Basic information
- Name:
7-Methoxy-2-tetralone
- CAS No.:
4133-34-0
- Molecular Structure:
- Formula:
- C11H12O2
- Molecular Weight:
- 176.21
- Synonyms:
- 7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-one;7-methoxytetralin-2-one;7-Methoxy-3,4-dihydronaphthalen-2(1H)-one;7-methoxy-3,4-dihydronaphthalen-2-one;
- EINECS:
- 223-954-1
- Density:
- 1.124 g/cm3
- Boiling Point:
- 306.8 °C at 760 mmHg
- Flash Point:
- 150.8 °C
- Appearance:
- Clear yellow to orange liquid after melting
- Hazard Symbols:
Xn, 
Xi- Risk Codes:
- 20/21/22-36/37/38
- Safety Description:
- 24/25-36-26 Details
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Chemistry
Molecular Structure:
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Molecular Formula: C11H12O2
Molecular Weight: 176.2118
IUPAC Name: 7-Methoxy-3,4-dihydro-1H-naphthalen-2-one
Synonyms of 7-Methoxy-2-tetralone (CAS NO.4133-34-0): EINECS 223-954-1 ; 7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-one
CAS NO: 4133-34-0
Product Categories: Benzocycles ; Aromatic Ketones (substituted) ; API intermediates ; Fused Ring Systems ; C11 to C12 ; Carbonyl Compounds ; Ketones
Index of Refraction: 1.548
Molar Refractivity: 49.84 cm3
Molar Volume: 156.7 cm3
Surface Tension: 40.8 dyne/cm
Density: 1.124 g/cm3
Flash Point: 150.8 °C
Enthalpy of Vaporization: 54.73 kJ/mol
Boiling Point: 306.8 °C at 760 mmHg
Vapour Pressure: 0.000754 mmHg at 25°C
Uses
7-Methoxy-2-tetralone (CAS NO.4133-34-0) is used as pharmaceutical intermediates.
Safety Profile
Hazard Codes of 7-Methoxy-2-tetralone (CAS NO.4133-34-0): 
Xi,Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26
S24/25: Avoid contact with skin and eyes.
S36: Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
