3,8-p-Menthadiene

Base Information

• Chemical Name: 3,8-p-Menthadiene
• CAS No.: 586-67-4
• Molecular Formula: C10H16
• Molecular Weight: 136.237
• Mol file: 586-67-4.mol

Synonyms:mentha-3,8-diene;p-Mentha-3,8-diene;Cyclohexene,4-methyl-1-(1-methylethenyl);menthadiene-3,8;3,8-p-menthadiene;p-mentha-3,8(9)-diene;

Chemical Property of 3,8-p-Menthadiene

Chemical Property:

• Vapor Pressure: 0.919mmHg at 25°C
• Boiling Point: 186.2oC at 760 mmHg
• Flash Point: 50.6oC
• PSA: 0.00000
• Density: 0.834g/cm3
• LogP: 3.30890

Purity/Quality:

99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,8-p-Menthadiene

There total 35 articles about 3,8-p-Menthadiene 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: 21.4%

3,7-dimethyl-oct-6-enal (106-23-0,26489-02-1) → 7-methyl-3-methene-1,6-octadiene (123-35-3) + 1-methyl-4-isopropyl-1,3-cyclohexadiene (99-86-5) + 3,8-p-Menthadien (586-67-4) + 3-p-menthene (500-00-5) + (+/-)-menthone (491-07-6,1074-95-9,1196-31-2,3391-87-5,10458-14-7,14073-97-3,18309-28-9,36977-92-1,117773-78-1,89-80-5,17627-49-5,7786-64-3)

Guidance literature:

With aluminum oxide; carbon dioxide; In hexane; at 190 ℃; Supercritical conditions;

DOI:10.1134/S0036024412120035

Reference yield: 1.0%

limonene. (138-86-3,555-08-8,8022-90-0,9003-73-0,95327-98-3) → Terpinolene (586-62-9,69073-38-7) + 1-methyl-4-isopropyl-1,3-cyclohexadiene (99-86-5) + 4-methylisopropylbenzene (99-87-6) + 3,8-p-Menthadien (586-67-4) + crithmene (99-85-4) + isoterpinolene (586-63-0)

Guidance literature:

With potassium trans-pinanoxide; In dimethyl sulfoxide; at 60 ℃; for 48h; Product distribution; Rate constant; var. bases;

DOI:10.1021/jo01293a026

Reference yield:

1-methyl-4-isopropyl-1,3-cyclohexadiene (99-86-5) → p-mentha-1,5-diene (99-83-2) + Terpinolene (586-62-9,69073-38-7) + 3,8-p-Menthadien (586-67-4) + crithmene (99-85-4) + (+/-)-2,4-p-menthadiene (586-68-5) + isoterpinolene (586-63-0)

Guidance literature:

With aluminum oxide; at 250 ℃; Product distribution; gas phase isomerization;

DOI:10.1007/BF00574247

upstream raw materials:

methanol

isopulegol

Beta-pinene

Pinene

Downstream raw materials:

1-methyl-4-isopropyl-1,3-cyclohexadiene

3-methyladipic acid

4-methylisopropylbenzene

isoterpinolene

Refernces

• 1、 Anikeev,Il'Ina,Volcho,Salakhutdinov. "Cyclization of citronellal in a supercritical solvent in a flow reactor in the presence of Al2O3". . p. 1917 - 1919. Retrieved 2013/01/15.
• 2、 Spencer. "Dimethyl-(4-methyl-1-cyclohexenyl)methyl and 2-(1-methylethylidene)-5- methylcyclohexyl ethers from pulegone". . p. 1603 - 1615. Retrieved 2007/10/02.