2-Methoxybenzaldehyde
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2-Methoxybenzaldehyde
structure -
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CAS No:
135-02-4
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Formula:
C8H8O2
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Chemical Name:
2-Methoxybenzaldehyde
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Synonyms:
Benzaldehyde,2-methoxy-;o-Anisaldehyde;Benzaldehyde,o-methoxy-;2-Methoxybenzaldehyde;6-Methoxybenzaldehyde;o-Methoxybenzaldehyde;2-Anisaldehyde;2-Methoxybenzenecarboxaldehyde;Salicylaldehyde methyl ether;o-Formylanisole;2-Methoxyphenylformaldehyde;NC 064;NSC 58960;2-(Methyloxy)benzaldehyde
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CAS No:
Description
Colorless to cream amber crystalline powder; sweet powdery hawthorn guaiacol vanilla acetophenone almond aroma. light yellow to pale brownO-Anisaldehyde (also 2-methoxybenzaldehyde) is found in cassia oil, cinnamon bark, and cinnamon bark oil. It is a clear colorless liquid with a strong aroma.
Solid|Light yellow solid; Sweet powdery hawthorn, vanilla and almond aroma
2-Methoxybenzaldehyde is a carbonyl compound.
2-Methoxybenzaldehyde Basic Attributes
136.15
136.15
606301
205-171-7
7CP821WF2W
58960
DTXSID1051690
29124900
Characteristics
26.3
1.7
Light yellow to pale brown Low Melting Crystalline Mass
1.0992 g/cm3 @ Temp: 50.8 °C
37.5 °C
243.5 °C
244 °F
1.5608
Solubility Slightly soluble in water; soluble in ethanol
Store below +30°C.
0.00128mmHg at 25°C
Oral-rat LD50: 2500 mg/kg
Flammable; burning produces irritating fumes
Safety Information
I; II; III
NONH for all modes of transport
2
36/37/38-36/38
26-36-37/39
BZ2610000
Xi
Warehouse ventilated, low temperature and dry
Stable under normal temperatures and pressures.
P261-P305 + P351 + P338
H315-H319-H335
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 1454 companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Methoxybenzaldehyde Use and Manufacturing
It is prepared by salicylaldehyde methylation reaction with dimethyl sulfate. 3kg of sodium hydroxide was made into a 30% aqueous solution, which was added to a solution containing 12.2kg of salicylaldehyde and 80L of water with stirring, and heated to boiling. Slowly add 12.9kg of dimethyl sulfate to keep the reaction solution refluxing for about 3h. After adding, continue to reflux for 2-3h. Cool the oil layer, wash with 5% sodium hydroxide solution, and then wash to pH 8 with water, add anhydrous Potassium carbonate dried. After filtering off the desiccant, distill under reduced pressure and collect the 120°C (2.0kPa) fraction, which is o-methoxybenzaldehyde. The methylation reaction can also be carried out in toluene, the yield is 60%.
Intermediate.Battery, hair dyes, bird repellents, cosmetics, antibacterial, antipyretic
Benzaldehyde, 2-methoxy-: ACTIVE
Food additives -> Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT; -> JECFA Functional Classes|Flavoring Agents -> JECFA Flavorings Index
Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT;
Computed Properties
Molecular Weight:136.15
XLogP3:1.7
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:136.052429494
Monoisotopic Mass:136.052429494
Topological Polar Surface Area:26.3
Heavy Atom Count:10
Complexity:112
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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