1,8-Dimethylnaphthalene

Base Information

• Chemical Name: 1,8-Dimethylnaphthalene
• CAS No.: 569-41-5
• Molecular Formula: C12H12
• Molecular Weight: 156.227
• Hs Code.: 29029000
• European Community (EC) Number: 209-314-4
• UNII: 22P9FW1L76
• DSSTox Substance ID: DTXSID6060347
• Nikkaji Number: J116.788J
• Wikidata: Q27121288
• Metabolomics Workbench ID: 57063
• Mol file: 569-41-5.mol

Synonyms:1,8-DIMETHYLNAPHTHALENE;569-41-5;Naphthalene, 1,8-dimethyl-;UNII-22P9FW1L76;1,8-DMN;22P9FW1L76;EINECS 209-314-4;C12H12;1,8-dimethyl naphthalene;1,8-Dimethyl-naphthalene;1,8-Dimethylnaphthalene, 95%;DTXSID6060347;CHEBI:48610;AKOS015842633;FD-0040;1,8-Dimethylnaphthalene, analytical standard;CS-0317619;FT-0632408;A831247;Q27121288

Chemical Property of 1,8-Dimethylnaphthalene

Chemical Property:

• Appearance/Colour: off-white to orange-beige crystalline powder
• Vapor Pressure: 0.0112mmHg at 25°C
• Melting Point: 59-61 °C(lit.)
• Refractive Index: 1.604
• Boiling Point: 270.6 °C at 760 mmHg
• Flash Point: 115.3 °C
• PSA: 0.00000
• Density: 1 g/cm³
• LogP: 3.45660
• XLogP3: 4.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 156.093900383
• Heavy Atom Count: 12
• Complexity: 134

Purity/Quality:

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

1,8-Dimethylnaphthalene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22
• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CC1=C2C(=CC=CC2=CC=C1)C
• Uses: 1,8-Dimethylnaphthalene has been used in the preparation of 1,4-endoperoxides via dyesensitized photo-oxygenation reaction.

Technology Process of 1,8-Dimethylnaphthalene

There total 24 articles about 1,8-Dimethylnaphthalene 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: 94.0%

1,8-bis(bromomethyl)naphthalene (2025-95-8) → 1,8-dimethylnaphthalene (569-41-5)

Guidance literature:

With sodium tetrahydroborate; In dimethyl sulfoxide; at 80 ℃; for 48h;

DOI:10.3987/COM-09-S(S)104

Reference yield: 20.0%

naphthalene-1,8-diyldimethanol (2026-08-6) → 1,8-dimethylnaphthalene (569-41-5) + 1-hydroxymethyl-8-methylnaphthalene (10336-29-5) + (1a,7b-Dihydro-1H-cyclopropa[a]naphthalen-7-yl)-methanol

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; for 144h; Heating;

DOI:10.1039/a700605e

Reference yield: 14.0%

methanol (67-56-1) + 1,8-dimethyl-1,4-dihydronaphthalene-1,4-endoperoxide (36230-24-7) → 1,8-dimethylnaphthalene (569-41-5) + 4,5-dimethylnaphthalen-1-ol (78141-02-3) + 4-Methoxy-4,5-dimethyl-4H-naphthalen-1-one + 2-Methoxy-4,5-dimethyl-naphthalen-1-ol

Guidance literature:

DOI:10.1039/c39840001496

upstream raw materials:

1,8-bis(bromomethyl)naphthalene

naphthalene-1,8-diyldimethanol

1-bromo-8-methylnaphthalene

1,8-[bis(dichloromethyl)]naphthalene

Downstream raw materials:

(E,E)-1,8-bis(2-phenylethenyl)naphthalene

1,8-bis[(diphenylphosphino)methyl]naphthalene

1-(4-fluoro-phenyl)-8-(8-methyl-naphthalen-1-ylmethyl)-3-(S)-oxiranylmethyl-1,3,8-triaza-spiro[4.5]decan-4-one

Refernces

• 1、 Nagao, Yukinori,Yoshida, Tatsurou,Arimitsu, Koji,Kozawa, Kozo. "Synthesis and properties of dicarboximide derivatives of perylene and azaperylene". experimental part. p. 1197 - 1213. Retrieved 2010/10/04.
• 2、 Blair, Patricia A.,Chang, Sou-Jen,Shechter, Harold. "Photolytic, thermal, addition, and cycloaddition reactions of 2-diazo-5,6- and -3,8-disubstituted acenaphthenones". . p. 7123 - 7133. Retrieved 2007/10/03.