2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI)

Modify Date: 2025-08-25 20:06:48

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure
2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) structure
 Common Name 2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI)
CAS Number 5333-03-9 Molecular Weight 320.33900
Density 1.239g/cm3 Boiling Point 516.9ºC at 760 mmHg
Molecular Formula C20H16O4 Melting Point N/A
MSDS N/A Flash Point 229ºC

 Names

Name 2,5-bis(4-methoxyphenyl)cyclohexa-2,5-diene-1,4-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.239g/cm3
Boiling Point 516.9ºC at 760 mmHg
Molecular Formula C20H16O4
Molecular Weight 320.33900
Flash Point 229ºC
Exact Mass 320.10500
PSA 52.60000
LogP 3.32260
Index of Refraction 1.608
InChIKey JZJYUHYPMJANNP-UHFFFAOYSA-N
SMILES COc1ccc(C2=CC(=O)C(c3ccc(OC)cc3)=CC2=O)cc1

 Safety Information

HS Code 2914509090

 Synthetic Route

2',4,4'',5'-tetramethoxy-1,1':4',1''-terphenyl structure

2',4,4'',5'-tet...

CAS#:206867-53-0

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2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Palmgren, Andreas; Thorarensen, Atli; Baeckvall, Jan-E. Journal of Organic Chemistry, 1998 , vol. 63, # 11 p. 3764 - 3768
1,4-Dibromo-2,5-dimethoxybenzene structure

1,4-Dibromo-2,5...

CAS#:2674-34-2

~%

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Palmgren, Andreas; Thorarensen, Atli; Baeckvall, Jan-E. Journal of Organic Chemistry, 1998 , vol. 63, # 11 p. 3764 - 3768
1,4-Dimethoxybenzene structure

1,4-Dimethoxybenzene

CAS#:150-78-7

~%

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Palmgren, Andreas; Thorarensen, Atli; Baeckvall, Jan-E. Journal of Organic Chemistry, 1998 , vol. 63, # 11 p. 3764 - 3768
Anisole structure

Anisole

CAS#:100-66-3

1,4-Benzoquinone structure

1,4-Benzoquinone

CAS#:106-51-4

~%

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Pummerer; Prell Chemische Berichte, 1922 , vol. 55, p. 3114 Full Text Show Details Pummerer Patent: DE459739 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 16, p. 419
4'-Methoxyacetanilide structure

4'-Methoxyaceta...

CAS#:51-66-1

~%

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Akagi; Hirose Yakugaku Zasshi, 1942 , vol. 62, p. 191,193 Chem.Abstr., 1951 , p. 6169
Acetamide,N-(4-methoxyphenyl)-N-nitroso- structure

Acetamide,N-(4-...

CAS#:14839-81-7

1,4-Benzoquinone structure

1,4-Benzoquinone

CAS#:106-51-4

~%

2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI) Structure

2,5-Cyclohexadi...

CAS#:5333-03-9

Literature: Akagi; Hirose Yakugaku Zasshi, 1942 , vol. 62, p. 191,193 Chem.Abstr., 1951 , p. 6169

 Customs

HS Code 2914509090
Summary HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Synonyms

2,5-Di-p-anisyl-1,4-benzoquinone
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Chemsrc provides CAS#:5333-03-9 MSDS, density, melting point, boiling point, structure, etc. Its name is 2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI)>> amp version: 2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)- (9CI)

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