ChemicalBook > CAS DataBase List > Ethyl 2-butynoate

Ethyl 2-butynoate

Product Name
Ethyl 2-butynoate
CAS No.
4341-76-8
Chemical Name
Ethyl 2-butynoate
Synonyms
2-butynoate;ETHYL TETROLATE;Ethyl Butynoate;Ethyltetrolate,T;ETHYL 2-BUTYNOATE;ethyle2-butynoate;Ethyl2-butynoate,98+%;Ethyl 3-methylpropiolate;TETROLIC ACID ETHYL ESTER;Ethyl 1-propynecarboxylate
CBNumber
CB4228518
Molecular Formula
C6H8O2
Formula Weight
112.13
MOL File
4341-76-8.mol
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Ethyl 2-butynoate Property

Boiling point:
160-161 °C/730 mmHg (lit.)
Density 
0.962 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.436(lit.)
Flash point:
145 °F
storage temp. 
Inert atmosphere,2-8°C
solubility 
Chloroform, Ethyl Acetate
form 
Powder
Specific Gravity
0.962
color 
Grey to red to brown
Water Solubility 
Miscible with water, chloroform and ethyl acetate.
Sensitive 
Air Sensitive
BRN 
1744948
InChIKey
FCJJZKCJURDYNF-UHFFFAOYSA-N
CAS DataBase Reference
4341-76-8(CAS DataBase Reference)
NIST Chemistry Reference
Ethyl 2-butynoate(4341-76-8)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
RIDADR 
1993
WGK Germany 
3
F 
10-23
Hazard Note 
Irritant
HazardClass 
3.2
PackingGroup 
III
HS Code 
29161900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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
425117
Product name
Ethyl 2-butynoate
Purity
98%
Packaging
1g
Price
$39
Updated
2024/03/01
Sigma-Aldrich
Product number
425117
Product name
Ethyl 2-butynoate
Purity
98%
Packaging
10g
Price
$155
Updated
2024/03/01
TCI Chemical
Product number
T1052
Product name
Ethyl 2-Butynoate
Purity
>98.0%(GC)
Packaging
1mL
Price
$46
Updated
2024/03/01
TCI Chemical
Product number
T1052
Product name
Ethyl 2-Butynoate
Purity
>98.0%(GC)
Packaging
5mL
Price
$133
Updated
2024/03/01
Alfa Aesar
Product number
B25370
Product name
Ethyl 2-butynoate, 98%
Packaging
1g
Price
$26.65
Updated
2024/03/01
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Ethyl 2-butynoate Chemical Properties,Usage,Production

Uses

Ethyl 2-butynoate is used as a precursor for the synthesis of 3-ethyl, 1-methyl 1-(2-nitrophenyl)-cyclopent-3-ene-1,3-dicarboxylate, alkenylsilanols and tricyclic aziridine derivatives. It acts as a methanogenesis inhibitor. As an electron deficient alkyne derivative, it plays a vital role in the preparation of 1,3-dienes catalyzed by rhodium(I)/H8-BINAP complex.

Uses

Ethyl 2-butynoate was used in the study of its effect on in vitro degradation and microbial biomass production.
It may be used in the synthesis of the following:

  • 3-ethyl, 1-methyl 1-(2-nitrophenyl)-cyclopent-3-ene-1,3-dicarboxylate
  • tricyclic aziridine derivatives
  • alkenylsilanols

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 7, p. 226, 1990
The Journal of Organic Chemistry, 38, p. 3588, 1973 DOI: 10.1021/jo00960a032

General Description

Ethyl 2-butynoate, a 2-alkynoate is a methanogenesis inhibitor. It is an electron deficient internal alkyne that has been reported to undergo codimerization with alkenes to form 1,3-dienes catalyzed by rhodium(I)/H8-BINAP complex. The annulation of thioamides with ethyl 2-butynoate catalyzed by tri-n-butylphosphine to form thiazolines has been investigated.

Ethyl 2-butynoate Preparation Products And Raw materials

Raw materials

Preparation Products

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Ethyl 2-butynoate Suppliers

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View Lastest Price from Ethyl 2-butynoate manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Ethyl 2-butynoate 4341-76-8
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-06-06
Hebei Weibang Biotechnology Co., Ltd
Product
Ethyl 2-butynoate 4341-76-8
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 mt
Release date
2024-10-24
Hebei Mojin Biotechnology Co., Ltd
Product
Ethyl 2-butynoate 4341-76-8
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-07-03

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