Basic information Description References Safety Related Supplier
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Basic information Description References Safety Related Supplier
o-Anisaldehyde Basic information
o-Anisaldehyde Chemical Properties
  • Melting point:34-40 °C(lit.)
  • Boiling point:238 °C(lit.)
  • Density 1.127 g/mL at 25 °C(lit.)
  • refractive index 1.5608
  • Flash point:244 °F
  • storage temp. 2-8°C
  • solubility Solubility Slightly soluble in water; soluble in ethanol
  • form Low Melting Crystalline Mass
  • Specific Gravity1.127
  • color Light yellow to pale brown
  • PH RangeNon1 uorescence (3.1) to green 1 uorescence (4.4)
  • Water Solubility insoluble
  • Sensitive Air Sensitive
  • JECFA Number2062
  • BRN 606301
  • Major ApplicationBattery, hair dyes, bird repellents, cosmetics, antibacterial, antipyretic
  • CAS DataBase Reference135-02-4(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzaldehyde, 2-methoxy-(135-02-4)
  • EPA Substance Registry SystemBenzaldehyde, 2-methoxy- (135-02-4)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38-36/38
  • Safety Statements 26-36-37/39
  • WGK Germany 2
  • RTECS BZ2610000
  • 9-23
  • TSCA Yes
  • HS Code 29124900
  • ToxicityLD50 orally in Rabbit: 2500 mg/kg LD50 dermal Rabbit > 5000 mg/kg
o-Anisaldehyde Usage And Synthesis
  • DescriptionO-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.
    O-Anisaldehyde is used as a flavor agent in foods including nonalcoholic/alcoholic beverages, baked goods, chewing gum, confections, frozen dairy, fruit ices, hard/soft candy, instant coffee, tea, Jams, jellies, and milk products. O-Anisaldehyde has been used to examine the acaricidal activity of Periploca sepium oil and its active component against Tyrophagus and to obtain good enantioselectivities using Cu(OAc)(2)-bis(oxazolines) via hydrogen bonding in asymmetric Henry reaction.
  • References[1] George A. Burdock (2016) Fenraoli’s Handbook of Flavor Ingredients, Sixth Edition.
  • Descriptiono-Methoxybenzaldehyde has a faint, sweet, floral odor. It blends well with cassia. It has a spice-like flavor, quite bitter above 30 - 40 ppm. May be prepared from salicylaldehyde and dimethyl sulfate in weak alkaline solution.
  • Chemical PropertiesColorless to cream amber crystalline powder; sweet powdery hawthorn guaiacol vanilla acetophenone almond aroma.
  • Chemical Propertieslight yellow to pale brown
  • OccurrenceReported found in Cassia oil, cinnamon bark, and Cinnamon bark oil (Cinnamomum zeylanicum Blume), Sri Lanka (0.09–0.15%)
  • UsesIntermediate.
  • Aroma threshold valuesMedium strength odor; anisic type; recommend smelling in a 10.00% solution or less.
  • Taste threshold valuesSweet powdery guaiacol musty vanilla floral almond taste at 50 ppm in water.
  • Synthesis Reference(s)Journal of Heterocyclic Chemistry, 11, p. 943, 1974 DOI: 10.1002/jhet.5570110616
    Tetrahedron Letters, 25, p. 1843, 1984 DOI: 10.1016/S0040-4039(01)90056-5
  • Safety ProfileModerately toxic by ingestion. A skin irritant. Mutation data reported. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
o-Anisaldehyde Preparation Products And Raw materials
o-Anisaldehyde(135-02-4)Related Product Information
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