Nerolin Yara Yara
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Nerolin Yara Yara

Nerolin yara yaras cas-kode er 93-04-9.

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Nerolin yara yara Grunnleggende informasjon


Produktnavn:

Nerolin yara yara

CAS:

93-04-9

MF:

C11H10O

MW:

158.2

EINECS:

202-213-6

Mol-fil:

93-04-9.mol



Nerolin yara yara Chemical Properties


Smeltepunkt

70-73 ° C (opplyst)

Boiling point 

274 °C(lit.)

density 

1.064 g/mL at 25 °C(lit.)

FEMA

4704 | BETA-Naftylmetyleter

brytningsindeks

1.5440 (estimate)

Fp 

272-274°C

lagringstemperatur

Oppbevares under + 30 ° C.

solubility 

H2O: løselig (fullstendig)

skjema

Crystalline Solid

farge

White to yellow-brown

Water Solubility 

INSOLUBLE

JECFA-nummer

1257

Merck 

14,5997

BRN 

1859408

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

InChIKey

LUZDYPLAQQGJEA-UHFFFAOYSA-N

CAS DataBase Reference

93-04-9 (CAS DataBase Reference)

NIST Chemistry Reference

Naphthalene, 2-methoxy-(93-04-9)

EPA Substance Registry System

Naftalen, 2-metoksy- (93-04-9)


Nerolin yara yara sikkerhetsinformasjon


Safety Statements 

22-24/25

RIDADR 

UN 3077 9 / PGIII

WGK Germany 

2

RTECS

QJ9468750

TSCA

Ja

HS Code 

29093090

Toksisitet

LD50 oral in rat: > 5gm/kg


Nerolin yara yara Bruk og syntese


Beskrivelse

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.

Kjemiske egenskaper

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

Kjemiske egenskaper

hvitt pulver

Kjemiske egenskaper

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

Uses

2-metoksynaftalen er en urenhet av det ikke-steroide antiinflammatoriske Naproxen (N377525).

Forberedelse

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

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


Råvarer

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

Preparation Products

2-Acetyl-6-metoksynaftalen -> DL-6-METOKSY-ALFA-METYL-2-Naftalenalenmetanol -> 6-METOKSY-2-Naftosyre -> 6-metoksy-2-naftaldehyd -> 6-METOKSY -1,2,3,4-TETRAHYDRONAFTALEN


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