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Benzoic acid, 2,2'-(1,2-ethynediyl)bis-, also known as 1,4-diethynylbenzene or sym-diethynylbenzene, is an organic compound with the chemical formula C10H6. It is a colorless, crystalline solid that is insoluble in water but soluble in organic solvents. Benzoic acid, 2,2'-(1,2-ethynediyl)bis- is characterized by its unique structure, featuring two benzoic acid molecules connected by an ethynediyl (acetylene) bridge. It is primarily used as an intermediate in the synthesis of various organic compounds, particularly in the production of pharmaceuticals, dyes, and polymers. Due to its reactivity, it is essential to handle this chemical with care, as it can undergo various chemical reactions, such as addition, substitution, and condensation.

792-60-9

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792-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 792-60-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,9 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 792-60:
(5*7)+(4*9)+(3*2)+(2*6)+(1*0)=89
89 % 10 = 9
So 792-60-9 is a valid CAS Registry Number.

792-60-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2'-ethynylenedibenzoic acid

1.2 Other means of identification

Product number -
Other names 2,2-ethynylenedibenzoic acid

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:792-60-9 SDS

792-60-9Relevant academic research and scientific papers

Photophysical and theoretical studies of diphenylacetylene derivatives with restricted rotation

Szyszkowska, Ma?gorzata,Czaplewski, Cezary,Wiczk, Wies?aw

, p. 81 - 89 (2017/03/11)

Diphenylacetylene derivatives containing electron-donor (amino) and electron-acceptor (ester) groups in 2,2′ or 3,2′ positions in phenyl rings were synthesized to study the effects of intramolecular charge transfer and stiffening of the conformation by in

Attractive Interactions Between an Alkyne Group and Two Carbonyl Oxygen Atoms: the Crystal and Molecular Structure of 2,2'-Ethynylenedibenzoic Acid at 150 K

Pilkington, Melanie,Tayyip, Sidika,Wallis, John D.

, p. 2481 - 2484 (2007/10/02)

The X-ray crystal structure of 8 shows two attractive intramolecular interactions between sp carbon atoms and adjacent carbonyl oxygen atoms, leading to a twisting of the triple bond equivalent to an orthogonal combination of cis and trans bends; the two carboxylic acid groups lie to the same side of the triple bond to avoid unfavourable contacts between carbonyl oxygen atoms and incipient carbanionic centres.

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