3,4-dimethylchromen-2-one

Modify Date: 2025-08-26 19:04:53

3,4-dimethylchromen-2-one Structure
3,4-dimethylchromen-2-one structure
Common Name 3,4-dimethylchromen-2-one
CAS Number 4281-39-4 Molecular Weight 174.19600
Density 1.138g/cm3 Boiling Point 303.9ºC at 760 mmHg
Molecular Formula C11H10O2 Melting Point N/A
MSDS N/A Flash Point 124ºC

 Names

Name 3,4-dimethylchromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.138g/cm3
Boiling Point 303.9ºC at 760 mmHg
Molecular Formula C11H10O2
Molecular Weight 174.19600
Flash Point 124ºC
Exact Mass 174.06800
PSA 30.21000
LogP 2.40980
Index of Refraction 1.555

 Safety Information

HS Code 2932209090

 Synthetic Route

~91%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Motoyoshiya, Jiro; Teranishi, Akinori; Mikoshiba, Reiko; Yamamoto, Iwao; Gotoh, Haruo Journal of Organic Chemistry, 1980 , vol. 45, # 26 p. 5385 - 5387

~85%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Martin, Tioga J.; Vakhshori, Venus G.; Tran, Yang S.; Kwon, Ohyun Organic Letters, 2011 , vol. 13, # 10 p. 2586 - 2589

~%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Dittmer, Donald C.; Li, Qun; Avilov, Dimitry V. Journal of Organic Chemistry, 2005 , vol. 70, # 12 p. 4682 - 4686

~%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Martin, Tioga J.; Vakhshori, Venus G.; Tran, Yang S.; Kwon, Ohyun Organic Letters, 2011 , vol. 13, # 10 p. 2586 - 2589

~%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Heilbron et al. Journal of the Chemical Society, 1933 , p. 430,432 Journal of the Chemical Society, 1934 , p. 1581

~%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Peters; Simonis Chemische Berichte, 1908 , vol. 41, p. 831

~%

3,4-dimethylchromen-2-one Structure

3,4-dimethylchr...

CAS#:4281-39-4

Literature: Falsone, Gioacchino; Spur, Bernd; Wingen, Peter H. Archiv der Pharmazie (Weinheim, Germany), 1983 , vol. 316, # 9 p. 763 - 766

~%

Detail
Literature: Peters; Simonis Chemische Berichte, 1908 , vol. 41, p. 831

 Customs

HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,4-Dimethylcumarin
3,4-DIMETHYL-CHROMEN-2-ONE
2H-1-Benzopyran-2-one,3,4-dimethyl
3,4-Dimethyl-2H-chromen-2-one
3,4-Dimethylcoumarin
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