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2-methyl-1,4-dihydronaphthalene is an organic compound with the molecular formula C11H12. It is a derivative of naphthalene, a bicyclic aromatic hydrocarbon, and features a methyl group attached to the second carbon atom. 2-methyl-1,4-dihydronaphthalene is characterized by its two fused rings, with one of the rings being partially saturated, giving it the "dihydronaphthalene" designation. It is a colorless liquid with a strong aromatic odor and is used in the synthesis of various chemicals, including pharmaceuticals and dyes. Due to its chemical structure, 2-methyl-1,4-dihydronaphthalene exhibits unique properties that make it valuable in organic chemistry and industrial applications.

2717-43-3

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2717-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2717-43-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2717-43:
(6*2)+(5*7)+(4*1)+(3*7)+(2*4)+(1*3)=83
83 % 10 = 3
So 2717-43-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H12/c1-9-6-7-10-4-2-3-5-11(10)8-9/h2-6H,7-8H2,1H3

2717-43-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-methyl-1,4-dihydronaphthalene

1.2 Other means of identification

Product number -
Other names 2-Methyl-1,4-dihydro-naphthalin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2717-43-3 SDS

2717-43-3Downstream Products

2717-43-3Relevant academic research and scientific papers

The photochemical rearrangement of 1,2-dihydronaphthalenes into 1,4-dihydronaphthalenes induced by amines

Cuppen, Th. J. H. M.,Berendsen, N.,Laarhoven, W. H.

, p. 168 - 171 (2007/10/02)

The synthetic usefulness of the deprotonation/protonation reaction of excited 1,2-dihydronaphthalenes into 1,4-dihydronaphthalenes induced by amines has been investigated using 13 different substituted 1,2-dihydronaphthalenes and related compounds.The yield of the rearrangement ranges from 5 to 96percent.The formation of side-products depends on the position of protons in the substrate, which can be abstracted by the amine, and on competitive photoreactions.

Photochemistry of 3-methyl-1,2-dihydronaphthalene

Laarhoven, W. H.,Berendsen, N.

, p. 367 - 371 (2007/10/02)

Irradiation of the title compound (6) with a broad spectrum lamp at room temperature afforded 2-methylidene-1,2,3,4-tetrahydronaphthalene(8) and 2-methylnaphthalene (7).Apart from 8, irradiation of 6 at -45 deg also afforded 5-methylbenzobicyclohex-2-ene (12) 1-methylidene-2-(2-tolyl)cyclopropane (13) as well as a small amount of 2-methyl-1,4-dihydronaphthalene (14).Both 12 and 13 originate from the ring-opened product of 6.Compound 14 is probably formed via a retro di-?-methane rearrangement from 12.Irradiation of 6 in n-propylamine afford the same photoproducts, 14 being the main one in this case.

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