3,4-dihydro-8-methyl naphthalenone

Modify Date: 2025-08-28 16:54:43

3,4-dihydro-8-methyl naphthalenone Structure
3,4-dihydro-8-methyl naphthalenone structure
 Common Name 3,4-dihydro-8-methyl naphthalenone
CAS Number 51015-28-2 Molecular Weight 160.21200
Density 1.074g/cm3 Boiling Point 282.8ºC at 760mmHg
Molecular Formula C11H12O Melting Point N/A
MSDS N/A Flash Point 118.7ºC

 Names

Name 8-methyl-3,4-dihydro-2H-naphthalen-1-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.074g/cm3
Boiling Point 282.8ºC at 760mmHg
Molecular Formula C11H12O
Molecular Weight 160.21200
Flash Point 118.7ºC
Exact Mass 160.08900
PSA 17.07000
LogP 2.51400
Index of Refraction 1.557
InChIKey ACEWUDFEONXYQH-UHFFFAOYSA-N
SMILES Cc1cccc2c1C(=O)CCC2

 Safety Information

HS Code 2914399090

 Synthetic Route

8-(tetrahydro-pyran-2-yloxymethyl)-3,4-dihydro-2H-naphthalen-1-one structure

8-(tetrahydro-p...

CAS#:628731-57-7

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3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: ALLERGAN, INC. Patent: WO2003/99795 A1, 2003 ; Location in patent: Page 73, 74 ; WO 03/099795 A1
6-methyl-3,4,4aβ,5,8,8a-hexahydro-1(2H)-naphthalenone structure

6-methyl-3,4,4a...

CAS#:119468-10-9

~58%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Liu, Hsing-Jang; Ngooi, Teng Ko; Browne, Eric N. C. Canadian Journal of Chemistry, 1988 , vol. 66, p. 3143 - 3152
5-METHYLTETRALIN structure

5-METHYLTETRALIN

CAS#:2809-64-5

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3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Demole,E.; Enggist,P. Helvetica Chimica Acta, 1978 , vol. 61, p. 1335 - 1341
1-methyl-5-benzoyl-5,6,7,8-tetrahydronaphthalene structure

1-methyl-5-benz...

CAS#:246162-34-5

~%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Banerjee, Ajoy K.; Azocar, Jose A.; Vera, William Synthetic Communications, 1999 , vol. 29, # 17 p. 2995 - 3001
6-hydroxy-8a-methyl-1,2,3,4,6,8a-hexahydronaphthalen-1-yl benzoate structure

6-hydroxy-8a-me...

CAS#:246162-32-3

~%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Banerjee, Ajoy K.; Azocar, Jose A.; Vera, William Synthetic Communications, 1999 , vol. 29, # 17 p. 2995 - 3001
8aβ-carbomethoxy-8β-methyl-3,4,4aβ,5,8,8a-hexahydro-1(2H)-naphthalenone structure

8aβ-carbomethox...

CAS#:84328-60-9

~%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Liu, Hsing-Jang; Ngooi, Teng Ko; Browne, Eric N. C. Canadian Journal of Chemistry, 1988 , vol. 66, p. 3143 - 3152
5-METHYLTETRALIN structure

5-METHYLTETRALIN

CAS#:2809-64-5

~28%

5-Methyl-1-tetralone structure

5-Methyl-1-tetralone

CAS#:6939-35-1

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Boberg, Friedrich; Jachiewicz, Adam; Garming, Alfons Phosphorus, Sulfur and Silicon and the Related Elements, 1992 , vol. 72, # 1-4 p. 1 - 12
(3 4-DIHYDRO-1-NAPHTHYLOXY)TRIMETHYL- structure

(3 4-DIHYDRO-1-...

CAS#:38858-72-9

methyl iodide structure

methyl iodide

CAS#:74-88-4

~%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: McCague Tetrahedron Asymmetry, 1990 , vol. 1, # 2 p. 97 - 110
8-methyl-1,2,3,4-tetrahydronaphthalen-1-ol structure

8-methyl-1,2,3,...

CAS#:246162-37-8

~87%

3,4-dihydro-8-methyl naphthalenone Structure

3,4-dihydro-8-m...

CAS#:51015-28-2

Literature: Banerjee, Ajoy K.; Azocar, Jose A.; Vera, William Synthetic Communications, 1999 , vol. 29, # 17 p. 2995 - 3001

 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

1(2H)-Naphthalenone,3,4-dihydro-8-methyl
8-Methyl-1-tetralone
EINECS 256-912-6
3,4-dihydro-8-methylnaphthalen-1(2H)-one
8-Methyl-1,2,3,4-tetrahydronaphthalin-1-on
8-methyl-3,4-dihydro-1(2H)-naphthalenone
8-Methyl-3,4-dihydro-2H-naphthalin-1-on
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