1,2-Dimethylcyclopropane

Base Information

• Chemical Name: 1,2-Dimethylcyclopropane
• CAS No.: 2511-95-7
• Molecular Formula: C5H10
• Molecular Weight: 70.1344
• Hs Code.: 2902199090
• DSSTox Substance ID: DTXSID00870801
• Nikkaji Number: J1.845.747D
• Wikipedia: 1,2-Dimethylcyclopropane
• Wikidata: Q3555603
• Mol file: 2511-95-7.mol

Synonyms:1,2-dimethylcyclopropane;cis-1,2-dimethylcyclopropane;trans-1,2-dimethylcyclopropane

Chemical Property of 1,2-Dimethylcyclopropane

Chemical Property:

• Vapor Pressure: 598mmHg at 25°C
• Boiling Point: 31.7°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.752g/cm³
• LogP: 1.66230
• XLogP3: 2.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 70.078250319
• Heavy Atom Count: 5
• Complexity: 33.3

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CC1C

Technology Process of 1,2-Dimethylcyclopropane

There total 7 articles about 1,2-Dimethylcyclopropane 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: 4.0%

ethanol (64-17-5) + 2,2,4,4-tetrachloropentane (69537-69-5) → 2,3-dimethyl-3-ethoxy-1-propene (75980-13-1) + 1,2-dimethyl-cyclopropane (2511-95-7) + 2-Methyl-1-butene (563-46-2) + 1-chloro-1,2-dimethylcyclopropane (75980-12-0) + 1,2-dichloro-1,2-dimethylcyclopropane (75980-11-9) + 2-pentene (109-68-2)

Guidance literature:

With iodine; zinc; In water; for 0.666667h; Product distribution; Heating; influence of method of activating Zn;

DOI:10.1007/BF00950582

Reference yield:

C19H24O6S2 → 2-methyl-but-2-ene (513-35-9) + 1-penten (109-67-1) + 1,2-dimethyl-cyclopropane (2511-95-7) + 2-Methyl-1-butene (563-46-2) + 3-Methyl-1-butene (563-45-1)

Guidance literature:

With sodium carbonate; sodium iodide; zinc; In various solvent(s); at 170 - 175 ℃; Product distribution; Mechanism; other 1,3-ditosylated also deuterated;

DOI:10.1016/S0022-328X(00)85522-9

Reference yield:

methanol (67-56-1) → 1-methylcyclohex-1-ene (591-49-1) + 2-methyl-but-2-ene (513-35-9) + 3-methyl-2-pentene (922-61-2) + 5,5-dimethyl-1,3-hexadiene (1515-79-3) + 3,5-dimethylcyclohexene (823-17-6) + 1,2-dimethyl-cyclopropane (2511-95-7) + methyl-cyclopentane (96-37-7) + cis-1,2,3,3,-tetramethylcyclopropane (74752-93-5) + 1,3-dimethylcyclohexene (2808-76-6) + 4-methyl-1-methylidenecyclohexane (2808-80-2) + 1-methyl-2-methylene-cyclopentane (41158-41-2) + methyl cyclohexane (82166-21-0)

Guidance literature:

With HZSM-5 zeolite nanocatalyst; at 300 ℃; for 2.6h; Flow reactor;

DOI:10.1002/aoc.4133

upstream raw materials:

ethanol

2,2,4,4-tetrachloropentane

cis-2,3-dimethylcyclobutanone

isopropyl alcohol