1-methoxy-naphthalen
1-Methoxynaphthalene
CAS: 2216-69-5
Molecular Formula: C11H10O
1-methoxy-naphthalen - Names and Identifiers
| Name | 1-Methoxynaphthalene |
| Synonyms | 1-Methoxynaphtalene I-Methoxynaphthalin 1-methoxy-naphthalen 1-Methoxynaphthalene LABOTEST-BB LT00436935 Methyl 1-naphthyl ether 1-Naphthol methyl ether METHYL 1-NAPHTHYL ETHER METHYL A-NAPHTHYL ETHER alpha-Naphthyl methyl ether METHYL-ALPHA-NAPHTHYL ETHER |
| CAS | 2216-69-5 |
| EINECS | 218-696-1 |
| InChI | InChI=1/C11H10O/c1-12-11-8-4-6-9-5-2-3-7-10(9)11/h2-8H,1H3 |
1-methoxy-naphthalen - Physico-chemical Properties
| Molecular Formula | C11H10O |
| Molar Mass | 158.2 |
| Density | 1.09 g/mL at 25 °C (lit.) |
| Melting Point | 5 °C |
| Boling Point | 135-137 °C/12 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | immiscible |
| Solubility | Chloroform, Methanol |
| Vapor Presure | 0.0128mmHg at 25°C |
| Appearance | Oil |
| Specific Gravity | 1.1 |
| Color | Clear Colorless to Yellow |
| BRN | 7748884 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | n20/D 1.621(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid. |
| Use | Used as a dye intermediate |
1-methoxy-naphthalen - Risk and Safety
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 3082 9/PG III |
| WGK Germany | 3 |
| RTECS | QJ9465500 |
| TSCA | Yes |
| HS Code | 29093090 |
| Hazard Class | 9 |
| Packing Group | III |
1-methoxy-naphthalen - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Basic information | Also known as α-methoxynaphthalene, and 2-methoxynaphthalene (β-methoxynaphthalene) are the isomers of methoxynaphthalene. Colorless crystals. It has an aroma, but not as good as 2-methoxynaphthalene. Relative density 1.0964 (14 ℃). Boiling point 269 ℃, 135 ℃(1 ∶ 333 × 103Pa). 1.6940 refractive index. Insoluble in water, soluble in ethanol, ether, benzene and chloroform. 1-Naphthyl ether, also known as 1-methoxynaphthalene and α-methoxynaphthalene, is an organic intermediate, which can be obtained by methylation of 1-naphthol. Methylation reagents can be selected from trifluoroacetate Methyl ester, dimethyl carbonate and dimethyl sulfate. |
| use | 1-methoxynaphthalene is used to study the activity of cytochrome c peroxidase. As a precursor to synthesize isoamyl naphthyl alcohol, with antioxidant activity. Mainly used as film developer. Organic synthesis, insecticides, spices for making soap Used as dye intermediates, spices, due to the weak aroma of 1-methoxynaphthalene, mostly 2-methoxynaphthalene. |
| preparation method | α-naphthol and methanol are used as raw materials, ferric chloride is used as catalyst, heated and refluxed to generate crude 1-methoxynaphthalene, After cooling, the organic phase is separated, or benzene is used to extract, the extraction layer is separated, then decompressed, cooled and crystallized, filtered, washed and dried with cold water, and recrystallized in ether, or sublimation refining, you can get refined 1-methoxynaphthalene. |
Last Update：2024-04-10 22:29:15
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View History
1-methoxy-naphthalen
Cyclo[2,3-didehydroalanyl-L-alanyl-(2S)-2-hydroxy-4-methylpentanoyl-5-phenyl-L-norvalyl] (9CI)
Cyclobutanecarboxylic acid, 2-amino-, methyl ester, (1R,2S)- (9CI)
alpha(sup1),alpha(sup3),2-trihydroxymesitylene
1-[(4-chlorophenoxy)methyl]-1H-pyrazole-5-carbohydrazide
1(2H)-Chrysenone, 3,4,4a,4b,5,6,10b,11,12,12a-decahydro-8-methoxy-, [4aS-(4aα,4bβ,10bα,12aβ)]- (9CI)
氟米龙杂质4
别藻蓝蛋白(APC)
2-Methyl-1-cyclohexanone
5-AMINOMETHYL-PYRIMIDINE-2,4-DIAMINE
Cyclo[2,3-didehydroalanyl-L-alanyl-(2S)-2-hydroxy-4-methylpentanoyl-5-phenyl-L-norvalyl] (9CI)
Cyclobutanecarboxylic acid, 2-amino-, methyl ester, (1R,2S)- (9CI)
alpha(sup1),alpha(sup3),2-trihydroxymesitylene
1-[(4-chlorophenoxy)methyl]-1H-pyrazole-5-carbohydrazide
1(2H)-Chrysenone, 3,4,4a,4b,5,6,10b,11,12,12a-decahydro-8-methoxy-, [4aS-(4aα,4bβ,10bα,12aβ)]- (9CI)
氟米龙杂质4
别藻蓝蛋白(APC)
2-Methyl-1-cyclohexanone
5-AMINOMETHYL-PYRIMIDINE-2,4-DIAMINE