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P-Anisaldehyde (MF: C₈H₈O₂, MW: 136.15) is an important aromatic aldehyde compound characterized by the simultaneous attachment of a methoxy group (-OCH₃) and an aldehyde group (-CHO). It combines the chemical reactivity of the aldehyde group with the electron-withdrawing effect of the methoxy group. Naturally occurring in plants such as fennel, it is industrially synthesized primarily through the oxidation of p-methoxytoluene or the methylation of p-hydroxybenzaldehyde. It serves as a vital organic synthesis intermediate and a commonly used fragrance ingredient.
| Item | Specification |
| Melting point | 2°C |
| Boiling point | 248°C (lit.) |
| Density | 1.123 g/cm³ (20°C) |
| Vapor density | 4.7 (vs air) |
| Vapour pressure | <1 hPa (20°C) |
| Refractive index | n₂₀/D 1.573 (lit.) |
| Flash Point | 228°F |
| Odor | Possesses a distinctive aroma reminiscent of hawthorn and fennel |
| Solubility | Sparingly soluble in water; readily soluble in organic solvents such as ethanol, diethyl ether, and acetone. |
Flavor and Fragrance Industry:
– Core ingredient for hawthorn floral fragrances; also used in lilac, orchid, sunflower floral notes and non-floral fragrances like cut grass and aldehyde.
– Used in flavor formulations for vanilla, caramel, chocolate, mint, etc.
– Added to perfumes, soaps, shampoos, and other personal care products.
Pharmaceutical intermediates: Used in synthesizing antibiotics, antihistamines, and other pharmaceuticals.
Industrial and Materials Applications:
– Serves as a DE additive in cyanide-free zinc plating to enhance anode polarization and achieve bright coatings.
– Functions as a dye intermediate for synthesizing reactive dyes and direct dyes.
– Acts as a photosensitizer in dye-sensitized solar cells, offering high photoelectric conversion efficiency.
Agriculture and Environmental Protection:
– Preparation of insecticides (e.g., permethrin), fungicides (e.g., methyl p-methoxybenzaldehyde), and herbicides.
– Development of natural preservatives leveraging its antimicrobial activity to extend food shelf life.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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