|CAS No.||120-14-9||Density||1.114 g/cm3|
|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||166.1739||Flash Point||110.4ºC|
|Transport Information||Appearance||needle-shaped crystal|
|Molecular Structure||Hazard Symbols||Xn|
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-;
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) |
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.|
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
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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