodium t-butanolate In tetrahydrofuran at 65℃; for 9h; Schlenk technique; Inert atmosphere;

: 35911-17-2
1,3-dibromo-2-methylpropene

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With ethanol; zinc at 70℃;

: 39185-82-5
1,1,3,3-tetrachlorobutane

A: 594-11-6
methylcyclopropane

B: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With zinc In N,N-dimethyl-formamide at 25 - 30℃; Title compound not separated from byproducts;	A 8 % Chromat. B 56 % Chromat.
With zinc In N,N-dimethyl-formamide at 25 - 30℃; Product distribution; dechlorination of polychloroalkanes containing -CCl2CH2CCl2- group;	A 8 % Chromat. B 56 % Chromat.

: 21981-33-9
1,1,1,3,3-pentachlorobutane

A: 594-11-6
methylcyclopropane

B: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With zinc In N,N-dimethyl-formamide at 25 - 30℃; Title compound not separated from byproducts;	A 4 % Chromat. B 29 % Chromat.

: 2465-56-7
methylene

: 74-99-7
prop-1-yne

A: 107-00-6
but-1-yne

B: 503-17-3
dimethylacetylene

C: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
Rate constant;

...Expand

: 920-46-7
Methacryloyl chloride

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With sodium amide In ammonia at -78℃;

: 563-47-3
3-Chloro-2-methylpropene

A: 503-17-3
dimethylacetylene

B: 106-99-0
buta-1,3-diene

C: 3100-04-7
Methylcyclopropen

D: 6142-73-0
methylene cyclopropane

Conditions

Conditions	Yield
With sodium amide In tetrahydrofuran Yield given. Yields of byproduct given. Title compound not separated from byproducts;

...Expand

: 653605-61-9
1,2-diiodo-1-methylcyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With ethylene dibromide; zinc In tetrahydrofuran for 20h; Reactivity;
With polymeric reagent In methanol at 20℃; Reactivity;
With potassium tert-butylate; para-thiocresol In DMF (N,N-dimethyl-formamide) at 20℃; for 0.25h; Reactivity;

: 936923-97-6
1-methyl-1-(methanesulfonyloxy)-2-(trimethylsilyl)cyclopropane

A: 420-56-4
trimethylsilyl fluoride

B: 107-46-0
Hexamethyldisiloxane

C: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at -78 - 25℃; Reactivity; Inert atmosphere;

...Expand

: 1-methyl-1-(methanesulfonyloxy)-2-(dimethylbutylsilyl)cyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at -78 - 25℃; Product distribution / selectivity; Inert atmosphere;

: trans-1-methyl-1-(methanesulfonyloxy)-2-(dimethylphenylsilyl)cyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at -78 - 25℃; Product distribution / selectivity; Inert atmosphere;

: 130894-83-6
1,1,2-tribromo-2-methyl-cyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
Stage #1: 1,1,2-tribromo-2-methyl-cyclopropane With n-butyllithium In decane at 20℃; Stage #2: With water In decane

: 936923-97-6
1-methyl-1-(methanesulfonyloxy)-2-(trimethylsilyl)cyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride In diethylene glycol dimethyl ether at 20℃;

: trans-1-methyl-1-(methanesulfonyloxy)-2-(butyldimethylsilyl)cyclopropane

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
With 40% TBAF-DMF; sodium hydroxide at 30℃; for 0.5h; Reagent/catalyst; Temperature; Time;
With tetrabutyl ammonium fluoride In dimethyl sulfoxide at 40℃; for 2h;	92.2 %Chromat.

: 130236-79-2
methylcyclopropenyllithium

: 3100-04-7
Methylcyclopropen

Conditions

Conditions	Yield
In diethyl ether at 0℃; Inert atmosphere;

: phenylmagnesium bromide

: 3100-04-7
Methylcyclopropen

: 2214-14-4
(1-methylcyclopropyl)benzene

Conditions

Conditions	Yield
In diethyl ether at 34℃; for 5h;	95%

: 3100-04-7
Methylcyclopropen

A: 503-17-3
dimethylacetylene

B: 590-19-2
2,3-dimethylbutene

C: 106-99-0
buta-1,3-diene

Conditions

Conditions	Yield
With sulfur(VI) hexafluoride at 230.2℃; under 20.5 Torr; for 1.5h; Product distribution; Rate constant; Kinetics; var. time, var. pressure;	A 91.31% B 1.84% C 6.85%
Product distribution; Quantum yield; Irradiation;
In gas under 0.1 - 6 Torr; Mechanism; Product distribution; Irradiation;

...Expand

: 54129-78-1
Dithiooxalsaeure-O,O'-dimethylester

: 3100-04-7
Methylcyclopropen

: 76619-14-2
3,4-Dimethoxy-1-methyl-2,5-dithiabicyclo<4.1.0>hept-3-en

Conditions

Conditions	Yield
In tetrachloromethane	90%

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

: 3100-04-7
Methylcyclopropen

: 2-methyl-endo-tricyclo<3.2.1.02,4>oct-6-ene

Conditions

Conditions	Yield
	90%

: 3100-04-7
Methylcyclopropen

: 105842-98-6
(E)-2-methyl-3-bromo-2-propenyl acetate

Conditions

Conditions	Yield
With N-Bromosuccinimide Ambient temperature;	86%
With N-Bromosuccinimide In acetic acid at 18℃;	70%

: 88396-07-0
6,7,8,9-Tetrahydro-5H-cyclohepta-1,2,4-triazin-3-carbonsaeure-methylester

: 3100-04-7
Methylcyclopropen

: 88382-15-4
3-Methyl-4,6,7,8,9,10-hexahydrocycloheptaazepin-2-carbonsaeure-methylester

Conditions

Conditions	Yield
In chloroform for 6h;	84%

: 3100-04-7
Methylcyclopropen

: 91989-11-6
(E)-2-methyl-3-chloro-2-propenyl acetate

Conditions

Conditions	Yield
With tert-butylhypochlorite Ambient temperature;	84%

: 2166-14-5
1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester

: 3100-04-7
Methylcyclopropen

: dimethyl exo,exo-2,6-dimethyl-9,10-diazatetracyclo[3.3.2.02.4.06.8]dec-9-ene-1,5-dicarboxylate

Conditions

Conditions	Yield
In dichloromethane at 20℃;	75%

: 528-76-7
2,4-dinitrobenzenesulfenyl chloride

: 3100-04-7
Methylcyclopropen

A: 76281-09-9
2-methyl-3-chloro-1-(2,4-dinitrophenylthio)-1-propene

B: 81651-95-8
1-methyl-1-chloro-2-(2,4-dinitrophenylthio)cyclopropane

Conditions

Conditions	Yield
lithium perchlorate In acetic acid	A 11% B 74%
In acetic acid for 1.5h; Ambient temperature;

...Expand

: 88382-18-7
7-Oxo-7H-cyclohepta-1,2,4-triazin-3-carbonsaeure-methylester

: 3100-04-7
Methylcyclopropen

: 88382-19-8
3a-Methyl-6-oxo-2a,3,3a,6-tetrahydrocycloheptacyclopropapyridin-2-carbonsaeure-methylester

Conditions

Conditions	Yield
In chloroform	74%

: 1671-87-0
3,6-di(2'-pyridyl)-1,2,4,5-tetrazine

: 3100-04-7
Methylcyclopropen

: 1-methyl-2,5-bis(2-pyridyl)-3,4-diazanorcaradiene

Conditions

Conditions	Yield
In dichloromethane; toluene at -78 - 20℃;	63%

: 3100-04-7
Methylcyclopropen

: 2,5-bis(2-pyridyl)-3,4-diazanorcaradiene

: exo,exo-2-methyl-1,5-bis(2-pyridyl)-9,10-diazatetracyclo[3.3.2.02.4.06.8]dec-9-ene

Conditions

Conditions	Yield
In dichloromethane; toluene at -78℃; than 20 deg C, 4 h;	63%

: 93768-65-1
2,5-dimethyl-3,4-diphenyl-thiophene-1,1-dioxide

: 3100-04-7
Methylcyclopropen

: 93768-66-2
3,4-diphenyl-1,2,5-trimethyl-1,3,5-cycloheptatriene

Conditions

Conditions	Yield
In dichloromethane for 4h; Ambient temperature;	53%

: 3100-04-7
Methylcyclopropen

: 7-methyl-2,5-bis(2-pyridyl)-3,4-diazanorcaradiene

: exo,exo-3,6-dimethyl-1,5-bis(2-pyridyl)-9,10-diazatetracyclo[3.3.2.02.4.06.8]dec-9-ene

Conditions

Conditions	Yield
In dichloromethane at -78 - 20℃;	48%

: 3100-04-7
Methylcyclopropen

: 1-methyl-2,5-bis(2-pyridyl)-3,4-diazanorcaradiene

: exo,exo-2,6-dimethyl-1,5-bis(2-pyridyl)-9,10-diazatetracyclo[3.3.2.02.4.06.8]dec-9-ene

Conditions

Conditions	Yield
In dichloromethane; toluene at -78 - 20℃;	43%

: 3100-04-7
Methylcyclopropen

: 35883-53-5
5,6-Diphenyl-1,2,4-triazin-3-carbonsaeure-methylester

A: 25872-26-8
3-methyl-6,7-diphenyl-4H-azepine-2-carboxylic acid methyl ester

B: 25872-28-0
5-methyl-6,7-diphenyl-4H-azepine-2-carboxylic acid methyl ester

Conditions

Conditions	Yield
at 20℃;	A 17% B 42%

...Expand

: 7445-60-5
bis(trifluoromethyl)thioketene

: 3100-04-7
Methylcyclopropen

: 33830-64-7
1-Methyl-3-(3,3,3-trifluoro-2-trifluoromethyl-propenylsulfanyl)-cyclopropene

Conditions

Conditions	Yield
In dichloromethane 0°C;	31%
In dichloromethane 0°C;	31%

: 98171-26-7
6-Oxo-5-phenyl-6H-[1,3,4]oxadiazine-2-carboxylic acid methyl ester

: 3100-04-7
Methylcyclopropen

A: 127280-55-1
4,7-Dihydro-3-methyl-7-oxo-6-phenyloxepin-2-carbonsaeure-methylester

B: 127280-54-0
4,7-Dihydro-5-methyl-7-oxo-6-phenyloxepin-2-carbonsaeure-methylester

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 3h; Yield given. Title compound not separated from byproducts;	A n/a B 28%
In tetrahydrofuran at 20℃; for 3h; Yields of byproduct given;	A n/a B 28%
at 20℃; Yield given. Yields of byproduct given;

...Expand

: 88382-18-7
7-Oxo-7H-cyclohepta-1,2,4-triazin-3-carbonsaeure-methylester

: 3100-04-7
Methylcyclopropen

: 88396-05-8
5-Methylen-8-oxo-1,4,5,8-tetrahydro-1-azaheptalen-2-carbonsaeure-methylester

Conditions

Conditions	Yield
In chloroform for 12h;	28%

1-Methylcyclopropene Chemical Properties

Molecule structure of 1-Methylcyclopropene (CAS NO.3100-04-7):

IUPAC Name: 1-Methylcyclopropene
Molecular Weight: 54.09044 g/mol
Molecular Formula: C₄H₆
Density: 0.838 g/cm³
Index of Refraction: 1.474
Molar Refractivity: 18.14 cm³
Molar Volume: 64.5 cm³
Surface Tension: 25 dyne/cm
XLogP3-AA: 1
Exact Mass: 54.04695
MonoIsotopic Mass: 54.04695
Canonical SMILES: CC1=CC1
InChI: InChI=1S/C4H6/c1-4-2-3-4/h2H,3H2,1H3
InChIKey: SHDPRTQPPWIEJG-UHFFFAOYSA-N

1-Methylcyclopropene Uses

1-Methylcyclopropene (CAS NO.3100-04-7) is used commercially to slow down the ripening of fruit and to help maintain the freshness of cut flowers.

1-Methylcyclopropene Specification

1-Methylcyclopropene (CAS NO.3100-04-7) is also named as 1-MCP ; EPA Pesticide Chemical Code 224459 ; EthylBloc ; HSDB 7517 ; MCP ; SmartFresh ; Cyclopropene, 1-methyl- . 1-Methylcyclopropene (CAS NO.3100-04-7) is a volatile gas at standard temperature and pressure with a boiling point of ~12 °C.

Product Name

1-Methylcyclopropene

Synthetic route

1-Methylcyclopropene Chemical Properties

1-Methylcyclopropene Uses

1-Methylcyclopropene Specification

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