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Benzyl Alcohol anhydrous is a high-purity, low-water aromatic alcohol primarily employed as a solvent, reagent, and chemical intermediate in moisture-sensitive laboratory and industrial processes.
Benzyl Alcohol anhydrous combines strong solvency, moderate polarity, a high boiling point, and controlled water content for applications in which moisture may affect reaction selectivity, product quality, or analytical performance.
Benzyl Alcohol anhydrous has the same molecular identity as conventional benzyl alcohol, while the anhydrous designation refers to a specially controlled grade containing only trace amounts of water.
CAS Number: 100-51-6
EC Number: 202-859-9
Molecular Formula: C₇H₈O
Molecular Weight: 108.14 g/mol
SYNONYMS
Benzyl Alcohol Anhydrous, Anhydrous Benzyl Alcohol, Benzyl Alcohol Water-Free Grade, Benzyl Alcohol Low-Water Grade, Benzyl Alcohol 99.8%, Benzyl Alcohol Dry Grade, Benzyl Alcohol Dehydrated Grade, Benzyl Alcohol, BA, BnOH, Benzenemethanol, Phenylmethanol, Phenyl Methanol, Phenylmethyl Alcohol, Phenyl Methyl Alcohol, Phenyl Carbinol, Phenylcarbinol, Benzenecarbinol, Benzene Carbinol, Benzylic Alcohol, Benzyl Hydroxide, α-Hydroxytoluene, Alpha-Hydroxytoluene, α-Toluenol, Alpha-Toluenol, Hydroxymethylbenzene, (Hydroxymethyl)benzene, Methanol Phenyl-, Methanol, Phenyl-, Benzenemethyl Alcohol, Benzene Methanol, Benzyl Alcohol Reagent Grade, Benzyl Alcohol Laboratory Grade, Benzyl Alcohol Synthesis Grade, Benzyl Alcohol High-Purity Grade, Benzyl Alcohol Moisture-Controlled Grade, Benzyl Alcohol Extra Dry, Benzyl Alcohol for Organic Synthesis, Benzyl Alcohol for Chemical Synthesis, Benzyl Alcohol Technical Grade, Benzyl Alcohol Pharmaceutical Grade, Benzyl Alcohol Cosmetic Grade, Benzyl Alcohol Fragrance Grade, Benzyl Alcohol Food Grade, Benzyl Alcohol NF, Benzyl Alcohol USP, Benzyl Alcohol FCC, Benzyl Alcohol Ph. Eur., Benzyl Alcohol BP, Benzyl Alcohol JP, Benzyl Alcohol ACS Reagent, NCI-C06111, NSC 8044, NSC-8044, FEMA 2137, JECFA Number 25, PubChem CID 244, InChIKey WVDDGKGOMKODPV-UHFFFAOYSA-N, EINECS 202-859-9, EC 202-859-9, CAS 100-51-6, C₆H₅CH₂OH
APPLICATIONS
Benzyl Alcohol anhydrous serves as a high-boiling solvent in organic synthesis processes where uncontrolled moisture could affect reaction efficiency.
Benzyl Alcohol anhydrous supports the dissolution of aromatic compounds, resins, oils, and compatible organic intermediates under low-water conditions.
Benzyl Alcohol anhydrous provides extended working time because its boiling point is substantially higher than that of many conventional alcohol solvents.
Benzyl Alcohol anhydrous enables chemists to combine solvent performance with a chemically reactive benzylic hydroxyl group in carefully designed processes.
Benzyl Alcohol anhydrous functions as a reagent in esterification reactions used to produce benzyl esters from organic acids or activated acid derivatives.
Benzyl Alcohol anhydrous contributes the benzyl alcohol component required for manufacturing benzyl acetate, benzyl benzoate, and related specialty esters.
Benzyl Alcohol anhydrous helps limit hydrolysis-related side reactions when water-sensitive acylating agents are employed.
Benzyl Alcohol anhydrous allows manufacturers to control conversion, residual acidity, color, and by-product formation through carefully managed reaction conditions.
Benzyl Alcohol anhydrous serves as a starting material in controlled oxidation processes designed to produce benzaldehyde.
Benzyl Alcohol anhydrous supports catalytic and stoichiometric oxidation routes in which low initial water content may improve analytical control.
Benzyl Alcohol anhydrous enables process developers to study conversion and selectivity without introducing unnecessary moisture from the alcohol feedstock.
Benzyl Alcohol anhydrous provides a high-purity aromatic alcohol substrate for oxidation research, catalyst screening, and fine-chemical manufacturing.
Benzyl Alcohol anhydrous functions as an intermediate in the manufacture of benzyl halides and other activated benzyl derivatives.
Benzyl Alcohol anhydrous supports substitution reactions in which the hydroxyl group is converted into a more reactive leaving group.
Benzyl Alcohol anhydrous contributes to synthetic routes leading to benzyl bromide, benzyl chloride, and related functional intermediates when suitable reagents are selected.
Benzyl Alcohol anhydrous helps reduce moisture-related decomposition of reactive halogenating agents during controlled processing.
Benzyl Alcohol anhydrous finds application in the preparation of benzyl ethers used as intermediates or protective derivatives in organic synthesis.
Benzyl Alcohol anhydrous provides a benzyl group that can modify molecular solubility, stability, and reactivity during multistep production.
Benzyl Alcohol anhydrous facilitates etherification processes involving activated substrates, catalysts, or dehydrating conditions.
Benzyl Alcohol anhydrous enables researchers to prepare protected alcohol, phenol, and related functional groups without introducing avoidable water.
Benzyl Alcohol anhydrous serves as a solvent and non-reactive diluent in selected epoxy-resin and amine-curing-agent formulations.
Benzyl Alcohol anhydrous reduces the viscosity of compatible epoxy systems, thereby facilitating mixing, pumping, coating, casting, and application.
Benzyl Alcohol anhydrous contributes to improved flexibility and workable open time in suitably formulated epoxy coatings.
Benzyl Alcohol anhydrous provides particular value when moisture must be minimized to protect curing consistency or sensitive formulation ingredients.
Benzyl Alcohol anhydrous functions as a solvent or co-solvent in protective coatings and lacquer systems requiring low volatility.
Benzyl Alcohol anhydrous enhances the dissolution of compatible binders, modifiers, and organic additives.
Benzyl Alcohol anhydrous supports surface wetting and leveling by remaining in the applied film longer than rapidly evaporating solvents.
Benzyl Alcohol anhydrous enables formulators to control viscosity and drying behavior while limiting the amount of moisture introduced by the solvent.
Benzyl Alcohol anhydrous finds application in paint-removal formulations developed to penetrate and soften selected polymeric coatings.
Benzyl Alcohol anhydrous promotes prolonged contact between the stripping composition and the coated surface because of its relatively slow evaporation.
Benzyl Alcohol anhydrous supports formulations containing compatible thickeners, surfactants, activators, and other performance additives.
Benzyl Alcohol anhydrous offers a low-water solvent option for paint strippers in which formulation stability or substrate sensitivity must be controlled.
Benzyl Alcohol anhydrous serves as a solvent in metal-cleaning formulations designed to remove organic residues, coatings, oils, and process contaminants.
Benzyl Alcohol anhydrous enhances contact with hydrophobic soils by dissolving compatible organic materials from metallic surfaces.
Benzyl Alcohol anhydrous supports low-volatility cleaners intended for extended surface contact or controlled immersion processes.
Benzyl Alcohol anhydrous provides a moisture-controlled option for cleaning operations involving water-sensitive parts or subsequent chemical processing.
Benzyl Alcohol anhydrous functions as a formulation solvent in photographic developer and specialty imaging systems.
Benzyl Alcohol anhydrous facilitates the incorporation of compatible developing agents, color-forming components, and organic additives.
Benzyl Alcohol anhydrous contributes controlled solvency and low evaporation during preparation and use of selected photographic solutions.
Benzyl Alcohol anhydrous helps manufacturers limit water contributed by the organic solvent when the overall formulation composition requires precise control.
Benzyl Alcohol anhydrous serves as a high-purity solvent in analytical laboratories where trace moisture could interfere with sample preparation.
Benzyl Alcohol anhydrous supports calibration, extraction, dissolution, and reaction-monitoring procedures involving compatible organic compounds.
Benzyl Alcohol anhydrous provides reproducible solvent composition when water content is included as an analytical control parameter.
Benzyl Alcohol anhydrous enables researchers to distinguish moisture-related effects from the inherent chemical behavior of benzyl alcohol.
Benzyl Alcohol anhydrous functions as a reference reagent in chromatography, spectroscopy, oxidation studies, and reaction-mechanism investigations.
Benzyl Alcohol anhydrous provides a well-characterized primary aromatic alcohol with established molecular and physical data.
Benzyl Alcohol anhydrous supports method-development work requiring a high assay and tightly controlled impurity profile.
Benzyl Alcohol anhydrous offers consistent performance in research when containers are handled in a manner that preserves the specified water content.
Benzyl Alcohol anhydrous finds application as a chemical intermediate in pharmaceutical and fine-chemical research.
Benzyl Alcohol anhydrous contributes a reactive benzyl group used in the preparation of esters, ethers, halides, aldehydes, and other aromatic derivatives.
Benzyl Alcohol anhydrous facilitates water-sensitive synthesis steps when a low-moisture alcohol feedstock is technically advantageous.
Benzyl Alcohol anhydrous requires separate qualification before use in pharmaceutical products because anhydrous reagent grade does not automatically indicate pharmacopeial or parenteral compliance.
Benzyl Alcohol anhydrous serves as an intermediate in agrochemical and specialty-chemical synthesis involving benzyl-functional compounds.
Benzyl Alcohol anhydrous supports reaction sequences in which moisture could deactivate catalysts or hydrolyze reactive intermediates.
Benzyl Alcohol anhydrous helps maintain consistent raw-material quality during scale-up and process validation.
Benzyl Alcohol anhydrous enables manufacturers to control residual water as part of the overall impurity and reaction-performance profile.
Benzyl Alcohol anhydrous functions as a precursor in the manufacture of fragrance and aroma chemicals.
Benzyl Alcohol anhydrous supports esterification and oxidation routes leading to benzyl-derived fragrance ingredients.
Benzyl Alcohol anhydrous contributes a mild aromatic character while providing useful solvent and intermediate functions.
Benzyl Alcohol anhydrous may be employed in fragrance-related manufacturing only after the selected grade has been evaluated for odor, purity, and regulatory suitability.
Benzyl Alcohol anhydrous finds application in fragrance concentrates requiring a low-water carrier for moisture-sensitive aromatic materials.
Benzyl Alcohol anhydrous helps dissolve compatible perfume ingredients and supports uniform distribution throughout the concentrate.
Benzyl Alcohol anhydrous contributes to controlled fragrance release because of its relatively low volatility.
Benzyl Alcohol anhydrous requires appropriate sensory and regulatory qualification before direct use in cosmetic or consumer fragrance products.
Benzyl Alcohol anhydrous serves as a solvent for selected active ingredients and functional additives during formulation development.
Benzyl Alcohol anhydrous supports the preparation of concentrated solutions that are later incorporated into coatings, polymers, cosmetics, or specialty liquids.
Benzyl Alcohol anhydrous minimizes the amount of water added with the solvent when the receiving formulation is moisture sensitive.
Benzyl Alcohol anhydrous allows formulators to evaluate the effect of benzyl alcohol independently from uncontrolled water contamination.
Benzyl Alcohol anhydrous functions as a processing aid in resin systems where moisture can influence polymerization, curing, or storage stability.
Benzyl Alcohol anhydrous reduces viscosity while supplying a consistent low-water liquid phase.
Benzyl Alcohol anhydrous supports accurate metering and more uniform distribution of catalysts, accelerators, and modifiers.
Benzyl Alcohol anhydrous enables process engineers to include solvent moisture as a controlled manufacturing parameter.
Benzyl Alcohol anhydrous finds application in the synthesis of specialty polymers and resin intermediates containing benzyl or aromatic functionality.
Benzyl Alcohol anhydrous participates in esterification, etherification, substitution, and oxidation reactions used to create functional monomers or modifiers.
Benzyl Alcohol anhydrous provides a low-water starting material for processes sensitive to hydrolysis or catalyst poisoning.
Benzyl Alcohol anhydrous supports consistent molecular development when reaction temperature, stoichiometry, and moisture exclusion are carefully managed.
Benzyl Alcohol anhydrous serves as a solvent or reagent in catalytic research involving oxidation, hydrogen transfer, substitution, and condensation chemistry.
Benzyl Alcohol anhydrous enables catalyst performance to be studied under defined low-water conditions.
Benzyl Alcohol anhydrous contributes a benzylic carbon that can undergo selective transformation into aldehyde, ester, ether, or substituted products.
Benzyl Alcohol anhydrous offers researchers a convenient liquid substrate for screening catalysts and optimizing reaction pathways.
DESCRIPTION
Benzyl Alcohol anhydrous is generally supplied as a clear, colorless liquid with a mild, pleasant, slightly aromatic odor.
Benzyl Alcohol anhydrous is visually similar to standard benzyl alcohol because removal of water does not create a separate molecular substance.
Benzyl Alcohol anhydrous commercial reagent material may be specified at approximately 99.8% assay.
Benzyl Alcohol anhydrous representative specifications report less than 0.003% water, although certain package specifications may permit less than 0.005% water.
Structurally, Benzyl Alcohol anhydrous consists of a benzene ring attached to a hydroxymethyl group.
Benzyl Alcohol anhydrous has the structural formula C₆H₅CH₂OH and is classified as a primary aromatic or araliphatic alcohol.
Benzyl Alcohol anhydrous contains one hydroxyl group capable of hydrogen bonding and one aromatic ring that increases compatibility with organic media.
Benzyl Alcohol anhydrous therefore combines polar alcohol behavior with the solvency characteristics of an aromatic molecule.
Chemically, Benzyl Alcohol anhydrous can undergo oxidation, esterification, etherification, substitution, and related organic transformations.
Benzyl Alcohol anhydrous may be oxidized to benzaldehyde and, under stronger conditions, further converted toward benzoic-acid derivatives.
Benzyl Alcohol anhydrous reacts with suitable acid derivatives to form benzyl esters.
Benzyl Alcohol anhydrous also serves as a starting material for activated benzyl compounds used in fine-chemical synthesis.
Benzyl Alcohol anhydrous is not a different CAS substance from ordinary benzyl alcohol.
Benzyl Alcohol anhydrous retains CAS Number 100-51-6, EC Number 202-859-9, Molecular Formula C₇H₈O, and Molecular Weight 108.14 g/mol.
Benzyl Alcohol anhydrous differs principally through its tightly controlled water content and, depending on supplier, its assay and impurity specification.
Benzyl Alcohol anhydrous should therefore be selected by grade specification rather than by chemical identity alone.
Benzyl Alcohol anhydrous may be prepared industrially by purification and dehydration of benzyl alcohol produced through established manufacturing routes.
Benzyl Alcohol anhydrous production requires removal of water and control of residual impurities without causing excessive oxidation or color formation.
Benzyl Alcohol anhydrous can be purified by carefully controlled distillation and drying operations.
Benzyl Alcohol anhydrous final packaging must minimize moisture ingress so that the specified low-water condition is preserved.
Benzyl Alcohol anhydrous is soluble in water at approximately 33 g/L at 20°C rather than being completely water miscible.
Benzyl Alcohol anhydrous dissolves readily in numerous alcohols, ethers, aromatic liquids, oils, resins, and compatible organic solvents.
Benzyl Alcohol anhydrous can therefore absorb or acquire water after opening even though it was originally supplied at an anhydrous specification.
Benzyl Alcohol anhydrous containers should be exposed to humid air for the shortest practical period during sampling and transfer.
Benzyl Alcohol anhydrous boils at approximately 203–205°C and melts or freezes near −16 to −13°C.
Benzyl Alcohol anhydrous has a density of approximately 1.045 g/mL at 25°C.
Benzyl Alcohol anhydrous has a refractive index near 1.539 at 20°C.
Benzyl Alcohol anhydrous remains a relatively low-volatility liquid under normal laboratory and industrial temperatures.
Benzyl Alcohol anhydrous has a vapor density of approximately 3.7 relative to air.
Benzyl Alcohol anhydrous has reported vapor pressures of approximately 3.75 mmHg at 77°C and 13.3 mmHg at 100°C.
Benzyl Alcohol anhydrous vapor generation increases significantly when the material is heated, sprayed, or agitated in open equipment.
Benzyl Alcohol anhydrous processing at elevated temperatures therefore requires effective ventilation and control of ignition sources.
Benzyl Alcohol anhydrous is combustible and should be kept away from open flames, sparks, and uncontrolled high-temperature surfaces.
Benzyl Alcohol anhydrous may react with strong oxidizing agents and can gradually oxidize during prolonged exposure to air.
Benzyl Alcohol anhydrous severe thermal decomposition or combustion can generate carbon monoxide, carbon dioxide, and irritating organic fumes.
Benzyl Alcohol anhydrous should be stored in compatible tightly closed containers under conditions that protect both purity and safety.
Benzyl Alcohol anhydrous is harmful if swallowed according to widely reported GHS classifications.
Benzyl Alcohol anhydrous can cause serious eye irritation and may cause an allergic skin reaction in susceptible individuals.
Benzyl Alcohol anhydrous aerosol or concentrated vapor may irritate the respiratory tract and produce headache, coughing, or dizziness.
Benzyl Alcohol anhydrous repeated or prolonged contact should be avoided through appropriate engineering controls and protective equipment.
Benzyl Alcohol anhydrous quality should be monitored through assay, water content, color, refractive index, density, acidity, and relevant organic impurities.
Benzyl Alcohol anhydrous water content is commonly determined by Karl Fischer titration.
Benzyl Alcohol anhydrous partially used containers may no longer meet the original moisture specification if they are repeatedly opened in humid conditions.
Benzyl Alcohol anhydrous suitability should therefore be confirmed through current supplier documentation and, where necessary, incoming quality-control testing.
PROPERTIES
Chemical Name: Benzyl Alcohol anhydrous
Chemical Class: Primary aromatic alcohol
CAS Number: 100-51-6
EC Number: 202-859-9
Molecular Formula: C₇H₈O
Structural Formula: C₆H₅CH₂OH
Molecular Weight: 108.14 g/mol
IUPAC Name: Phenylmethanol
Common Abbreviation: BA
Alternative Abbreviation: BnOH
PubChem CID: 244
InChIKey: WVDDGKGOMKODPV-UHFFFAOYSA-N
Grade: Anhydrous
Appearance: Clear, colorless liquid
Odor: Mild, pleasant, slightly aromatic odor
Physical State at 20°C: Liquid
Representative Assay: Approximately 99.8%
Representative Water Content: Less than 0.003%
Alternative Package Water Specification: Less than 0.005%
Density at 25°C: Approximately 1.045 g/mL
Refractive Index at 20°C: Approximately 1.539
Boiling Point: Approximately 203–205°C
Melting Point: Approximately −16 to −13°C
Water Solubility at 20°C: Approximately 33 g/L
Solubility in Organic Media: Soluble in many alcohols, ethers, aromatic liquids, oils, and compatible organic solvents
Vapor Density: Approximately 3.7 relative to air
Vapor Pressure at 77°C: Approximately 3.75 mmHg
Vapor Pressure at 100°C: Approximately 13.3 mmHg
Autoignition Temperature: Approximately 436°C
Explosive Limits: Approximately 0.34–6.3% by volume according to representative supplier data
Volatility: Low at normal room temperature
Combustibility: Combustible liquid
Hygroscopicity: Capable of absorbing atmospheric moisture and losing its anhydrous specification
Chemical Stability: Stable under recommended storage conditions
Hazardous Polymerization: Not expected to occur
Incompatible Materials: Strong oxidizing agents
Common Hazard Classification: Harmful if swallowed and causes serious eye irritation
Additional Health Concern: May cause an allergic skin reaction
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, and irritating organic fumes
Recommended Storage Condition: Cool, dry, well-ventilated location in tightly sealed moisture-resistant containers
FIRST AID
Inhalation:
Move the affected person immediately to fresh air.
Keep the person at rest in a position comfortable for breathing.
Avoid further exposure to Benzyl Alcohol anhydrous vapor, aerosol, or mist.
Obtain medical attention if coughing, dizziness, headache, drowsiness, breathing discomfort, or other symptoms occur.
Skin Contact:
Remove contaminated clothing and footwear.
Rinse the affected skin thoroughly with plenty of water for at least 15 minutes.
Wash the skin carefully with soap and water after the initial rinsing.
Obtain medical advice if redness, irritation, discomfort, or sensitization symptoms develop.
Wash contaminated clothing before reuse.
Eye Contact:
Rinse the eyes cautiously with plenty of clean water for several minutes.
Hold the eyelids open to ensure thorough irrigation.
Remove contact lenses when present and easy to do, then continue rinsing.
Obtain medical attention because Benzyl Alcohol anhydrous can cause serious eye irritation.
Ingestion:
Rinse the mouth thoroughly with water.
Do not induce vomiting unless directed by qualified medical personnel.
Never give anything by mouth to an unconscious person.
Obtain prompt medical attention because Benzyl Alcohol anhydrous is harmful if swallowed.
Provide the product label or Safety Data Sheet to medical personnel whenever possible.
Note to Physicians:
No specific antidote is generally identified.
Provide supportive care and treat according to the patient’s symptoms and clinical condition.
Assess neurological, respiratory, gastrointestinal, ocular, and dermal effects following significant exposure.
Continue medical observation when substantial ingestion or inhalation has occurred.
HANDLING AND STORAGE
Handling:
Handle Benzyl Alcohol anhydrous in accordance with good industrial hygiene and chemical safety practices.
Avoid unnecessary contact with the skin, eyes, and clothing.
Do not breathe vapor, aerosol, or mist generated during heating, spraying, mixing, or transfer.
Use closed or moisture-protected transfer systems wherever reasonably practicable.
Minimize the time that containers remain open to humid air.
Wash the hands and exposed skin thoroughly after handling.
Do not eat, drink, or smoke in areas where Benzyl Alcohol anhydrous is processed.
Keep containers tightly closed when the product is not being transferred or sampled.
Ventilation:
Provide adequate general ventilation in storage and processing areas.
Use local exhaust ventilation at reactors, mixing vessels, filling points, sampling stations, and heated equipment.
Control aerosols and vapors at their source rather than allowing them to disperse throughout the workplace.
Use suitable respiratory protection when engineering controls cannot adequately limit exposure.
Ensure that ventilation equipment is compatible with combustible organic liquids.
Avoid introducing humid ventilation air directly into open process vessels when the anhydrous specification must be maintained.
Storage:
Store Benzyl Alcohol anhydrous in tightly closed and correctly labeled containers.
Keep the product in a cool, dry, and well-ventilated location.
Protect containers from direct sunlight, excessive heat, humid air, water, and physical damage.
Keep Benzyl Alcohol anhydrous separated from strong oxidizing agents and other incompatible materials.
Use container, seal, hose, gasket, and pump materials confirmed as chemically compatible.
Carefully reseal partially used containers immediately after sampling or transfer.
Consider dry nitrogen blanketing or another suitable moisture-control system for bulk storage when required by the process.
Maintain the storage temperature recommended by the supplier for the selected commercial grade.
Spill and Leak Procedures:
Restrict access to the affected area and remove unnecessary personnel.
Eliminate open flames, sparks, hot surfaces, and other ignition sources.
Stop the source of the leak when this can be done safely.
Provide adequate ventilation before beginning recovery operations.
Collect free liquid in suitable sealable containers whenever practical.
Absorb the remaining material with sand, earth, vermiculite, or another compatible inert absorbent.
Transfer contaminated absorbent into correctly labeled containers for recovery or regulated disposal.
Prevent Benzyl Alcohol anhydrous from entering drains, soil, groundwater, or surface water.
Clean the affected surface thoroughly because residual liquid may create a slipping hazard.
Handling Precautions:
Wear suitable chemical-resistant gloves selected according to the expected contact duration.
Use safety glasses with side protection or chemical goggles during routine handling.
Wear a face shield where splashing is reasonably foreseeable.
Use protective work clothing and footwear capable of limiting repeated skin exposure.
Provide accessible eyewash and emergency-shower equipment near major handling areas.
Use clean and dry transfer equipment to preserve the low-water specification.
Avoid using wet hoses, containers, pumps, or sampling devices.
Keep Benzyl Alcohol anhydrous away from open flames and uncontrolled high-temperature sources.
Ground and bond transfer equipment where required by the process risk assessment.
Review the current supplier Safety Data Sheet and certificate of analysis before production, formulation, transportation, storage, cleaning, or disposal.
