alpha-Terthiophene

Modify Date: 2025-08-22 18:05:15

alpha-Terthiophene structure	Common Name	alpha-Terthiophene
	CAS Number	1081-34-1	Molecular Weight	248.387
	Density	1.3±0.1 g/cm3	Boiling Point	361.3±32.0 °C at 760 mmHg
	Molecular Formula	C₁₂H₈S₃	Melting Point	93-95 °C(lit.)
	MSDS	Chinese USA	Flash Point	128.4±11.3 °C

Use of alpha-Terthiophene

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
Synonym	More Synonyms

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.

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
Storage condition	2-8°C

alpha-Terthiophene MSDS(Chinese)

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

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%

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...

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: alpha-Terthiophene
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China
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DC Chemicals Limited
China
Product Name: α-Terthiophene
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,2':5',2''-Terthiophene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
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Email: enquiry@dycnchem.com

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alpha-Terthiophene

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