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EINECS 204-373-2
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
Safety 26-22-24/25 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 120-14-9 (Veratraldehyde) Hazard Symbols HarmfulXn

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-;


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


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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