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Here
are the details about benzyl alcohol (CAS# 100-51-6):
Chemical Properties:
- Chemical Formula: C₆H₅CH₂OH
- Molecular Weight: 108.14
g/mol
- Structural Formula: C₆H₅CH₂OH
- IUPAC Name: Benzyl alcohol
- Common Names: Phenylmethanol,
Benzenemethanol
Physical Properties:
- Appearance: Colorless liquid
- Odor: Mild, pleasant aroma resembling
that of flowers
- Density: 1.045 g/cm³ at 20°C
- Melting Point: -15°C
- Boiling Point: 205.4°C
- Solubility: Soluble in water
(1.44 g/100 mL at 20°C), miscible with ethanol, ether, and chloroform
Chemical Characteristics:
- Functional Group: Hydroxyl (-OH)
attached to a benzyl group (C₆H₅CH₂-)
- Acidity (pKa): ~15.4
- Basicity (pKb): ~8.6
- Reactivity: Relatively stable
under normal conditions; undergoes oxidation to benzaldehyde and further
to benzoic acid.
Uses:
- Industrial: Used as a solvent
in various industries including paints, coatings, and inks.
- Pharmaceuticals: Used as a
preservative and in the formulation of injectable drugs.
- Personal Care: Used in
cosmetics and personal care products as a fragrance ingredient and
preservative.
- Chemical Synthesis: Intermediate
in the production of benzyl esters and other chemicals.
Safety and Handling:
- Toxicity: Low acute toxicity;
generally considered safe when used in regulated amounts. Can cause
irritation to eyes and skin.
- Flammability: Flammable
liquid; forms flammable vapor-air mixtures.
- Storage: Store in a cool,
dry, well-ventilated area away from heat, sparks, and flames.
Production:
- Synthesis: Produced by the
catalytic hydrogenation of benzaldehyde or by the reaction of benzyl
chloride with sodium hydroxide.
- Yield: High yield process
with efficient production methods.
Environmental Impact:
- Biodegradability: Benzyl
alcohol is biodegradable in the environment over time.
- Ecotoxicity: Low
environmental toxicity; does not pose significant risks to aquatic
organisms.
Benzyl
alcohol's mild odor and solvent properties make it valuable in various
industries, particularly in formulations requiring a stable solvent with a
pleasant aroma. Its versatility extends to pharmaceuticals, personal care
products, and chemical synthesis applications.
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