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Cas Database |
| Name |
1-Methylcyclopropene |
EINECS | N/A |
| CAS No. | 3100-04-7 | Density | 0.838 g/cm3 |
| PSA | 0.00000 | LogP | 1.33640 |
| Solubility | N/A | Melting Point |
75-76 °C |
| Formula | C4H6 | Boiling Point | 6.8oC at 760 mmHg |
| Molecular Weight | 54.0916 | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
1-MCP;Cyclopropene, 1-methyl-;1-Methylecyclopropene;AFXRD 020;AFXRD 038;EthylBloc;Fitomag;SmartFresh; |
Article Data | 32 |
1-Methylcyclopropene Synthetic route
| 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% |
| 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 | Yield |
|---|---|
| With ethanol; zinc at 70℃; |
| 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. |
| 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 | Yield |
|---|---|
| Rate constant; |
| 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 | Yield |
|---|---|
| With sodium amide In tetrahydrofuran Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
- 653605-61-9
1,2-diiodo-1-methylcyclopropane
- 3100-04-7
Methylcyclopropen
| 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 | Yield |
|---|---|
| With tetrabutyl ammonium fluoride In dimethyl sulfoxide at -78 - 25℃; Reactivity; Inert atmosphere; |
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.
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