136970-50-8

• 

• Basic information

  1. Product Name: 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene
  2. Synonyms: 2,5-Bis(diphenylmethylene)-2,5-dihydro-Thiophene
  3. CAS NO:136970-50-8
  4. Molecular Formula: C₃₀H₂₂S
  5. Molecular Weight: 0
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 136970-50-8.mol
  9. Article Data: 3

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: N/A
  3. Flash Point: N/A
  4. Appearance: /
  5. Density: N/A
  6. Refractive Index: 1.689
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. CAS DataBase Reference: 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene(CAS DataBase Reference)
  10. NIST Chemistry Reference: 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene(136970-50-8)
  11. EPA Substance Registry System: 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene(136970-50-8)

• Safety Data

  1. Hazard Codes: N/A
  2. Statements: N/A
  3. Safety Statements: N/A
  4. WGK Germany:
  5. RTECS:
  6. HazardClass: N/A
  7. PackingGroup: N/A
  8. Hazardous Substances Data: 136970-50-8(Hazardous Substances Data)

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• 2,5-bis-(Diphenylmethylene)-2,5-dihydrothiophene

  Cas No: 136970-50-8

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• Dayang Chem (Hangzhou) Co.,Ltd.
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• 2,5-BIS(DIBENZYLENE)-2,5-DIHYDROTHIOPHENE

  Cas No: 136970-50-8

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• Hangzhou Fandachem Co.,Ltd
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• 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene

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• Finetech Industry Limited
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136970-50-8 Usage

General Description

2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene is a chemical compound with the molecular formula C22H18S. It is a compound containing two diphenylmethylene groups attached to a 2,5-dihydrothiophene ring. 2,5-Bis(diphenylmethylene)-2,5-dihydrothiophene is a dimer of the parent compound diphenylmethylene thiophene and has application in the field of organic electronics as a material for organic thin-film transistors and organic light-emitting diodes. It is also used as a ligand in coordination chemistry for the synthesis of novel metal complexes. Additionally, this compound has potential use in the development of new materials for optoelectronic devices and in organic synthesis as a building block for more complex organic compounds.

Check Digit Verification of cas no

The CAS Registry Mumber 136970-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,7 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136970-50:
(8*1)+(7*3)+(6*6)+(5*9)+(4*7)+(3*0)+(2*5)+(1*0)=148
148 % 10 = 8
So 136970-50-8 is a valid CAS Registry Number.

InChI:InChI=1/C30H22S/c1-5-13-23(14-6-1)29(24-15-7-2-8-16-24)27-21-22-28(31-27)30(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-22H

136970-50-8SDS

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	2,5-dibenzhydrylidenethiophene

1.2 Other means of identification

Product number	-
Other names	-

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:136970-50-8 SDS

136970-50-8Upstream product

• 136970-35-9 2,5-bis(diphenylhydroxymethyl)thiophene 
• 119-61-9 benzophenone 

136970-50-8Downstream Products

136970-50-8Relevant articles and documents

HETEROCYCLE-CONTAINING QUINOID COMPOUND OR POLYMER AS WELL AS ITS MANUFACTURING METHOD AND ITS USAGE

-

Paragraph 0082-0086, (2020/10/27)

PROBLEM TO BE SOLVED: To provide a novel heterocycle-containing quinoid compound having a narrow band gap of HOMO-LUMO. SOLUTION: A novel heterocycle-containing quinoid compound represented by the following formula (1) is prepared. (In the formula, E1 is a hetero element selected from the group consisting of a group 14 element, a group 15 element and a group 16 element, R1 to R3 is an alkyl group, a cycloalkyl group, an aryl group or a heteroaryl group, and these groups may have a substituent, n is an integer of 0 to 2. When the E1 is a group 14 element, n is 2; when the E1 is a group 15 element, n is 1; and when the E1 is a group 16 element, n is 0.) SELECTED DRAWING: None COPYRIGHT: (C)2020,JPO&INPIT

Preparation of 2,5-Bis(diarylmethylene)-2,5-dihydrothiophenes and Their Furan, Selenophene, and N-Methylpyrrole Analogs

Ishii, Akihiko,Horikawa, Yasuaki,Takaki, Ikuo,Shibata, Jun,Nakayama, Juzo,Hoshino, Masamatsu

, p. 4313 - 4316 (2007/10/02)

A series of 2,5-bis(diarylmethylene)-2,5-dihydrothiophenes and their furan, selenophene, and N-methylpyrrole analogs were synthesized in three steps either starting from 2,5-dilithiated five-membered heteroaromatics and 2 equiv of diaryl ketones or from 2,5-diaroyl five-membered heteroaromatics and 2 equiv of aryllithiums.Key Words: 2,5-dimethylene-2,5-dihydrofuran; 2,5-dimethylene-2,5-dihydrothiophene; 2,5-dimethylene-2,5-dihydroselenophene; N-methyl-2,5-dimethylene-2,5-dihydropyrrole

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