Benzyl alcohol, 99.0+%

CAS Number: 100-51-6

Molecular Formula: C7H8O

Molecular Weight: 108.14

IUPAC Name: Phenylmethanol

Other Names: Benzyl alcohol, Phenylcarbinol

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Benzyl alcohol is an aromatic alcohol with the formula C6H5CH2OH. The benzyl group is often abbreviated "Bn" (not to be confused with "Bz" which is used for benzoyl), thus benzyl alcohol is denoted as BnOH. Benzyl alcohol is a colorless liquid with a mild pleasant aromatic odor. It is a useful solvent due to its polarity, low toxicity, and low vapor pressure. Benzyl alcohol is partially soluble in water (4 g/100 mL) and completely miscible in alcohols and diethyl ether.

Benzyl alcohol is produced naturally by many plants and is commonly found in fruits and teas. It is also found in a variety of essential oils including jasmine, hyacinth, and ylang-ylang. It is also found in castoreum from the castor sacs of beavers

Benzyl alcohol is used as a general solvent for inks, paints, lacquers and epoxy resin coatings. It is also a precursor to a variety of esters, used in the soap, perfume and flavor industries. It is often added to intravenous medication solutions as a preservative due to its bacteriostatic and antipruritic properties. It is also used as a photographic developer.

Benzyl alcohol is used as a bacteriostatic preservative at low concentration in intravenous medications, cosmetics and topical drugs. The use of benzyl alcohol as a 5% solution has been approved by the U.S. FDA for the treatment of head lice in children older than 6 months and in adults. It affects the louse's spiracles, preventing them from closing. These then become clogged with water or mineral oil or other matter and cause the insect to die from asphyxiation.

Benzyl alcohol is used effectively for treating lice infestations as the active ingredient in lotion shampoo with 5% benzyl alcohol.

Benzyl alcohol has nearly the same refraction index as quartz and wool fiber. If a clear quartz object is immersed in benzyl alcohol, it becomes almost invisible. This test has been used to determine non-destructively whether an object is truly made of quartz (see crystal skull). Similarly, white wool immersed in benzyl alcohol also becomes almost invisible clearly revealing contaminants such as dark and medullated fibers and vegetable matter.

 
Data sheet
Chemical purity99.0+%
Molecular FormulaC7H8O
Molecular Weight108.14

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Benzyl alcohol, 99.0+%

CAS Number: 100-51-6

Molecular Formula: C7H8O

Molecular Weight: 108.14

IUPAC Name: Phenylmethanol

Other Names: Benzyl alcohol, Phenylcarbinol

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