Introduction：Basic information about CAS 1081-34-1|alpha-Terthiophene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
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.
Chemical & Physical Properties
Density
1.3±0.1 g/cm3
Boiling Point
361.3±32.0 °C at 760 mmHg
Melting Point
93-95 °C(lit.)
Molecular Formula
C12H8S3
Molecular Weight
248.387
Flash Point
128.4±11.3 °C
Exact Mass
247.978806
PSA
84.72000
LogP
5.56
Vapour Pressure
0.0±0.8 mmHg at 25°C
Index of Refraction
1.672
InChIKey
KXSFECAJUBPPFE-UHFFFAOYSA-N
SMILES
c1csc(-c2ccc(-c3cccs3)s2)c1
Storage condition
2-8°C
Toxicological Information
CHEMICAL IDENTIFICATION
RTECS NUMBER :
WZ9717750
CAS REGISTRY NUMBER :
1081-34-1
LAST UPDATED :
199606
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C12-H8-S3
MOLECULAR WEIGHT :
248.38
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
110 mg/kg
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
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
Articles35
More Articles
Length-dependent conductance of oligothiophenes.
J. Am. Chem. Soc. 136(29) , 10486-92, (2014)
We have measured the single-molecule conductance of a family of oligothiophenes comprising 1-6 thiophene moieties terminated with methyl-sulfide linkers using the scanning tunneling microscope-based b...
Radical-scavenging activity of melatonin, either alone or in combination with vitamin E, ascorbate or 2-mercaptoethanol as co-antioxidants, using the induction period method.
In Vivo 25(1) , 49-53, (2011)
Melatonin shows antioxidant/prooxidant activity but its mechanism of action remains unknown.The radical-scavenging activity of melatonin and various melatonin/co-antioxidant mixtures in a 1:1 molar ra...
Synthesis and evaluation of new spacers for use as dsDNA end-caps.
Bioconjug. Chem. 21(8) , 1545-53, (2010)
A series of aliphatic and aromatic spacer molecules designed to cap the ends of DNA duplexes have been synthesized. The spacers were converted into dimethoxytrityl-protected phosphoramidites as syntho...
