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Preparation: Various methods are used to produce benzyl alcohol in industry. The Cannizzaro reaction was first used, which was prepared by reacting benzaldehyde with potassium hydroxide: 2C6H5CHO+KOH→C6H5CH2OH+C6H5COOK. This method is not economical, and half of the raw materials produce benzoic acid. At present, the Bran method is commonly used, that is, to pass dry hydrogen chloride into a mixture of benzene, trioxane, and zinc chloride. Toluene vapor can also be reacted with chlorine under light to generate benzyl chloride and then hydrolyze to obtain benzyl alcohol. . Although this method is more economical than the Cannizzaro reaction, the by-products of chlorobenzene are generated in the reaction, making the product unusable for perfumes and paints. If the by-products are to be removed, the product price will increase.
Benzyl alcohol exists in clear colorless liquid with a pleasant odor. Slightly denser than water. Flash point 194° F. Boiling point 401° F. Contact may irritate skin, eyes, and mucous membranes. May be slightly toxic by ingestion.
Specification
| Item | BP2000 | Perfumery Grade |
| Appearance | Colorless transparent liquid | Colorless transparent liquid |
| Color (Hazen) | ≤5 | ≤5 |
| Fragrance | — | light scent of flower |
| Purit y(GC) (%) | ≥99.95 | ≥99.98 |
| Benzaldehyde (ppm) | ≤300 | ≤100 |
| Specific Gravity (20℃,kg/ m3) | 1043-1048 | 1043-1048 |
| Chloride (ppm) | ≤50 | ≤30 |
| Acidity (As Benzoic Acid)(%) | ≤0.1 | ≤0.05 |
| Clarity of Solution(1:30) | clear | clear |
| Moisture (％) | ≤0.1 | ≤0.05 |
| Refractive Index (ηD20) | 1.538—1.541 | 1.538—1.541 |
Application
Benzyl alcohol is used as a general solvent for inks, paints, lacquers, and epoxy resin coatings. Thus it can be used in paint strippers especially when combined with compatible viscosity enhancers to encourage the mixture to cling to painted surfaces.It is also a precursor to a variety of esters, used in the soap, perfume, and flavor industries. It is also used as a photographic developer.
- Epoxy paint, epoxy floor, encapsulation, epoxy adhesive and epoxy ornaments.
- Medicine synthetic solvent, preservative for ointment or liquid medicine.
- Photographic developing agent, cleaning agent, synthetic glass solvent and lens colorant.
- Solvent for meat products,stamp-pad ink and ball-point pen oil.
- Perfume fixative, indispensable component for jasmine, tuberose or ylang, compound perfume of soap and daily cosmetics.
Packaging
210kg/iron drum, 16.8 tons (80drums) /20’’FCL
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