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7-Methoxy-2-tetralone

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7-Methoxy-2-tetralone Basic information

Product Name:
7-Methoxy-2-tetralone
Synonyms:
  • 7-METHOXY-3,4-DIHYDRONAPHTHALEN-2(1H)-ONE
  • 7-METHOXY-2-TETRALONE
  • 3,4-DIHYDRO-7-METHOXY-2(1H)-NAPHTHALENONE
  • 2(1H)-NAPHTHALENONE, 3,4-DIHYDRO-7-METHOXY-
  • 7-methoxy-1,2,3,4-tetrahydronaphthalen-2-one
  • 7-Methoxy-2-Tetralone(7-OHO)
  • 7-Methoxyl-2-Tetralone
  • 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one 97%
CAS:
4133-34-0
MF:
C11H12O2
MW:
176.21
EINECS:
223-954-1
Product Categories:
  • Building Blocks
  • C11 to C12
  • Carbonyl Compounds
  • Chemical Synthesis
  • Organic Building Blocks
  • C11 to C12
  • Carbonyl Compounds
  • Ketones
  • Fused Ring Systems
  • API intermediates
  • Benzocycles
  • Aromatic Ketones (substituted)
Mol File:
4133-34-0.mol
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7-Methoxy-2-tetralone Chemical Properties

Melting point:
23-24 °C
Boiling point:
124-126 °C/1.5 mmHg (lit.)
Density 
1.13 g/mL at 25 °C (lit.)
vapor pressure 
0.19Pa at 25℃
refractive index 
n20/D 1.566(lit.)
Flash point:
>230 °F
storage temp. 
2-8°C
form 
Liquid After Melting
color 
Clear yellow to orange
Specific Gravity
1.130
Water Solubility 
1.151g/L at 25℃
BRN 
1953198
InChI
InChI=1S/C11H12O2/c1-13-11-5-3-8-2-4-10(12)6-9(8)7-11/h3,5,7H,2,4,6H2,1H3
InChIKey
XEAPZXNZOJGVCZ-UHFFFAOYSA-N
SMILES
C1C2=C(C=CC(OC)=C2)CCC1=O
LogP
1.99 at 25℃
CAS DataBase Reference
4133-34-0(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
20/21/22-36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
3
HS Code 
29145090
Storage Class
10 - Combustible liquids

MSDS

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7-Methoxy-2-tetralone Usage And Synthesis

Chemical Properties

Clear yellow to orange liquid after melting

Uses

7-Methoxy-2-tetralone was used in the synthesis of 2-bromo-3,4-dihydro-7-methoxy-1-naphthaldehyde and 2-substituted octahydrobenzo[f]quinolines.

Flammability and Explosibility

Not classified

Synthesis

2,7-Dimethoxynaphthalene was dissolved in an organic solvent and reacted in the presence of anhydrous ethanol and sodium metal at -20??C to 5??C to produce intermediate (I). The intermediate (I) was dissolved in an organic ketone solvent (e.g. acetone or cyclohexanone) and then reacted under the condition that the pH of the reaction system was adjusted to 1-3 by dilute hydrochloric acid to obtain 7-methoxy-2-naphthalenemannone.

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