high purity CAS 120-14-9 Pharmaceutical Intermediates
Basic Info
Model No.: cy120-14-9
Product Description
3,4- two methoxy benzaldehyde
3,4- two methoxy benzaldehyde is a substance with molecular weight of 166.17.
Aromatic compounds
The white or yellowish flaky crystals are massive and fragrant.
Chinese name 3,4- two methoxy benzaldehyde
Foreign name Veratraldehyde
CAS 120-14-9 molecular formula C9H10O3
Chinese Name: 3,4- two methoxy benzaldehyde
English Name: Veratraldehyde
Chinese aliases: veratral; methyl vanillin; Pyrocatechuic aldehyde dimethyl ether; veratral; veratral (3,4-dimethoxybenzaldehyde); vanillin methyl ether; 3,4-dimethoxybenzaldehyde (veratral); 3,4-methoxybenzene; 3,4-dimethoxybenzaldehyde; methyl vanillin; vanillin methyl ether
English aliases: Veratraldehyde (7CI, 8CI); 3,4-Dimethoxybenzaldehyde; 3,4-Dimethoxybenzenecarbonal; 4-O-Methylvanillin; Methylvanillin; NSC 24521; NSC 8500; Protocatechualdehyde dimethyl ether; Vanin methyler; Veraldehyde; Veraldehyde; Dehyde; 3,4-Dimethoxy-benzaldehyde; Benzaldehyde, 3,4-dimethoxy-
CAS No:120-14-9
EINECS: 204-373-2
Molecular formula: C9H10O3
Molecular weight: 166.17
Risk terminology: R22; R36/37/38
Safety term: S22
Physicochemical properties
Appearance: white or yellowish flaky crystals, lumps. Fragrant vanilla fruit with sweet taste.
Melting point: 40-43 degrees C (lit.)
Boiling point: 281 degrees C (lit.)
FEMA:3109
Flash point: >230 degrees F
Water solubility: <0.1 g/100 mL at 22 º C
Sensitivity: Air Sensitive
Merck:149951
BRN:473899
Security terms
S22Do not breathe dust.
Do not breathe in dust.
S26 In case of contact with eyes, rinse immediately with plenty plenty immediately
After contact with your eyes, rinse immediately with plenty of water and seek medical advice.
S24/25 Avoid contact with skin and eyes.
Avoid contact with skin and eyes.
Risk terminology editor
R22Harmful if swallowed.
It is harmful to swallow.
R36/37/38Irritating to eyes, respiratory system and skin.
Stimulate eyes, respiratory system and skin.
R38 Irritating to skin.
Irritating the skin.
3, the properties of 4- two methoxy benzaldehyde (120-14-9):
1. White to brown-yellow or blue-gray acicular crystals (crystallized in ether), sweet woody and vanilla aromas, with a strong vanilla-like sweetness.
2. in air, it can be oxidized to odorless 3, 4- two methoxy benzoic acid (Li Lusuan).
3. melting point 43~45 C. It is not soluble in cold water, soluble in hot water, ethanol and oil.
4. natural products are found in Java citronella oil and Hu Canger celery oil.
purpose
3, the use of 4- two methoxy benzaldehyde (120-14-9):
This product is an organic synthetic intermediate, which can be used in the pharmaceutical industry to synthesize the drug methyl dopa, also used in the production of veterinary drug sulfonamide synergist dichlorfon. GB 2760. 1996 provides for the use of food flavors. The veterinary drug was added to the feed by 0.02% (weight) to increase the efficiency of iodoamine added to the feed and to prevent and control bacterial infections in poultry.
Product description
3, the preparation method of 4- two methoxy benzaldehyde (120-14-9):
This product is made from methylation of vanillin and two methyl sulphate under alkaline conditions.
Limited quantity:
FEMA (mg/kg): soft drinks 9; cold drinks 9.2; jelly, pudding, 15; baking products 30; candy 32.
Content analysis:
Determined by gas chromatography (67-10 - 4) by non-polar column method.
Storage:
There is a slight danger to water. Avoid contact with strong oxidants. Store in cool, ventilated storeroom. Keep away from fire and water. It should be kept separately from oxidants and must not be mixed up. Equipped with corresponding varieties and quantity of fire fighting equipment.
purpose
The pharmaceutical industry is used to synthesize methyl DOPA and is also used in the production of veterinary drug sulfonamide synergist, diazoxam.
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