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3,5-Dimethoxybenzaldehyde
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Name

3,5-Dimethoxybenzaldehyde

 EINECS 230-772-6
CAS No. 7311-34-4 Density 1.114 g/cm3
PSA 35.53000 LogP 1.51630
Solubility insoluble in water Melting Point 45-48 °C(lit.)
Formula C9H10O3 Boiling Point 276.5 °C at 760 mmHg
Molecular Weight 166.177 Flash Point 119 °C
Transport Information N/A Appearance white to beige crystalline solid
Safety 26-36-24/25 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 7311-34-4 (3,5-Dimethoxybenzaldehyde) Hazard Symbols IrritantXi
Synonyms

Benzaldehyde, 3,5-dimethoxy-;

Article Data 119

3,5-Dimethoxybenzaldehyde Synthetic route

34967-25-4

3,5-dimethoxybenzaldoxime

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With benzyltriphenylphosphonium dichromate In acetonitrile for 0.25h; Oxidation; Heating;100%
With 1,4-dichloro-1,4-diazoniabicyclo[2,2,2]octane bischloride In water at 50℃; for 0.333333h; pH=7;85%
With quinolinium chlorochromate(VI) for 0.583333h;50%
705-76-0

3,5-dimethoxybenzyl alcohol

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With silica-supported Jones reagent In dichloromethane for 0.00269444h;99.5%
With 1,2-dimethyl-3-[6-(methylsulfinyl)hexyl]-1H-imidazolium triflate; oxalyl dichloride; triethylamine In dichloromethane; acetonitrile at -78 - 20℃; Swern oxidation;97%
With Dess-Martin periodane In dichloromethane at 0℃; Inert atmosphere;96%
26153-38-8

3,5-dihydroxybenzaldehyde

74-88-4

methyl iodide

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃;99%
With potassium carbonate In acetone at 80℃; for 12h; Inert atmosphere; Schlenk technique;92%
With potassium carbonate In acetone Heating;90%
Stage #1: 3,5-dihydroxybenzaldehyde With potassium carbonate In acetone at 20℃; for 0.5h; Inert atmosphere;
Stage #2: methyl iodide In acetone for 6h; Reflux; Inert atmosphere;		69.4%
74726-76-4

2-bromo-3,5-dimethoxybenzyl alcohol

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
Stage #1: 2-bromo-3,5-dimethoxybenzyl alcohol With water; lead(IV) tetraacetate; potassium nitrate at 37℃; for 1.5h;
Stage #2: With rhenium(IV) sulfide at 45℃; for 2h; Temperature;		98.5%
4670-10-4

(3,5-dimethoxyphenyl)acetic acid

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With potassium carbonate In chloroform at 20℃; for 24h; Irradiation; Inert atmosphere;96%
With dipotassium peroxodisulfate In water at 90℃; for 12h; Green chemistry;62%
4179-19-5

1,3-dimethoxy-5-methylbenzene

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With nickel-doped graphene carbon nitride nanoparticles; air In ethanol at 25℃; for 8h; Irradiation; Green chemistry;95%
Multi-step reaction with 2 steps
1: N-Bromosuccinimide / acetonitrile / 1 h / 25 °C / Inert atmosphere
2: hexamethylenetetramine / water / 12 h / 120 °C / Inert atmosphere
View Scheme
15226-74-1, 61091-28-9, 61117-58-6

dicobalt octacarbonyl

20469-65-2

1-bromo-3,5-dimethoxybenzene

7311-34-4

3,5-dimethoxybenzaldehdye

Conditions
ConditionsYield
With triethylsilane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium acetate In acetonitrile at 25℃; for 16h; Schlenk technique; Inert atmosphere;87%

(3aR,5R,6S,6aR)-6-(3,5-Dimethoxy-benzyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

A

7311-34-4

3,5-dimethoxybenzaldehdye

B

582-52-5

1,2:5,6-di-O-isopropylidene-α-D-glucofuranose

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water for 2.5h; Ambient temperature;A n/a
B 86%

1-[(1R,2S)-4-Benzyloxy-1-ethyl-2-(4-methoxy-benzyloxymethyl)-butoxymethyl]-3,5-dimethoxy-benzene

A

7311-34-4

3,5-dimethoxybenzaldehdye

B

96016-38-5

(3R,4S)-6-Benzyloxy-4-(4-methoxy-benzyloxymethyl)-hexan-3-ol

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In water; Petroleum ether at 5℃; for 0.08h;A n/a
B 86%

1-((1R,2S,3S)-2,4-Bis-benzyloxy-1,3-dimethyl-butoxymethyl)-3,5-dimethoxy-benzene

A

7311-34-4

3,5-dimethoxybenzaldehdye

B

96016-18-1

(2R,3S,4S)-3,5-Bis-benzyloxy-4-methyl-pentan-2-ol

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water for 0.25h; Ambient temperature;A n/a
B 85%

3,5-Dimethoxybenzaldehyde Chemical Properties

Molecule structure of 3,5-Dimethoxybenzaldehyde (CAS NO.7311-34-4):

IUPAC Name: 3,5-Dimethoxybenzaldehyde 
Molecular Weight: 166.1739 g/mol
Molecular Formula: C9H10O3 
Density: 1.114 g/cm3 
Melting Point: 45-48 °C(lit.)
Boiling Point: 276.5 °C at 760 mmHg 
Flash Point: 119 °C
Index of Refraction: 1.534
Molar Refractivity: 46.36 cm3
Molar Volume: 149.1 cm3
Surface Tension: 36.1 dyne/cm 
Enthalpy of Vaporization: 51.5 kJ/mol
Vapour Pressure: 0.00478 mmHg at 25 °C 
Water Solubility: insoluble
Sensitive: air sensitive
XLogP3-AA: 1.3
H-Bond Acceptor: 3
Rotatable Bond Count: 3
Exact Mass: 166.062994
MonoIsotopic Mass: 166.062994
Topological Polar Surface Area: 35.5
Heavy Atom Count: 12
Canonical SMILES: COC1=CC(=CC(=C1)C=O)OC
InChI: InChI=1S/C9H10O3/c1-11-8-3-7(6-10)4-9(5-8)12-2/h3-6H,1-2H3
InChIKey: VFZRZRDOXPRTSC-UHFFFAOYSA-N
EINECS: 230-772-6
Product Categories: Carbonyl Compounds;Aromatic Aldehydes & Derivatives (substituted); Adehydes, Acetals & Ketones; Anisoles, Alkyloxy Compounds & Phenylacetates; Building Blocks for Dendrimers; Functional Materials; Aldehydes; C9; Carbonyl Compounds

3,5-Dimethoxybenzaldehyde Uses

 3,5-Dimethoxybenzaldehyde (CAS NO.7311-34-4) is mainly used for pharmaceutical intermediates.

3,5-Dimethoxybenzaldehyde Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
F: 9
Hazard Note: Irritant

3,5-Dimethoxybenzaldehyde Specification

 3,5-Dimethoxybenzaldehyde (CAS NO.7311-34-4) is also named as Benzaldehyde, 3,5-dimiethoxy ; 3,5-Dimethoxybenzaldehyde 98% . 3,5-Dimethoxybenzaldehyde (CAS NO.7311-34-4) is white to beige crystalline solid.

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