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What is benzyl benzoate (CAS 120 51 4) used for?

Jul 17, 2025 Leave a message

what Is Benzyl Benzoate CAS 120-51-4?

Benzyl benzoate also known as benzoic acid benzyl ester, with CAS number 120-51-4, is a organic compound, it appears as a clear, viscous, oily liquid with a slightly sweet and floral scent. The color of benzoic acid benzyl ester ranges from colorless to pale yellow. The density of benzyl benzoate is around 1.118 g/cm³, and its melting point range is 20-21°C. It is used as a medication, fixative in fragrances, and in various other applications. It's primarily known for its antiparasitic and insecticidal properties, particularly in treating scabies and lice infestations. Additionally, it acts as a plasticizer, solvent.

 

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What is benzyl benzoate used for?

 

1. Fragrance & Flavor Industry
As a premium fixative, benzyl benzoate extends the longevity of fragrances in perfumes, soaps, and cosmetics, preserving top notes while enhancing base notes. Approved by FEMA (2138), it adds fruity nuances to beverages, baked goods, and confectionery, mimicking flavors like strawberry and cherry.

benzyl benzoate for Fragrance

2. Pharmaceutical
It is a key ingredient in topical treatments for scabies and lice, it acts as a parasiticidal agent. In pharmaceuticals, it serves as a solvent for injectable drugs and a carrier in creams/lotions.

 

3.Cosmetic and Personal Care Products
Benzyl benzoate serves as a preservative in cosmetic and personal care products, extending their shelf life by inhibiting the growth of microorganisms. However, it should be used with caution due to potential allergenic properties.

 

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3. Plastics & Polymers
The plastic industry benefits from benzyl benzoate as a plasticizer. It is used to improve the flexibility and workability of plastics, such as cellulose acetate and nitrocellulose. This property makes it indispensable in the manufacturing of items like plastic films and coatings.

 

benzyl benzoate for  plastic

 

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