ChemicalBook > CAS DataBase List > 2-Methoxynaphthalene

2-Methoxynaphthalene

Product Name
2-Methoxynaphthalene
CAS No.
93-04-9
Chemical Name
2-Methoxynaphthalene
Synonyms
NEROLIN YARA YARA;YARA YARA;NEROLINE YARA YARA;METHYL 2-NAPHTHYL ETHER;YARA;Jara jara;2-Methoxynaphthalene (Yara Yara);NSC 4171;Yura yara;IMPURITY-M
CBNumber
CB3483471
Molecular Formula
C11H10O
Formula Weight
158.2
MOL File
93-04-9.mol
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2-Methoxynaphthalene Property

Melting point:
70-73 °C (lit.)
Boiling point:
274 °C (lit.)
Density 
1.064 g/mL at 25 °C (lit.)
vapor pressure 
1.097Pa at 25℃
refractive index 
1.5440 (estimate)
FEMA 
4704 | BETA-NAPHTHYL METHYL ETHER
Flash point:
272-274°C
storage temp. 
Sealed in dry,Room Temperature
solubility 
H2O: soluble (completely)
form 
Crystalline Solid
pka
0[at 20 ℃]
color 
White to yellow-brown
Odor
at 1.00 % in dipropylene glycol. sweet naphthyl floral orange blossom acacia neroli
Odor Type
naphthyl
Water Solubility 
INSOLUBLE
Merck 
14,5997
JECFA Number
1257
BRN 
1859408
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
LUZDYPLAQQGJEA-UHFFFAOYSA-N
LogP
3.318 at 25℃
CAS DataBase Reference
93-04-9(CAS DataBase Reference)
NIST Chemistry Reference
Naphthalene, 2-methoxy-(93-04-9)
EPA Substance Registry System
Naphthalene, 2-methoxy- (93-04-9)
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Safety

Safety Statements 
22-24/25
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
2
RTECS 
QJ9468750
TSCA 
Yes
HS Code 
29093090
Toxicity
LD50 oral in rat: > 5gm/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

P391Collect spillage. Hazardous to the aquatic environment

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W470411
Product name
2-Methoxynaphthalene
Purity
≥99%, FG
Packaging
SAMPLE-K
Price
$53
Updated
2024/03/01
Sigma-Aldrich
Product number
W470411
Product name
2-Methoxynaphthalene
Purity
≥99%, FG
Packaging
100G
Price
$109
Updated
2024/03/01
Sigma-Aldrich
Product number
W470411
Product name
2-Methoxynaphthalene
Purity
≥99%, FG
Packaging
1KG
Price
$273
Updated
2024/03/01
Sigma-Aldrich
Product number
PHR2525
Product name
NaproxenImpurityM
Purity
PharmaceuticalSecondaryStandard;CertifiedReferenceMaterial
Packaging
100MG
Price
$534
Updated
2024/03/01
Sigma-Aldrich
Product number
148245
Product name
2-Methoxynaphthalene
Purity
99%
Packaging
100g
Price
$44
Updated
2023/01/07
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2-Methoxynaphthalene Chemical Properties,Usage,Production

Description

β-Naphthyl methyl ether has an intensely sweet, floral odor suggestive of orange blossoms. It is free from naphthol by-odor. It has a sweet, strawberry taste. This may be prepared from potassium β-naphthol and methyl chloride at 300°C; by methylation of β-naphthol with dimethyl sulfate or by direct esterification with methyl alcohol.

Chemical Properties

white powder

Chemical Properties

Methyl 2-Naphthyl Ether forms white crystals (mp 73–74°C) with an intense orange blossom odor.

Chemical Properties

β-Naphthyl methyl ether has an intensely sweet, floral odor suggestive of orange blossoms; free from naphthol by-odor. It has a sweet, strawberry taste

Uses

2-methoxynaphthalene acylation is used as a model reaction to study the catalytic benefits of delamination. It was also used to study the alkali-metal-mediated manganation (AMMMn) reactions.

Uses

2-methoxynaphthalene acylation was used as a model reaction to study the catalytic benefits of delamination. It was also used to study the alkali-metal-mediated manganation (AMMMn) reactions.

Uses

2-Methoxynaphthalene is an Impurity of the non-steroidal anti-inflammatory Naproxen (N377525).

Definition

ChEBI: 2-Methoxynaphthalene is a member of naphthalenes.

Preparation

From postassium β-naphthol and methyl chloride at 300°C; by methylation of β-naphthlol with dimethyl sulfate or by direct esterification with methyl alcohol

Synthesis Reference(s)

Tetrahedron, 48, p. 6439, 1992 DOI: 10.1016/S0040-4020(01)88233-8
Tetrahedron Letters, 22, p. 3463, 1981 DOI: 10.1016/S0040-4039(01)81932-8

Flammability and Explosibility

Not classified

Synthesis

Preparation of 2-Methoxynaphthalene from 2-naphthol.
Principle: Phenols can be methylated to give methyl ethers. Methylation can be done either by using diazomethane or dimethyl sulphate in alkaline medium.
Reaction:

Procedure: Take 0.5 g 2-naphthol and 0.2 g NaOH in 5 ml distilled water in a beaker (25 ml). Heat on a wire gauze to obtain a clear solution. Cool the solution (10-15°C) and then add 0.35 ml dimethyl sulphate drop wise. After the addition is over, warm the mixture for one hour at 70-80°C and then cool. Filter the product and wash it with 10% sodium hydroxide solution and then with water. Dry the product, record the practical yield and re-crystallize it.
Re-crystallization: Dissolve the crude product in minimum amount of ethyl alcohol in a beaker by heating on a water bath. Filter the hot solution and cool the filtrate. Filter the white crystals of the product. Dry and record the melting point and TLC (using toluene as solvent).

Purification Methods

Fractionally distil the ether under vacuum. Crystallise it from absolute EtOH, aqueous EtOH, *C6H6, pet ether or n-heptane, and dry it under vacuum in an Abderhalden pistol or distil it in vacuo. The picrate has m 118o (from EtOH or CHCl3). [Kikuchi et al. J Phys Chem 91 574 1987, Beilstein 6 III 2969, 6 IV 4257.]

2-Methoxynaphthalene Preparation Products And Raw materials

Raw materials

Aurantiol (methyl anthranilate and hydroxycitronellal schiff base) Methanol 1-Naphthylamine Sulfuric acid

Preparation Products

6-METHOXY-2-NAPHTHOIC ACID 6-METHOXY-1,2,3,4-TETRAHYDRONAPHTHALENE 6-Methoxy-2-naphthaldehyde 2-Acetyl-6-methoxynaphthalene DL-6-METHOXY-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
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View Lastest Price from 2-Methoxynaphthalene manufacturers

Jinan Finer Chemical Co., Ltd
Product
2-Methoxynaphthalene 93-04-9
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
≥99%
Supply Ability
2000mt/year
Release date
2022-01-04
Henan Fengda Chemical Co., Ltd
Product
2-Methoxynaphthalene 93-04-9
Price
US $8.00-0.80/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-22
Hebei Duling International Trade Co. LTD
Product
2-Methoxynaphthalene 93-04-9
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000 Ton
Release date
2022-10-24

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