Anethol
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- Category :
Dyestuffs and Pigments
- CAS NO : 104-46-1
- EC NO : 203-205-5
- Molecular Formula : C10H12O
- Main Specifications : 99% min
- Synonyms : Anise camphor;1-(p-methoxyphenyl)propene;1-methoxy-4-(1-propenyl)benzene;1-methoxy-4-propenylbenzene;p-1-propenylanisole;p-methoxy-beta-methylstyrene;p-propenylphenyl methyl ether;isoestragole;Methoxy-4-propenylbenzene;nauli ''gum'';oil of aniseed;Propenylanisole;1-methoxy-4-[(1E)-prop-1-en-1-yl]benzene;1-methoxy-4-[(1Z)-prop-1-en-1-yl]benzene;Anethol;
Package: 25kg，50kg 200kg
Uses : used in flavoring food, especially pastries, as fennel essence and licorice essence;
Molecular Structure:
Product description:
What is the chemical of Anethol ?
Appearance: Colorless or slightly yellow liquid or crystal ;
Assay：99%min by GC ;
IR Identity: conform to standard ;
HNMR： conform to standard ;
carbon spectrum: conform to standard ;
Water by K. F.:0.5% max or as per the customer’s request ;
Loss on drying:0.5% max. or as per the customer’s request ;
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It is used in flavoring food, especially pastries, as fennel essence and licorice essence; It is also used in beverages, essence of apricot, quince, bayberry, toothpaste, gargle, etc. In addition, anethole is also used as a flavoring and odor correcting agent for drugs, a flavoring agent for cosmetics and soap, a raw material for synthetic drugs, and a sensitizer for color photography. Fennel brain, as a drug, has a certain therapeutic effect on leukopenia caused by chemotherapy or radiotherapy, as well as leukopenia caused by other reasons. The consumption proportion of anethole in the production of anise aldehyde is relatively high. In the presence of p-aminobenzenesulfonic acid, anise (or essential oil containing anise) is oxidized by ozone, nitric acid, potassium permanganate, or alum sulfuric acid solution to obtain anise aldehyde (p-methoxybenzaldehyde).
ting point: 20-21 °C;
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Production method: There are various industrial methods for producing fennel, and the following are introduced: (1) cooling fennel oil or large fennel oil to precipitate crystals, distilling and recrystallizing with alcohol to obtain it. It is also possible to distill fennel oil and collect the distillate at 230-234 ℃. Or by vacuum distillation, collect the 142 ℃ (5.60kPa) or 110 ℃ (2.7kPa) fractions to obtain anethole. (2) Obtained by heating p-methoxyphenylbutenoic acid at 220-240 ℃. (3) Heat the propylene based benzyl ether together with caustic alkali to isomerize it into anethol. (4) Obtained by methylation of allyl phenol. (5) Anisaldehyde reacts with G2H5MgX to heat water and dehydrate the resulting product to obtain anethole. (6) Anisaldehyde is heated together with propionic- anhydride and sodium propionate to obtain anethole. (7) In a mixture of anisole and acetaldehyde, concentrated hydrochloric acid and phosphoric acid are added at 0 ℃ to saturate the hydrogen chloride gas. The product is then heated together with pyridine to remove hydrogen chloride, resulting in anethole. Hydrobromic acid can also be used instead of concentrated hydrochloric acid, and the product can be treated with metallic sodium to remove hydrogen bromide and obtain anethole. (8) Prepare Grignard reagent from p-bromoanisole, react with allyl bromide to generate p-methoxyphenylpropene, and then heat it with potassium hydroxide to isomerize and obtain anethole.
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