Ethyl 2-butynoate

Modify Date: 2026-07-01 19:05:54

Ethyl 2-butynoate Structure
Ethyl 2-butynoate structure
 Common Name Ethyl 2-butynoate
CAS Number 4341-76-8 Molecular Weight 112.127
Density 1.0±0.1 g/cm3 Boiling Point 163.0±9.0 °C at 760 mmHg
Molecular Formula C6H8O2 Melting Point N/A
MSDS Chinese USA Flash Point 53.2±6.7 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name Ethyl 2-butynoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 163.0±9.0 °C at 760 mmHg
Molecular Formula C6H8O2
Molecular Weight 112.127
Flash Point 53.2±6.7 °C
Exact Mass 112.052429
PSA 26.30000
LogP 1.97
Vapour Pressure 2.1±0.3 mmHg at 25°C
Index of Refraction 1.431
InChIKey FCJJZKCJURDYNF-UHFFFAOYSA-N
SMILES CC#CC(=O)OCC
Storage condition 2-8°C

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR 1993
WGK Germany 3
Packaging Group III
Hazard Class 3.2
HS Code 2916190090

 Synthetic Route

 Customs

HS Code 2916190090
Summary 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

 Articles6

More Articles
Rhodium-catalyzed regio- and stereoselective codimerization of alkenes and electron-deficient internal alkynes leading to 1,3-dienes.

Org. Lett. 10(13) , 2829-31, (2008)

A cationic rhodium(I)/H(8)-BINAP complex catalyzes codimerization of alkenes bearing no alpha-hydrogen and electron-deficient internal alkynes, leading to 1,3-dienes in good yields with moderate to ex...

Phosphine-catalyzed annulation of thioamides and 2-alkynoates: a new synthesis of thiazolines.

J. Org. Chem. 67(13) , 4595-8, (2002)

The annulation of thioamides with 2-alkynoates and 2,3-dienoates under the catalysis of tri-n-butylphosphine was described. The annulation reaction provided a new entry to thiazolines, particularly th...

Increases in microbial nitrogen production and efficiency in vitro with three inhibitors of ruminal methanogenesis.

Can. J. Microbiol. 53(4) , 496-503, (2007)

It was hypothesized that the addition of crotonic acid or 3-butenoic acid would relieve constraints in digestibility observed when methane formation is inhibited by lumazine, propynoic acid, or ethyl ...

 Ethyl 2-butynoateBioassay

View more

Name: Inhibition of Escherichia coli MurA assessed as residual activity at 100 uM using UNA...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4682075
Name: Inhibition of Staphylococcus aureus MurA expressed in Escherichia coli assessed as re...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4682074
Name: Reversible inhibition of Sporosarcina pasteurii CCM 2056 urease assessed as reduction...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3999826
Name: Inhibition of recombinant cathepsin B (unknown origin) endopeptidase activity express...
Source: ChEMBL
Target: Cathepsin B
External Id: CHEMBL4682077
Name: Inhibition of Sporosarcina pasteurii CCM 2056 urease assessed as reduction in ammonia...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3999829
Name: Inhibition of Escherichia coli MurA assessed as residual activity at 100 uM using UNA...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4682076
Name: Inhibition of recombinant cathepsin X (unknown origin) expressed in Pichia pastoris a...
Source: ChEMBL
Target: N/A
External Id: CHEMBL4682079
Name: Inhibition of recombinant cathepsin B (unknown origin) exopeptidase activity expresse...
Source: ChEMBL
Target: Cathepsin B
External Id: CHEMBL4682078
Name: Competitive inhibition of Sporosarcina pasteurii CCM 2056 urease assessed as reductio...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3999825
Name: Time-dependent Sporosarcina pasteurii CCM 2056 urease assessed as reduction in ammoni...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3999824
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 Synonyms

2-Butynoic acid, ethyl ester
Ethyl Tetrolate
EINECS 224-395-6
MFCD00015182
ethyl but-2-ynoate
Tetrolic Acid Ethyl Ester
Ethyl 2-butynoate
2-Butynoic Acid Ethyl Ester
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Chemsrc provides Ethyl 2-butynoate(CAS#:4341-76-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Ethyl 2-butynoate are included as well.>> amp version: Ethyl 2-butynoate

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