(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one

Modify Date: 2025-10-11 23:12:50

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure
(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one structure
 Common Name (E)-1,3-bis(4-methylphenyl)prop-2-en-1-one
CAS Number 21551-47-3 Molecular Weight 236.30800
Density 1.062g/cm3 Boiling Point 389.3ºC at 760 mmHg
Molecular Formula C17H16O Melting Point N/A
MSDS N/A Flash Point 169.9ºC

 Names

Name 4,4'-Dimethylchalcone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.062g/cm3
Boiling Point 389.3ºC at 760 mmHg
Molecular Formula C17H16O
Molecular Weight 236.30800
Flash Point 169.9ºC
Exact Mass 236.12000
PSA 17.07000
LogP 4.19950
Vapour Pressure 2.88E-06mmHg at 25°C
Index of Refraction 1.606

 Safety Information

HS Code 2914399090

 Synthetic Route

p-Tolualdehyde structure

p-Tolualdehyde

CAS#:104-87-0

4'-Methylacetophenone structure

4'-Methylacetop...

CAS#:122-00-9

~10%

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Toda, Fumio; Tanaka, Koichi; Hamai, Koki Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 11 p. 3207 - 3209
N/A structure

N/A

CAS#:166824-04-0

~41%

4,4'-(prop-1-ene-1,3-diyl)bis(methylbenzene) structure

4,4'-(prop-1-en...

CAS#:1228050-59-6

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785
1,3-di(4'-tolyl)prop-2-en-1-ol structure

1,3-di(4'-tolyl...

CAS#:13677-51-5

~45%

4,4'-(prop-1-ene-1,3-diyl)bis(methylbenzene) structure

4,4'-(prop-1-en...

CAS#:1228050-59-6

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Wang, Jialiang; Huang, Wen; Zhang, Zhengxing; Xiang, Xu; Liu, Ruiting; Zhou, Xigeng Journal of Organic Chemistry, 2009 , vol. 74, # 9 p. 3299 - 3304
p-Tolualdehyde structure

p-Tolualdehyde

CAS#:104-87-0

4-METHYLPHENACYL THIOCYANATE structure

4-METHYLPHENACY...

CAS#:6097-27-4

~65%

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Fan, Xuesen; Zhang, Yongmin Journal of Chemical Research - Part S, 2002 , # 9 p. 439 - 441
1,3-bis(4-methylphenyl)-2-propen-1-one structure

1,3-bis(4-methy...

CAS#:13565-37-2

~%

4,4'-(prop-1-ene-1,3-diyl)bis(methylbenzene) structure

4,4'-(prop-1-en...

CAS#:1228050-59-6

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785
p-Tolualdehyde structure

p-Tolualdehyde

CAS#:104-87-0

~%

4,4'-(prop-1-ene-1,3-diyl)bis(methylbenzene) structure

4,4'-(prop-1-en...

CAS#:1228050-59-6

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785
4'-Methylacetophenone structure

4'-Methylacetop...

CAS#:122-00-9

~%

4,4'-(prop-1-ene-1,3-diyl)bis(methylbenzene) structure

4,4'-(prop-1-en...

CAS#:1228050-59-6

(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one Structure

(E)-1,3-bis(4-m...

CAS#:21551-47-3

Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785

 Customs

HS Code 2914399090
Summary 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

4-methylbenzal-4'-methylacetophenone
4'-methyl-2-(4-methylbenzylidene)acetophenone
1,3-bis(4-methylphenyl)prop-2-en-1-one
4-methyl-4'-methylchalcone
1,3-di-p-tolyl-propenone
p,p'-dimethylbenzalacetophenone
4,4'-dimethyl-chalcone
(E)-1,3-bis(4-methylphenyl)prop-2-en-1-one
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Chemsrc provides CAS#:21551-47-3 MSDS, density, melting point, boiling point, structure, etc. Its name is (E)-1,3-bis(4-methylphenyl)prop-2-en-1-one>> amp version: (E)-1,3-bis(4-methylphenyl)prop-2-en-1-one

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