ChemicalBook > CAS DataBase List > 1 5-DIMETHOXYNAPHTHALENE 97

1 5-DIMETHOXYNAPHTHALENE 97

Product Name
1 5-DIMETHOXYNAPHTHALENE 97
CAS No.
10075-63-5
Chemical Name
1 5-DIMETHOXYNAPHTHALENE 97
Synonyms
Naphthalene, 1,5-diMethoxy-;1 5-DIMETHOXYNAPHTHALENE 97;1,5-Dimethoxynaphthalene 97%;1,5-DiMethoxynaphthalene
CBNumber
CB9505199
Molecular Formula
C12H12O2
Formula Weight
188.22
MOL File
10075-63-5.mol
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1 5-DIMETHOXYNAPHTHALENE 97 Property

Melting point:
180-184 °C (lit.)
Boiling point:
179 °C(Press: 13 Torr)
Density 
1.097±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
form 
solid
Appearance
Yellow to brown Solid
InChI
InChI=1S/C12H12O2/c1-13-11-7-3-6-10-9(11)5-4-8-12(10)14-2/h3-8H,1-2H3
InChIKey
ANCSPRJFGGDREM-UHFFFAOYSA-N
SMILES
C1(OC)=C2C(C(OC)=CC=C2)=CC=C1
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Safety

WGK Germany 
3
HS Code 
2909309090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
593567
Product name
1,5-Dimethoxynaphthalene
Purity
97%
Packaging
5g
Price
$300
Updated
2023/06/20
TRC
Product number
D470718
Product name
1,5-Dimethoxynaphthalene
Packaging
100mg
Price
$60
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD152660
Product name
1,5-Dimethoxynaphthalene
Packaging
250mg
Price
$75
Updated
2021/12/16
Apolloscientific
Product number
OR954006
Product name
1,5-Dimethoxynaphthalene
Packaging
1g
Price
$142
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD152660
Product name
1,5-Dimethoxynaphthalene
Packaging
1g
Price
$150
Updated
2021/12/16
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1 5-DIMETHOXYNAPHTHALENE 97 Chemical Properties,Usage,Production

Chemical Properties

Class white crystal

Synthesis

83-56-7

77-78-1

10075-63-5

Under nitrogen protection, 100 g (0.62 mol) of 1,5-dihydroxynaphthalene (1) was dissolved in 500 mL (1.25 mol) of 10% NaOH solution and the reaction was carried out in a 2 L two-necked round bottom flask. Subsequently, 156 g (1.24 mol) of dimethyl sulfate was slowly added and the addition process lasted for 1 hour. After the reaction was carried out for 2 hours, the resulting precipitate was collected by vacuum filtration. The precipitate was sequentially washed twice with 200 mL of 5% KOH solution and three times with 200 mL of distilled water, followed by drying. The dried residue was completely dissolved in 1.5 L of benzene at 80 °C, which contained 300 g of activated carbon. The hot solution was filtered and left to cool to give 73 g of 1,5-dimethoxynaphthalene as white crystals. The product properties were as follows: yield 63%, melting point 181.9-182.3 °C, Rf value 0.49 [unfolding agent hexane:ethyl acetate (5:1)].1H-NMR (CDCl3, 400 MHz) data: δ 7.70 (d, J = 8.8 Hz, 2H), 7.38 (t, J = 8.0 Hz, 2H), 6.98 (d, J = 8.0 Hz , 2H), 3.94 (s, 6H).

Purification Methods

Crystallise it from EtOH, AcOH (m 178-180o) or *C6H6. Also distil it in a vacuum. [Beilstein 6 III 5266, 6 IV 6554.]

References

[1] Journal of Chemical Research, 2010, # 9, p. 520 - 521
[2] Israel Journal of Chemistry, 2014, vol. 54, # 5-6, p. 796 - 816
[3] Chemistry - A European Journal, 2015, vol. 21, # 9, p. 3701 - 3707
[4] Angewandte Chemie - International Edition, 2017, vol. 56, # 12, p. 3383 - 3388
[5] Angew. Chem., 2017, vol. 129, # 12, p. 3432 - 3437,6

1 5-DIMETHOXYNAPHTHALENE 97 Preparation Products And Raw materials

Raw materials

Preparation Products

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1 5-DIMETHOXYNAPHTHALENE 97 Suppliers

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View Lastest Price from 1 5-DIMETHOXYNAPHTHALENE 97 manufacturers

Career Henan Chemical Co
Product
1 5-DIMETHOXYNAPHTHALENE 10075-63-5
Price
US $3.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
200KG
Release date
2020-01-09

10075-63-5, 1 5-DIMETHOXYNAPHTHALENE 97Related Search:

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  • Naphthalene, 1,5-diMethoxy-
  • 1,5-<WBR>DiMethoxynaphthalene
  • 1,5-Dimethoxynaphthalene 97%
  • 1 5-DIMETHOXYNAPHTHALENE 97
  • 10075-63-5
  • C10H6OCH32
  • Ethers
  • Organic Building Blocks
  • Oxygen Compounds