1-Methylcyclopentene

Base Information

• Chemical Name: 1-Methylcyclopentene
• CAS No.: 693-89-0
• Molecular Formula: C6H10
• Molecular Weight: 82.1454
• Hs Code.: 29021990
• European Community (EC) Number: 211-762-0
• NSC Number: 64657
• UNII: V03M1DZC9I
• DSSTox Substance ID: DTXSID50870755
• Nikkaji Number: J22.894J
• Wikidata: Q24736866
• Mol file: 693-89-0.mol

Synonyms:1-METHYLCYCLOPENTENE;1-Methyl-1-cyclopentene;693-89-0;Cyclopentene, 1-methyl-;Cyclopentene, methyl-;Methylcyclopentene;1-methylcyclopent-1-ene;27476-50-2;UNII-V03M1DZC9I;V03M1DZC9I;methyl-cyclopentene;EINECS 211-762-0;NSC 64657;NSC-64657;1-methylcyclopentene-1;Cyc1opentene,l-methyl-;1-Methyl-1-cyclopentane;1-Cyclopentene, 1-methyl;1-Methylcyclopentene, 98%;AMY6023;DTXSID50870755;NSC64657;MFCD00001397;AKOS015842607;FT-0608030;M0727;EN300-78632;A836472;W-104632;Q24736866

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Chemical Property of 1-Methylcyclopentene

Chemical Property:

• Appearance/Colour: clear colourless liquid
• Vapor Pressure: 103mmHg at 25°C
• Melting Point: -142 °C
• Refractive Index: n20/D 1.432
• Boiling Point: 78.4 °C at 760 mmHg
• Flash Point: 75-77 °C
• PSA: 0.00000
• Density: 0.821 g/cm³
• LogP: 2.11660
• Storage Temp.: Flammables area
• XLogP3: 1.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 82.078250319
• Heavy Atom Count: 6
• Complexity: 70.1

Purity/Quality:

Safty Information:

• Pictogram(s): F, Xn
• Hazard Codes: F,Xn
• Statements: 11-65
• Safety Statements: 16-62-7

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CC1=CCCC1
• Uses: 1-Methylcyclopentene can be used as:A probe molecule in the synthesis of alkenyl carbenium ions via adsorption on zeolite Y.A model olefin compound in the kinetic study of hydrogenation of olefins using various catalytic systems.A reactant to synthesize 1,2,3-trisubstituted?benzocyclopentenes by reacting with β-disulfonyl iodonium ylides.

Technology Process of 1-Methylcyclopentene

There total 110 articles about 1-Methylcyclopentene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.0%

methyllithium (917-54-4) + cyclopentanone (120-92-3) → 1-methylcyclopent-1-ene (693-89-0)

Guidance literature:

methyllithium; cyclopentanone; at -10 - 0 ℃; for 0.5h;

With toluene-4-sulfonic acid; In 1,2-dichloro-ethane; Reflux;

Reference yield: 57.0%

1,5-Hexadien (592-42-7) → (E,Z)-2,4-hexadiene (5194-50-3) + (E)-1,4-hexadiene (7319-00-8) + methylenecyclopentane (1528-30-9) + 1-methylcyclopent-1-ene (693-89-0)

Guidance literature:

With isopropylmagnesium bromide; bis(cyclopentadienyl)titanium dichloride; In diethyl ether; at 20 ℃; for 3h; Further byproducts given. Yields of byproduct given;

Reference yield: 13.0%

D-sorbitol (50-70-4) → 1-methylcyclopent-1-ene (693-89-0)

Guidance literature:

With formaldehyd; ruthenium (III) bromide; hydrogen bromide; hydrogen; tetrabutyl phosphonium bromide; In water; at 200 ℃; for 8h; under 30003 Torr;

upstream raw materials:

quinoline

1-bromo-1-methyl-cyclopentane

methyl magnesium iodide

1-chloro-1-methylcyclopentane

Downstream raw materials:

4-Methyl-2-(1-methyl-cyclopentyl)-phenol

(+/-)-trans-2-methyl-cyclopentanethiol

(+/-)-cis-2-methyl-cyclopentanethiol

1,2-epoxy-1-methylcyclopentane