C2H5CH=C=O

Modify Date: 2024-01-09 12:26:50

C2H5CH=C=O Structure
C2H5CH=C=O structure
 Common Name C2H5CH=C=O
CAS Number 20334-52-5 Molecular Weight 70.08980
Density 0.774g/cm3 Boiling Point 28ºC at 760 mmHg
Molecular Formula C4H6O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name but-1-en-1-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.774g/cm3
Boiling Point 28ºC at 760 mmHg
Molecular Formula C4H6O
Molecular Weight 70.08980
Exact Mass 70.04190
PSA 17.07000
LogP 0.78420
Vapour Pressure 680mmHg at 25°C
Index of Refraction 1.375

 Safety Information

HS Code 2914190090

 Synthetic Route

2-bromobutyryl chloride structure

2-bromobutyryl ...

CAS#:22118-12-3

~87%

C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Masters, Andrew P.; Sorensen, Ted S.; Ziegler, Tom Journal of Organic Chemistry, 1986 , vol. 51, # 18 p. 3558 - 3559
Butyryl chloride structure

Butyryl chloride

CAS#:141-75-3

~%

C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Hertenstein, Ulrich; Huenig, Siegfried; Reichelt, Helmut; Schaller, Rainer Chemische Berichte, 1982 , vol. 115, # 1 p. 261 - 287
Butyric Acid structure

Butyric Acid

CAS#:107-92-6

~%

C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Imahori, Yoshio; Ido, Tatsuo Medicinal Chemistry Research, 1995 , vol. 5, # 2/3 p. 97 - 112
2-Bromobutanoyl bromide structure

2-Bromobutanoyl...

CAS#:26074-52-2

~%

C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Staudinger; Klever Chemische Berichte, 1908 , vol. 41, p. 906
Methyl butyrate structure

Methyl butyrate

CAS#:623-42-7

~%

Methanol structure

Methanol

CAS#:67-56-1
C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Burnier, R. C.; Byrd, G. D.; Freiser, B. S. Analytical Chemistry, 1980 , vol. 52, # 11 p. 1641 - 1650
ethyl butanoate structure

ethyl butanoate

CAS#:105-54-4

~%

Ethanol structure

Ethanol

CAS#:64-17-5
ethene structure

ethene

CAS#:54509-73-8
C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5

Detail
Literature: Burnier, R. C.; Byrd, G. D.; Freiser, B. S. Analytical Chemistry, 1980 , vol. 52, # 11 p. 1641 - 1650
Crotonaldehyde structure

Crotonaldehyde

CAS#:123-73-9

~%

ethene structure

ethene

CAS#:54509-73-8
C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5

carbon monoxide structure

carbon monoxide

CAS#:201230-82-2
Detail
Literature: Johnstone, Duncan E.; Sodeau, John R. Journal of the Chemical Society, Faraday Transactions, 1992 , vol. 88, # 3 p. 409 - 415
1-Ethoxy-1-butyne structure

1-Ethoxy-1-butyne

CAS#:14272-91-4

~%

ethene structure

ethene

CAS#:54509-73-8
C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Moyano, Albert; Pericas, Miquel A.; Serratosa, Felix; Valenti, Eduard Journal of Organic Chemistry, 1987 , vol. 52, # 25 p. 5532 - 5538
Diethyl ether structure

Diethyl ether

CAS#:60-29-7
2-Bromobutanoyl bromide structure

2-Bromobutanoyl...

CAS#:26074-52-2

~%

C2H5CH=C=O Structure

C2H5CH=C=O

CAS#:20334-52-5
Literature: Staudinger; Klever Chemische Berichte, 1908 , vol. 41, p. 906

 Customs

HS Code 2914190090
Summary 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

1-Buten-1-one
Aethylketen
C2H5CH=C=O
But-1-en-1-on
ethyl ketene
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