7-methylchroman-2-one

Modify Date: 2024-01-09 15:31:29

7-methylchroman-2-one Structure
7-methylchroman-2-one structure
 Common Name 7-methylchroman-2-one
CAS Number 20921-01-1 Molecular Weight 162.18500
Density 1.157g/cm3 Boiling Point 291.1ºC at 760 mmHg
Molecular Formula C10H10O2 Melting Point N/A
MSDS N/A Flash Point 117.8ºC

 Names

Name 7-methyl-3,4-dihydrochromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.157g/cm3
Boiling Point 291.1ºC at 760 mmHg
Molecular Formula C10H10O2
Molecular Weight 162.18500
Flash Point 117.8ºC
Exact Mass 162.06800
PSA 26.30000
LogP 1.84660
Vapour Pressure 0.00199mmHg at 25°C
Index of Refraction 1.555

 Safety Information

HS Code 2932209090

 Synthetic Route

7-Methylcoumarin structure

7-Methylcoumarin

CAS#:2445-83-2

~99%

7-methylchroman-2-one Structure

7-methylchroman...

CAS#:20921-01-1

Literature: Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10
3-(4-Methylphenyl)propanoic acid structure

3-(4-Methylphen...

CAS#:1505-50-6

~80%

7-methylchroman-2-one Structure

7-methylchroman...

CAS#:20921-01-1

Literature: Gu, Yonghong; Xue, Kun Tetrahedron Letters, 2010 , vol. 51, # 1 p. 192 - 196
m-Cresol structure

m-Cresol

CAS#:108-39-4

~%

7-methylchroman-2-one Structure

7-methylchroman...

CAS#:20921-01-1

Literature: Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10
3-(3-METHYLPHENOXY)PROPIONIC ACID structure

3-(3-METHYLPHEN...

CAS#:25173-36-8

benzene structure

benzene

CAS#:71-43-2

~%

7-methylchroman-2-one Structure

7-methylchroman...

CAS#:20921-01-1

Literature: Powell; Johnson Journal of the American Chemical Society, 1924 , vol. 46, p. 2863
1,1,1-trifluoro-4-(4-methylphenyl)butan-2-one structure

1,1,1-trifluoro...

CAS#:288310-94-1

~%

2H-1-Benzopyran-2-one,3,4-dihydro-6-methyl- structure

2H-1-Benzopyran...

CAS#:92-47-7

7-methylchroman-2-one Structure

7-methylchroman...

CAS#:20921-01-1

Literature: Yang, Dan; Wong, Man-Kin; Yan, Zheng Journal of Organic Chemistry, 2000 , vol. 65, # 13 p. 4179 - 4184

 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

dihydrocoumarin
7-methyldihydrocoumarin
3,4-dihydro-7-methyl-2H-1-benzopyran-2-one
7-methyl-3,4-dihydro-2h-chromen-2-one
3,4-dihydro-7-methylcoumarin
7-methyl-3,4-dihydrocoumarin
7-Methyl-chroman-2-one
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