2,7-Diisopropylnaphthalene

Base Information

• Chemical Name: 2,7-Diisopropylnaphthalene
• CAS No.: 40458-98-8
• Molecular Formula: C16H20
• Molecular Weight: 212.335
• Hs Code.: 2902909090
• European Community (EC) Number: 254-929-3
• UNII: YUS7F7X0T3
• DSSTox Substance ID: DTXSID50891389
• Nikkaji Number: J332.428A
• Wikidata: Q27294721
• Mol file: 40458-98-8.mol

Synonyms:2,7-Diisopropylnaphthalene;40458-98-8;2,7-Di-iso-propylnaphthalene;Naphthalene, 2,7-bis(1-methylethyl)-;2,7-di(propan-2-yl)naphthalene;EINECS 254-929-3;UNII-YUS7F7X0T3;YUS7F7X0T3;2,7-bis(propan-2-yl)naphthalene;2,7-diisopropyl naphthalene;Naphthalene, 2,7-diisopropyl;DTXSID50891389;3,6-DIISOPROPYLNAPHTHALENE;MFCD00671522;AKOS015838407;NAPHTHALENE, 2,7-DIISOPROPYL-;BS-22826;CS-0213400;D2422;FT-0610750;D90062;Q27294721

Chemical Property of 2,7-Diisopropylnaphthalene

Chemical Property:

• Vapor Pressure: 0.00145mmHg at 25°C
• Refractive Index: 1.5660-1.5680
• Boiling Point: 305.8°Cat760mmHg
• Flash Point: 142.5°C
• PSA: 0.00000
• Density: 0.949g/cm³
• LogP: 5.08660
• XLogP3: 5.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 212.156500638
• Heavy Atom Count: 16
• Complexity: 194

Purity/Quality:

98%,99%, ^*data from raw suppliers

2,7-Diisopropylnaphthalene ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)C1=CC2=C(C=C1)C=CC(=C2)C(C)C

Technology Process of 2,7-Diisopropylnaphthalene

There total 26 articles about 2,7-Diisopropylnaphthalene 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:

naphthalene (91-20-3,71998-51-1,72931-45-4) + propene (187737-37-7,13987-01-4,15220-87-8,9003-07-0,676-63-1,25085-53-4) → 2,6-diisopropylnaphthalene (24157-81-1) + 2,7-diisopropylnaphthalene (40458-98-8) + 1,6-diisopropylnaphthalene (51113-41-8) + 1,7- diisopropylnaphthalene (94133-80-9) + 1,3-diisopropylnaphthalene (57122-16-4)

Guidance literature:

With H-Y zeolite; at 300 ℃; under 2625.26 - 3375.34 Torr; Inert atmosphere; Autoclave;

DOI:10.1016/j.molcata.2014.08.035

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) + propene (187737-37-7,13987-01-4,15220-87-8,9003-07-0,676-63-1,25085-53-4) → 2-Isopropylnaphthalene (2027-17-0) + 2,6-diisopropylnaphthalene (24157-81-1) + 2,7-diisopropylnaphthalene (40458-98-8) + 1,6-diisopropylnaphthalene (51113-41-8) + 1,7- diisopropylnaphthalene (94133-80-9) + 1,3-diisopropylnaphthalene (57122-16-4)

Guidance literature:

With SiO₂/Al₂O₃; at 250 ℃; for 6h; under 6000.6 Torr; Autoclave;

DOI:10.1016/j.jcat.2012.05.013

Reference yield:

naphthalene (91-20-3,71998-51-1,72931-45-4) + isopropyl alcohol (67-63-0,8013-70-5) → 2-Isopropylnaphthalene (2027-17-0) + 2,6-diisopropylnaphthalene (24157-81-1) + 2,7-diisopropylnaphthalene (40458-98-8) + 1,6-diisopropylnaphthalene (51113-41-8) + 1,7- diisopropylnaphthalene (94133-80-9) + 1,3-diisopropylnaphthalene (57122-16-4)

Guidance literature:

With H-MOR⁽¹⁰⁰⁾ catalyst; In cyclohexane; at 250 ℃; for 17h; Autoclave;

DOI:10.1016/j.jcat.2012.05.013

upstream raw materials:

naphthalene

isopropyl alcohol

propene

1-isopropylnaphthalene

Downstream raw materials:

2,7-Dihydroxynaphthalene

7-isopropylnaphthalen-2-ol

2,6-diisopropylnaphthalene

Refernces

• 1、 -. "Method for naphthalene alkylation". Paragraph 0034-0162. . Retrieved 2018/05/16.
• 2、 Banu, Marimuthu,Lee, Young Hye,Magesh, Ganesan,Nam, Chang-Mo,Lee, Jae Sung. "MOR/SBA-15 Composite Catalysts with Interconnected Meso/Micropores for Improved Activity and Stability in Isopropylation of Naphthalene". . p. 2354 - 2360. Retrieved 2015/08/11.