2,4,7-trimethyl-1H-indene

Base Information

• Chemical Name: 2,4,7-trimethyl-1H-indene
• CAS No.: 144284-76-4
• Molecular Formula: C12H14
• Molecular Weight: 158.243
• Hs Code.: 2902909090
• DSSTox Substance ID: DTXSID80453752
• Nikkaji Number: J1.312.189C
• Wikidata: Q72514104
• Mol file: 144284-76-4.mol

Synonyms:2,4,7-trimethyl-1H-indene;144284-76-4;1H-Indene, 2,4,7-trimethyl-;2,4,7 trimethylindene;2,4,7-trimethylindene;2,4,7-Trimethyl-inden;DTXSID80453752;QUQWJMKRXAQCQH-UHFFFAOYSA-N;AKOS006327896;A884819

Chemical Property of 2,4,7-trimethyl-1H-indene

Chemical Property:

• Boiling Point: 245℃
• Flash Point: 97℃
• PSA: 0.00000
• Density: 0.974
• LogP: 3.26280
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 158.109550447
• Heavy Atom Count: 12
• Complexity: 202

Purity/Quality:

99% ^*data from raw suppliers

2,4,7-Trimethyl-1H-indene 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC2=C(C=CC(=C2C1)C)C

Technology Process of 2,4,7-trimethyl-1H-indene

There total 10 articles about 2,4,7-trimethyl-1H-indene 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: 88.7%

2,4,7-trimethyl-1-indanol (166601-23-6) → 2,4,7-trimethyl-indene (144284-76-4)

Guidance literature:

With 3-methyl-2,6-di-tert-butyl-phenol; toluene-4-sulfonic acid; In benzene; for 0.583333h; Heating;

DOI:10.1016/0022-328X(95)00123-8

Reference yield:

3,4,7-trimethyl-1H-indene + methylcyclopentadiene (96-39-9) + 2,5-hexanedione (110-13-4) → 2,4,7-trimethyl-indene (144284-76-4)

Guidance literature:

With sodium; In methanol; dichloromethane;

Reference yield:

C18H30OSi (1057091-00-5) → 2,4,7-trimethyl-indene (144284-76-4)

Guidance literature:

tris(pentafluorophenyl)borate; In toluene; at 20 ℃;

upstream raw materials:

2,4,7-trimethyl-1-indanol

2,4,7-trimethyl-2,3-dihydro-1H-inden-1-one

para-xylene

methylcyclopentadiene

Refernces

• 1、 -. "A method of preparation of ethylene-propylene-diene rubber". Paragraph 0044; 0050. . Retrieved 2017/03/23.
• 2、 -. "Process for the preparation of amorphous polymers of propylene". . . Retrieved 2008/06/13.