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Basic Information
| CAS No.: | 7469-77-4 |
|---|---|
| Name: | 2-METHYL-1-NAPHTHOL |
| Article Data: | 60 |
| Molecular Structure: | |
|
|
|
| Formula: | C11H10 O |
| Molecular Weight: | 158.2 |
| Synonyms: | 1-Naphthol,2-methyl- (7CI,8CI); 1-Hydroxy-2-methylnaphthalene;1-Hydroxy-2-methylnaphththalene; 2-Methyl-1-naphthalenol; 2-Methyl-1-naphthol;2-Methyl-a-naphthol; NSC 402211 |
| Density: | 1.144g/cm3 |
| Melting Point: |
64-66 °C(lit.) |
| Boiling Point: | 304.3°C at 760 mmHg |
| Flash Point: | 147.1°C |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | R37/38; R41 |
| PSA: | 20.23000 |
| LogP: | 2.85380 |
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Synthetic route
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- 7469-77-4
2-methylnaphthalen-1-ol
Conditions
| Conditions | Yield |
|---|---|
| palladium-carbon In nitrogen; toluene | 98.5% |
Conditions
| Conditions | Yield |
|---|---|
| With formaldehyd; hydrogen; dimethyl amine; Pd-C In ethanol | 97.5% |
- 135678-58-9
(1α,4α)-1,2,3,4-tetrahydro-2β-methyl-1,4-epoxynaphthalen-2α-ol
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2-methylnaphthalen-1-ol
Conditions
| Conditions | Yield |
|---|---|
| With toluene-4-sulfonic acid In toluene for 5.5h; Heating; | 97% |
Conditions
| Conditions | Yield |
|---|---|
| Conversion of starting material; | 96% |
| Conversion of starting material; | 94% |
| Conversion of starting material; | 93% |
- 7469-77-4
2-methylnaphthalen-1-ol
Conditions
| Conditions | Yield |
|---|---|
| Pd-C In ethanol | 95% |
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2-methylnaphthalen-1-yl dichloroacetate
- 7469-77-4
2-methylnaphthalen-1-ol
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide In ethanol at 0℃; for 0.5h; | 94.7% |
Conditions
| Conditions | Yield |
|---|---|
| With (difluoroboryl)dimethylglyoximatocobalt(II) bis(acetonitrile); boron trifluoride diethyl etherate; 3-cyano-N-methyl-quinolinium perchlorate In acetonitrile at 20℃; for 0.5h; Irradiation; Inert atmosphere; Flow reactor; | 94% |
| With carbon disulfide; bromine Kochen des Reaktionsprodukts mit N.N-Dimethyl-anilin; | |
| palladium on activated charcoal at 260℃; | |
| Multi-step reaction with 2 steps 1: 71 percent / Et3N / dimethylformamide 2: 95 percent Chromat. / trityltetrafluoroborate, 2,6-lutidin / CH2Cl2 / 1 h / Ambient temperature; further reagents: tritylperchlorate View Scheme |
Conditions
| Conditions | Yield |
|---|---|
| With lithium aluminium tetrahydride In tetrahydrofuran at 66℃; for 4h; Cooling with ice; Inert atmosphere; | 88% |
| With lithium aluminium tetrahydride In tetrahydrofuran for 1h; Heating; | 70% |
| With lithium aluminium tetrahydride Yield given; |
- 127136-78-1
C15H21N2O2P
- 7469-77-4
2-methylnaphthalen-1-ol
Conditions
| Conditions | Yield |
|---|---|
| In formic acid for 1h; Heating; | 87.6% |
| With formic acid for 1h; Product distribution; Heating; | 87% |
Conditions
| Conditions | Yield |
|---|---|
| With cesiumhydroxide monohydrate; bis[(trimethylsilyl)methyl](1,5-cyclooctadiene)palladium(II); 2-((di-adamantan-1-yl)phosphaneyl)-1-(2,6-diisopropylphenyl)-1H-imidazole In tetrahydrofuran at 24℃; for 20h; Inert atmosphere; | 87% |
| Stage #1: 1-bromo-2-methylnaphtalene With potassium hydroxide; tris-(dibenzylideneacetone)dipalladium(0); 2-((di-adamantan-1-yl)phosphaneyl)-1-(2,6-diisopropylphenyl)-1H-imidazole In 1,4-dioxane; water at 100℃; for 20h; Inert atmosphere; Stage #2: With hydrogenchloride In 1,4-dioxane; water at 20℃; Inert atmosphere; | 83% |
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2-METHYL-1-NAPHTHOL
Chemistry
The Molecular formula of 2-METHYL-1-NAPHTHOL(7469-77-4): C11H10O
The Molecular Weight of 2-METHYL-1-NAPHTHOL(7469-77-4): 158.2
Molecular Structure :
EINECS: 231-265-2
Index of Refraction: 1.656
Molar Refractivity: 50.8 cm3
Molar Volume: 138.2 cm3
Polarizability: 20.13 10 -24 cm3
Surface Tension: 47.9 dyne/cm
Boiling Point: 304.3 °C at 760 mmHg
Flash Point: 147.1 °C
Density: 1.144 g/cm3
Enthalpy of Vaporization: 56.64 kJ/mol
Vapour Pressure: 0.00049 mmHg at 25°C
IUPAC Name: 2-methylnaphthalen-1-ol
Synonyms: 2-METHYL-1-NAPHTHOL;2-Methylnaphthalen-1-ol
The Molecular Weight of 2-METHYL-1-NAPHTHOL(7469-77-4): 158.2
Molecular Structure :
EINECS: 231-265-2
Index of Refraction: 1.656
Molar Refractivity: 50.8 cm3
Molar Volume: 138.2 cm3
Polarizability: 20.13 10 -24 cm3
Surface Tension: 47.9 dyne/cm
Boiling Point: 304.3 °C at 760 mmHg
Flash Point: 147.1 °C
Density: 1.144 g/cm3
Enthalpy of Vaporization: 56.64 kJ/mol
Vapour Pressure: 0.00049 mmHg at 25°C
IUPAC Name: 2-methylnaphthalen-1-ol
Synonyms: 2-METHYL-1-NAPHTHOL;2-Methylnaphthalen-1-ol
Safety Profile
The Hazard Codes of 2-METHYL-1-NAPHTHOL(7469-77-4): 
Xi
The Risk Statements information of 2-METHYL-1-NAPHTHOL(7469-77-4):
41: Risk of serious damage to eyes
37/38: Irritating to respiratory system and skin
The Safety Statements information of 2-METHYL-1-NAPHTHOL(7469-77-4):
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39: Wear eye/face protection
WGK Germany: 3
Xi The Risk Statements information of 2-METHYL-1-NAPHTHOL(7469-77-4):
41: Risk of serious damage to eyes
37/38: Irritating to respiratory system and skin
The Safety Statements information of 2-METHYL-1-NAPHTHOL(7469-77-4):
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39: Wear eye/face protection
WGK Germany: 3