CAS No.4133-34-0,7-Methoxy-2-tetralone Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	4133-34-0
Name:	7-Methoxy-2-tetralone
Article Data:	27

Formula:	C₁₁H₁₂O₂
Molecular Weight:	176.215
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
Melting Point:	27 - 28oC
Boiling Point:	306.8 °C at 760 mmHg
Flash Point:	150.8 °C
Solubility:	1.151g/L at 25℃
Appearance:	Clear yellow to orange liquid after melting
Hazard Symbols:	Xn, Xi
Risk Codes:	20/21/22-36/37/38
Safety:	24/25-36-26
PSA:	26.30000
LogP:	1.75300

Synthetic route

: 75804-69-2
(1S,2R)-7-Methoxy-1,2,3,4-tetrahydro-naphthalene-1,2-diol

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene for 0.25h; Heating;	98%

: 73780-78-6
1-(but-3-yn-1-yl)-4-methoxybenzene

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With 2,6-dichloropyridine N-oxide; C33H54AuClP; sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In 1,2-dichloro-ethane at 50℃; for 6h;	98%

: 1048330-08-0
7-methoxy-3,4-dihydronaphthalen-2(1H)-one sodium hydrogencarbonate

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With hydrogenchloride In water; toluene at 20℃; for 3h;	92%

: 1190847-93-8
C15H24O4

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With titanium tetrachloride In dichloromethane at 0 - 20℃; for 2h; Friedel Crafts reaction;	85%

: 63320-02-5
6-methoxy-1a,2,3,7b-tetrahydronaphtho[1,2-b]oxirene

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With zinc(II) iodide In benzene for 3h; Heating;	74%
With zinc(II) iodide In benzene

: 1160858-16-1
C13H16O5

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With titanium tetrachloride In dichloromethane at -78 - 20℃; for 4h;	73%

: 153993-00-1
tert-Butyl-[3-(4-methoxy-phenyl)-1-methylene-propoxy]-dimethyl-silane

A: 104-20-1
4-(4-methoxyphenyl)-2-butanone

B: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With naphthalene-1,4-dicarbonitrile In water; acetonitrile for 3h; Irradiation;	A 10% B 72%
With naphthalene-1,4-dicarbonitrile In water; acetonitrile for 4h; Cyclization; desilylation; Irradiation;	A 10% B 72%

: 6-Methoxy-2,3-dihydro-1aH-1-oxa-cyclopropa[a]naphthalene-7b-carboxylic acid amide

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With hydrogenchloride Heating;	70%

: 3469-26-9
2,7-Dimethoxynaphthalene

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With ethanol; sodium und anschlissend mit wss.HCl;
With hydrogenchloride; ammonia; sodium 1) EtOH, Et2O, THF, -78 deg C; Yield given. Multistep reaction;
With hydrogenchloride; ethanol; sodium 1.) reflux, 1 h, 2.) EtOH, reflux, 30 min; Multistep reaction;

: 60683-71-8
1,4-dihydro-2,7-dimethoxynaphthalene

: 4133-34-0
7-methoxyl-2-tetralone

Conditions

Conditions	Yield
With hydrogenchloride
With hydrogenchloride In acetone for 0.5h; Heating;	8.2 g
With hydrogenchloride In water; acetone at 25 - 30℃; for 0.25h;	0.42 g

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Chemistry

Molecular Structure:

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): Irritant 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