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Merck
CN

T31801

Thiophene

≥99%

Synonym(s):

Thiofuran, Thiole

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About This Item

Empirical Formula (Hill Notation):
C4H4S
CAS Number:
Molecular Weight:
84.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-729-4
Beilstein/REAXYS Number:
103222
MDL number:
Assay:
≥99%
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vapor density

2.9 (vs air)

Quality Level

vapor pressure

40 mmHg ( 12.5 °C)

assay

≥99%

autoignition temp.

743 °F

expl. lim.

12.5 %

refractive index

n20/D 1.529 (lit.)

bp

84 °C (lit.)

mp

−38 °C (lit.)

density

1.051 g/mL at 25 °C (lit.)

SMILES string

c1ccsc1

InChI

1S/C4H4S/c1-2-4-5-3-1/h1-4H

InChI key

YTPLMLYBLZKORZ-UHFFFAOYSA-N

Application

Thiophene is an essential precursor to synthesize a wide range of conjugated organosulfur moieties, sulfur-containing polycyclic aromatic hydrocarbons, macrocycles, and pharmaceutical compounds. It has been widely used in the synthesis of polythiophenes and a host of active materials for organic field effect transistors (OFETs) and organic solar cells (OSCs).


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pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

15.8 °F

flash_point_c

-9 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品

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Sukyoung Hwang et al.
Scientific reports, 5, 11201-11201 (2015-06-19)
The growth kinetics of polymer thin films prepared by plasma-based deposition method were explored using atomic force microscopy. The growth behavior of the first layer of the polythiophene somewhat differs from that of the other layers because the first layer
Alon Angert et al.
Scientific reports, 9(1), 741-741 (2019-01-27)
Carbonyl sulfide (COS) is the major long-lived sulfur bearing gas in the atmosphere, and is used to estimate the rates of regional and global (both past and current) photosynthesis. Sulfur isotope measurements (34S/32S ratio, δ34S) of COS may offer a
Thiophene Polymer Semiconductors for Organic Thin-Film Transistors
Ong BS, et al.
Chemistry?A European Journal, 14(16), 4766-4778 (2008)



Global Trade Item Number

SKUGTIN
T31801-100G04061837343858
T31801-5G04061837343872
T31801-500G04061837343865