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Veratraldehyde

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Name

Veratraldehyde

EINECS 204-373-2
CAS No. 120-14-9 Density 1.114 g/cm3
PSA 35.53000 LogP 1.51630
Solubility water: <0.1 g/100 mL at 22 ºC Melting Point 42-45 ºC
Formula C9H10O3 Boiling Point 281 ºC at 760 mmHg
Molecular Weight 166.177 Flash Point 110.4ºC
Transport Information N/A Appearance needle-shaped crystal
Safety 26-22-24/25 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 120-14-9 (Veratraldehyde) Hazard Symbols HarmfulXn
Synonyms

3,4-Dimethoxybenzaldehyde;3,4-Dimethoxybenzenecarbonal;4-O-Methylvanillin;Methylvanillin;NSC 24521;NSC 8500;Protocatechualdehydedimethyl ether;Protocatechuic aldehyde dimethyl ether;Vanillin methyl ether;Veratral;Veratric aldehyde;Veratrum aldehyde;Veratryl aldehyde;3,4-Dimethoxy-benzaldehyde;Benzaldehyde,3,4-dimethoxy-;

Article Data 569

Veratraldehyde Synthetic route

93-03-8

(3,4-dimethoxyphenyl)methanol

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With polymer supported perruthenate reagent In dichloromethane100%
With benzyltriphenylphosphonium peroxymonosulfate for 0.0833333h; Oxidation;100%
With butyltriphenylphosphonium chlorochromate In acetonitrile for 0.5h; Heating;100%
2169-98-4, 39627-82-2

3,4-Dimethoxy-benzaldehyde oxime

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With 1-benzyl-4-aza-1-azoniabiyclo<2.2.2>octane peroxodisulfate In acetonitrile for 0.25h; Oxidation; Heating;100%
With benzyltriphenylphosphonium dichromate; silica gel for 0.0833333h;100%
With 1-benzyl-4-aza-1-azoniabiyclo<2.2.2>octane peroxodisulfate In acetonitrile for 0.25h; Heating;99%
50766-67-1

2-(3,4-dimethoxyphenyl)-1,3-dithiane

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With silver(I) nitrite; iodine In tetrahydrofuran for 1.5h; Ambient temperature;100%
With bismuth(III) nitrate; water In benzene at 20℃; for 5h;93%
With eosin y In water; acetonitrile at 20℃; for 2h; Catalytic behavior; Reagent/catalyst; Solvent; Irradiation;92%
With dipotassium peroxodisulfate; 1-n-butyl-3-methylimidazolim bromide at 60 - 70℃; for 0.166667h;80%
494-99-5

1,2-dimethoxy-4-methylbenzene

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With laccase at 20℃; Reagent/catalyst; Green chemistry; Enzymatic reaction;100%
With laccase from Trametes versicolor; oxygen; benzotriazol-1-ol In water at 45℃; for 22h; pH=4.5;99%
With laccase of Pleurotus ostreatus MTCC-1801; 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt In 1,4-dioxane at 20℃; pH=4.5; Enzymatic reaction;98%
271771-50-7

1,1-diacetoxy-1-(3,4-dimethoxyphenyl)methane

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With water; titanium(IV) fluoride at 60℃; for 1.3h; screw-capped vial;100%
With 2,6-dicarboxypyridinium chlorochromate In acetonitrile at 20℃; for 0.0833333h;96%
With rice husk supported FeCl3 nanoparticles In ethanol at 70℃; for 0.05h;92%
121-33-5

vanillin

74-88-4

methyl iodide

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 1.5h;100%
With potassium carbonate In acetone at 60 - 70℃; for 17h; Reflux;99.3%
With 18-crown-6 ether; potassium carbonate96%
61040-75-3

((3,4-dimethoxybenzyl)oxy)trimethylsilane

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With nitrogen dioxide at 20℃; for 0.166667h;100%
121-33-5

vanillin

77-78-1

dimethyl sulfate

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 1.5h; Reflux;99%
With potassium carbonate In acetone95%
With potassium hydroxide In water at 20 - 23℃; for 6h;90%
4362-62-3

2-(3,4-Dimethoxy-phenyl)-[1,3]dioxolane

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With potassium dichromate; aluminium trichloride for 0.0333333h;98%
With lithium chloride In water; dimethyl sulfoxide at 90℃; for 6h;95%
With CuCl2*2H2O In acetonitrile for 0.5h; Ambient temperature;93%
With sodium tetrahydroborate; nickel(II) chloride hexahydrate In methanol for 12h; Reflux; chemoselective reaction;88%
With K5 In acetone for 0.166667h; Heating;97 % Chromat.
5763-61-1

3,4-dimethoxybenzylamine

120-14-9

3,4-dimethoxy-benzaldehyde

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; laccasefrom Trametes versicolor; oxygen In water at 30℃; for 24h; pH=4.5; Enzymatic reaction;98%
With immobilised amine transaminase from the moderate halophilic bacterium Halomonas elongata; sodium pyruvate In aq. phosphate buffer; toluene at 45℃; under 760.051 Torr; for 5h; pH=8;96%
With sodium periodate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; acetic acid; trifluoroacetic acid In water; acetonitrile for 20h;75%
Multi-step reaction with 3 steps
1: N-chloro-succinimide / 0.17 h / 20 °C / Milling
2: triethylamine / 0.17 h / 20 °C / Milling
3: water; hydrogenchloride / tetrahydrofuran / 2 h / 20 °C
View Scheme

Veratraldehyde Specification

1. Introduction of Veratraldehyde
Veratraldehyde is derivative of vanillin, widely used as a flavorant and odorant. The IUPAC name of Veratraldehyde is 3,4-dimethoxybenzaldehyde, it is off-white crystalline solid. It is also called 3,4-dimethoxy-benzaldehyd ; 4-O-Methylvanillin ; Benzaldehyde, 3,4-dimethoxy-veratraldehyde ; Protocatechuecaldehyde dimethyl ether ; Protocatechuecaldehydedimethylether ; P-Veratric aldehyde ; P-veratricaldehyde and so on.

2. Properties of Veratraldehyde
Veratraldehyde is incompatible with strong oxidizing agents and strong bases.Veratraldehyde is an aldehyde. Aldehydes are readily oxidized to give carboxylic acids. Flammable and/or toxic gases are generated by the combination of aldehydes with azo, diazo compounds, dithiocarbamates, nitrides, and strong reducing agents. Aldehydes can react with air to give first peroxo acids, and ultimately carboxylic acids. These autoxidation reactions are activated by light, catalyzed by salts of transition metals, and are autocatalytic (catalyzed by the products of the reaction).

Physical properties about Veratraldehyde are:
Appearance: off-white crystalline solid
Nominal Mass: 166 Da
Average Mass: 166.1739 Da
Monoisotopic Mass: 166.062994 Da
Index of Refraction: 1.534
Molar Refractivity: 46.36 cm3
Molar Volume: 149.1 cm3
Surface Tension: 36.1 dyne/cm
Density: 1.114 g/cm3
Flash Point: 110.4 °C
Enthalpy of Vaporization: 51.98 kJ/mol
Boiling Point: 281 °C at 760 mmHg
Vapour Pressure: 0.00366 mmHg at 25°C
Water Solubility: <0.1 g/100 mL at 22 ºC
Sensitive: Air Sensitive
Stability: Stable. Incompatible with strong bases, strong oxidizing agents.

3. Toxicity of Veratraldehyde

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 3200mg/kg (3200mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: ATAXIA

GASTROINTESTINAL: ALTERATION IN GASTRIC SECRETION
National Technical Information Service. Vol. OTS0533446,
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Food and Cosmetics Toxicology. Vol. 13, Pg. 923, 1975.
rat LD50 oral 2gm/kg (2000mg/kg)   Food and Cosmetics Toxicology. Vol. 13, Pg. 923, 1975.

4. Safety Information of Veratraldehyde
Hazard Codes: Xi Xn
Risk Statements: 22-38-36/37/38-36/38
R22: Harmful if swallowed
R38: Irritating to skin
R36/37/38: Irritating to eyes, respiratory system and skin
R36/38: Irritating to eyes and skin
Safety Statements: 26-22-24/25-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S22: Do not breathe dust
S24/25: Avoid contact with skin and eyes
S36: Wear suitable protective clothing
WGK Germany: 3
RTECS: YX5088000
F: 9-23
HS Code: 29124900

5. Use of Veratraldehyde
Pharmaceutical industry for synthetic drugs methyldopa, also for the production of veterinary sulfonamide synergist bacteria enemy net. This kind of veterinary medicine to 0.02% (weight) distribution into the feed, so iodine added to feed efficiency amine drugs for prevention and control of poultry infections.

6. Preparation of Veratraldehyde
Veratraldehyde has been prepared by treatment of veratrole with hydrogen cyanide in the presence of aluminum chloride; by condensing veratrole with formylpiperidine and hydrolyzing the product; and by methylating vanillin with methyl iodide, methyl sulfate, methyl p-toluenesulfonate, or trimethylphenylammonium hydroxide.

7. Other details of Veratraldehyde
Personal Protection:
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Fire Fighting:Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.

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