1081-34-1

1081-34-1 structure

Name: alpha-Terthiophene
Chemical Name: 2,2':5',2''-terthiophene
CAS Number: 1081-34-1
Molecular Formula: C₁₂H₈S₃
Molecular Weight: 248.387
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-02-05 08:00:00
Modify Date: 2025-08-22 18:05:15
2,2':5',2''-Terthiophene (α-Terthiophene) is an oligomer of the heterocycle thiophene. 2,2':5',2''-Terthiophene has been employed as building block for the organic semi-conductor polythiophene.

Name	2,2':5',2''-terthiophene
Synonyms	Terthiophene 2,2':5',2"-Terthiophene 2,2':5',2''-Terthiophene 2,2':5'2''-Terthiophene 2,2:5,2-Terthiophene a-Terthienyl MFCD00012167 5-(2-Thienyl)-2,2'-bithiophene 2,5-Di(2-thienyl)thiophene α-Terthienyl 2,5-dithiophen-2-ylthiophene [2,2';5',2'']Terthiophene

Description	2,2':5',2''-Terthiophene (α-Terthiophene) is an oligomer of the heterocycle thiophene. 2,2':5',2''-Terthiophene has been employed as building block for the organic semi-conductor polythiophene.
Related Catalog	Signaling Pathways >> Others >> Others
In Vitro	In the most common isomer of Terthiophene, two thienyl groups are connected via their 2 positions to a central thiophene, also at the carbon atoms flanking the sulfur.
References	[1]. Casado J, et al. Alternated quinoid/aromatic units in terthiophenes building blocks for electroactive narrow band gap polymers. Extended spectroscopic, solid state, electrochemical, and theoretical study. J Phys Chem B. 2005 Sep 8;109(35):16616-27.

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 77,164,1995

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	F: Flammable;
Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	WZ9717750
HS Code	2934999090

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%