Uses
ChemicalBook > CAS DataBase List > 3-Ethynylthiophene

3-Ethynylthiophene

Uses
Product Name
3-Ethynylthiophene
CAS No.
67237-53-0
Chemical Name
3-Ethynylthiophene
Synonyms
thienylacetylene;3-Ethynylthiophene;3-Thienylacetylene;3-Ethynylthiophine;3-Thienylacethylene;Thiophene, 3-ethynyl-;(Thien-3-yl)acetylene;3-Ethynylthiophene>3-Ethynylthiophene 96%;3-ETHYNYLTHIOPHENE 96
CBNumber
CB7498639
Molecular Formula
C6H4S
Formula Weight
108.16
MOL File
67237-53-0.mol
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3-Ethynylthiophene Property

Boiling point:
152-153 °C (lit.)
Density 
1.098 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.5800(lit.)
Flash point:
115 °F
storage temp. 
Keep in dark place,Inert atmosphere,2-8°C
form 
Liquid
color 
Colorless to yellow to orange
Water Solubility 
Slightly soluble in water.
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Safety

Hazard Codes 
Xi
Risk Statements 
10-37/38-41
Safety Statements 
16-26-39
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
HazardClass 
3
PackingGroup 
III
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
578797
Product name
3-Ethynylthiophene
Purity
96%
Packaging
1g
Price
$88.9
Updated
2024/03/01
Sigma-Aldrich
Product number
578797
Product name
3-Ethynylthiophene
Purity
96%
Packaging
5g
Price
$111
Updated
2024/03/01
TCI Chemical
Product number
E0892
Product name
3-Ethynylthiophene
Purity
>97.0%(GC)
Packaging
1g
Price
$63
Updated
2024/03/01
TCI Chemical
Product number
E0892
Product name
3-Ethynylthiophene
Purity
>97.0%(GC)
Packaging
5g
Price
$181
Updated
2024/03/01
Alfa Aesar
Product number
H55898
Product name
3-Ethynylthiophene, 96%
Packaging
1g
Price
$52.65
Updated
2024/03/01
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3-Ethynylthiophene Chemical Properties,Usage,Production

Uses

3-Ethynylthiophene is used in preparation of benzothiazonines by rhodium-catalyzed denitrogenative annulation reactions of sulfonylaryltriazoles with thiochromones.

Uses

3-Ethynylthiophene may be used in the synthesis of the following:

  • 1-(2-bromobenzyl)-4-(thiophen-3-yl)-1H-1,2,3-triazole which is obtained by heating with 2-iodophenylethylazide in the presence of copper acetate monohydrate catalyst in N-methyl-2-pyrrolidone
  • N-benzyl-1-phenyl-5-(thiophen-3-yl)-4-pentyn-2-amine via a multi-step reaction process
  • [(C4H3S-3)C≡CAg]n, a polymeric compound obtained via reaction with silver nitrate in the presence of triethylamine in acetonitrile
  • 4,5-bis(thiophen-3-ylethynyl)phthalonitrile via Sonogashira cross-coupling reaction with 4,5-dichlorophthalonitrile

3-Ethynylthiophene Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Ethynylthiophene Suppliers

Americas 1 Belgium 1 Canada 2 China 124 Europe 2 Germany 3 India 5 Japan 4 Spain 1 Switzerland 1 United Kingdom 6 United States 29 Global 179
Ark Pharm, Inc.
Tel
847-367-3680
Fax
847-367-3681
Email
sales@arkpharminc.com
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United States
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Pure Chemistry Scientific Inc.
Tel
001-857-928-2050 or 1-888-588-9418
Fax
001-617-206-9595
Email
sales@chemreagents.com
Country
United States
ProdList
10194
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Alchem Pharmtech,Inc.
Tel
8485655694
Email
sales@alchempharmtech.com
Country
United States
ProdList
63711
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58
Aladdin Scientific
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+1-+1(833)-552-7181
Email
sales@aladdinsci.com
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United States
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57511
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Alfa Chemistry
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Email
info@alfa-chemistry.com
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United States
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Synthonix Inc
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--
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info@synthonix.com
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Abblis Chemicals LLC
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Alfa Chemistry
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Combi-Blocks Inc.
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Focus Synthesis LLC
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Email
acd@focussynthesis.com
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United States
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SynQuest Laboratories, Inc.,
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United States
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eNovation Chemicals LLC
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SynQuest Laboratories, Inc. (Part of Central Glass Co., Ltd.)
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--
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Email
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United States
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Ambeed, Inc.
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info@ambeed.com
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United States
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AA Blocks LLC
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--
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Email
s@aablocks.com
Country
United States
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Combi-Blocks, Inc.
Tel
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Email
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TCI America, Inc. (Tokyo Chemical Industry Co., Ltd.)
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--
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Email
.Crew@tcichemicals.com
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United States
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Fluorochem Ltd.
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Email
enquiries@fluorochem.co.uk
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Alichem Inc.
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MilliporeSigma (Sigma-Aldrich Corp.)
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Matrix Scientific
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Spectrum Chemical Mfg. Corp.
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marketing@spectrumchemical.com
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HBCChem Inc.
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OChem Incorporation
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Country
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VWR International, LLC.
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Riedel-de Haen AG
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6825
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TCI America
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--
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Waterstone Technology, LLC
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6801
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Anvia Chemicals, LLC
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sales@anviachem.com
Country
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3939
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View Lastest Price from 3-Ethynylthiophene manufacturers

R&D Scientific Inc.
Product
3-Ethynylthiophene 67237-53-0
Price
US $1090.00/g
Min. Order
1g
Purity
96
Supply Ability
500 Kg
Release date
2024-02-19
Career Henan Chemical Co
Product
3-Ethynylthiophene 67237-53-0
Price
US $1.00/KG
Min. Order
1KG
Purity
98%HPLC
Supply Ability
10 tons/month
Release date
2020-01-07
Career Henan Chemical Co
Product
3-Ethynylthiophene 67237-53-0
Price
US $1.00/KG
Min. Order
1KG
Purity
98%HPLC
Supply Ability
10 tons/month
Release date
2020-01-07

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