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2,5-Dihydro-2,5-dimethoxyfuran

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Name

2,5-Dihydro-2,5-dimethoxyfuran

EINECS 206-367-5
CAS No. 332-77-4 Density 1.06 g/cm3
PSA 27.69000 LogP 0.51780
Solubility N/A Melting Point < -40°C
Formula C6H10O3 Boiling Point 161 °C at 760 mmHg
Molecular Weight 130.144 Flash Point 47.2 °C
Transport Information UN 1993 Appearance Colorless to light yellow liquid
Safety 16-29-33 Risk Codes 10
Molecular Structure Molecular Structure of 332-77-4 (2,5-Dihydro-2,5-dimethoxyfuran) Hazard Symbols R10:;
Synonyms

2,5-Dihydro-2,5-dimethoxyfuran;2,5-Dimethoxy-2,5-dihydrofuran;NSC 43243;

Article Data 26

2,5-Dihydro-2,5-dimethoxyfuran Synthetic route

67-56-1

methanol

332-77-4

2,5-dihydro-2,5-dimethoxyfuran

Conditions
ConditionsYield
With ammonium bromide at -22℃; for 7.5h; Electrochemical reaction;85%
With triethylmethylammonium chloride; sodium carbonate at -5 - 5℃; for 10h;85.3%
With tris(2,2'-bipyridyl)ruthenium dichloride at 20℃; under 760.051 Torr; Reagent/catalyst; Irradiation;82%
67-56-1

methanol

332-77-4

2,5-dihydro-2,5-dimethoxyfuran

Conditions
ConditionsYield
Stage #1: methanol; 1,4-butenediol With tributylmethylammonium methanesulfonate; phosphoric acid at 22℃; for 19h; Electrolysis;
Stage #2: With sodium methylate In methanol pH=8 - 9;
46%
67-56-1

methanol

127-08-2

potassium acetate

A

332-77-4

2,5-dihydro-2,5-dimethoxyfuran

B

859303-52-9

2-Acetoxy-5-methoxy-2,5-dihydro-furan

Conditions
ConditionsYield
With bromine
67-56-1

methanol

7726-95-6

bromine

127-08-2

potassium acetate

A

332-77-4

2,5-dihydro-2,5-dimethoxyfuran

B

859303-52-9

2-Acetoxy-5-methoxy-2,5-dihydro-furan

67-56-1

methanol

ammonium bromide

A

332-77-4

2,5-dihydro-2,5-dimethoxyfuran

B

5370-08-1

1,1,4,4-tetramethoxy-2-butene

Conditions
ConditionsYield
Electrolysis;
332-77-4

2,5-dihydro-2,5-dimethoxyfuran

23008-77-7

3-(2-hydroxyphenyl)-3-oxopropanoate ethyl ester

ethyl 2-(furan-2-yl)-3-(2-hydroxyphenyl)-3-oxopropanoate

Conditions
ConditionsYield
With K10 Montmorillonite Clay In neat (no solvent) at 80℃; for 2h; Catalytic behavior; Solvent; Temperature; Green chemistry;96%
332-77-4

2,5-dihydro-2,5-dimethoxyfuran

(Carboxy-methoxy-methoxy)-methoxy-acetic acid

Conditions
ConditionsYield
With potassium permanganate In potassium hydroxide for 2h;95%
332-77-4

2,5-dihydro-2,5-dimethoxyfuran

107-02-8

acrolein

Conditions
ConditionsYield
With potassium permanganate In potassium hydroxide for 2.5h;95%
332-77-4

2,5-dihydro-2,5-dimethoxyfuran

2881-83-6

ethyl 4-methoxybenzoylacetate

719311-02-1

2-furan-2-yl-3-(4-methoxy-phenyl)-3-oxo-propionic acid ethyl ester

Conditions
ConditionsYield
With zinc(II) chloride at 80℃;95%
332-77-4

2,5-dihydro-2,5-dimethoxyfuran

57595-95-6

methyl 6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate

116672-79-8

carbomethoxy-2 (furyl-2)-2 dimethoxy-6,7 dihydro-3,4 naphtalenone-1

Conditions
ConditionsYield
With zinc(II) chloride In tetrahydrofuran; acetic acid for 1h; Heating;94%
With acetic acid; zinc(II) chloride In tetrahydrofuran Heating;90%

2,5-Dihydro-2,5-dimethoxyfuran Specification

The Furan,2,5-dihydro-2,5-dimethoxy-, with CAS registry number 332-77-4, belongs to the following product categories: (1)Aromatic Hydrocarbons (substituted) & Derivatives; (2)Furan&Benzofuran; (3)Furans; (4)Pharmaceutical. It has the systematic name of 2,5-dimethoxy-2,5-dihydrofuran. This chemical is a kind of colorless to light yellow liquid. This chemical is used as the intermediate of Atropine Sulfate. What's more, its EINECS is 206-367-5.

Physical properties of Furan,2,5-dihydro-2,5-dimethoxy-: (1)ACD/LogP: -1.00; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1; (4)ACD/LogD (pH 7.4): -1; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 6.78; (8)ACD/KOC (pH 7.4): 6.78; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 27.69 Å2; (13)Index of Refraction: 1.448; (14)Molar Refractivity: 32.86 cm3; (15)Molar Volume: 122.7 cm3; (16)Polarizability: 13.02×10-24cm3; (17)Surface Tension: 29.1 dyne/cm; (18)Density: 1.06 g/cm3; (19)Flash Point: 47.2 °C; (20)Enthalpy of Vaporization: 38.12 kJ/mol; (21)Boiling Point: 161 °C at 760 mmHg; (22)Vapour Pressure: 3.02 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The Furan,2,5-dihydro-2,5-dimethoxy- is flammable, so keep it away from sources of ignition. You should not empty it into drains. And you should take precautionary measures against static discharges.

You can still convert the following datas into molecular structure:
(1)SMILES: O(C)C/1OC(OC)\C=C\1
(2)InChI: InChI=1/C6H10O3/c1-7-5-3-4-6(8-2)9-5/h3-6H,1-2H3
(3)InChIKey: WXFWXFIWDGJRSC-UHFFFAOYAI
(4)Std. InChI: InChI=1S/C6H10O3/c1-7-5-3-4-6(8-2)9-5/h3-6H,1-2H3
(5)Std. InChIKey: WXFWXFIWDGJRSC-UHFFFAOYSA-N

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