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Propargylalcohol is a highly reactive alkynyl alcohol used mainly as a chemical intermediate and as a corrosion inhibitor component in certain industrial systems, and Propargylalcohol is valued for its strong adsorption on metal surfaces and its versatility in organic synthesis.
Propargylalcohol is used in the production of specialty chemicals, agrochemical and pharmaceutical intermediates, polymer additives, and plating or pickling inhibitor systems, and Propargylalcohol performance depends on purity, inhibitor package design, and the chemistry of the target process environment.
Propargylalcohol is typically supplied as a clear, colorless liquid with a sharp odor, and Propargylalcohol is flammable and toxic, so industrial handling requires strict controls to prevent inhalation, skin absorption, and ignition hazards.
CAS Number: 107-19-7
EC Number: 203-471-2
Molecular Formula: C3H4O
Molecular Weight: 56.06 g/mol
Synonyms: Propargylalcohol, Propargyl Alcohol, 2-Propyn-1-ol, Prop-2-yn-1-ol, 3-Hydroxy-1-propyne, Ethynylmethanol, HC≡C-CH2OH, Propargylol, Alkynyl Alcohol, Propynyl Alcohol, Propargylalcohol Anhydrous, Water-Free Propargylalcohol, Propargyl Alcohol, 2-Propyn-1-ol, Prop-2-yn-1-ol, 2-Propynol, Propynol, Propargylol, Ethynylmethanol, Ethynyl Methanol, Acetylenyl Methanol, Acetylenemethanol, Acetylenic Alcohol, Propargylic Alcohol, 1-Hydroxy-2-propyne, 3-Hydroxy-1-propyne, 2-Propynyl Alcohol, Prop-2-ynyl Alcohol, Propynyl Alcohol, Propargyl Alcohol Reagent, Propargyl Alcohol Technical Grade, Propargyl Alcohol Industrial Grade, Propargyl Alcohol Chemical Grade, Propargyl Alcohol Laboratory Grade, Propargyl Alcohol High Purity, High Purity Propargyl Alcohol, Propargyl Alcohol Pure, Pure Propargyl Alcohol, Propargyl Alcohol Stabilized, Stabilized Propargyl Alcohol, Propargyl Alcohol Solvent Grade, Propargyl Alcohol Synthesis Grade, Propargyl Alcohol for Synthesis, Propargyl Alcohol Intermediate, Propargyl Alcohol Corrosion Inhibitor Intermediate, Propargyl Alcohol Plating Additive, Propargyl Alcohol Alkynol, Alkynol Propargyl Alcohol, Propargyl Alcohol Liquid, Propargyl Alcohol CAS 107-19-7, 2-Propyn-1-ol CAS 107-19-7, Prop-2-yn-1-ol CAS 107-19-7, Propargyl Alcohol Commercial Grade, Commercial Propargyl Alcohol, Propargyl Alcohol Anhydrous, Anhydrous Propargyl Alcohol, Propargyl Alcohol Water-Free, Water-Free Propargyl Alcohol
APPLICATIONS
Propargylalcohol is used as a corrosion inhibitor component in acid pickling and cleaning systems for steel and other metals.
Propargylalcohol is incorporated into inhibitor packages for hydrochloric acid and sulfuric acid systems to reduce metal attack in compatible operations.
Propargylalcohol is used in oil and gas well acidizing fluids in selected applications as part of corrosion inhibition formulations.
Propargylalcohol is used as an intermediate in organic synthesis to build alkynyl functionality into specialty molecules.
Propargylalcohol is incorporated into synthesis routes for pharmaceuticals and fine chemicals where terminal alkyne chemistry is required.
Propargylalcohol is used to produce propargyl esters, ethers, and carbamates as building blocks for specialty products.
Propargylalcohol is used in the manufacture of polymer additives and resin modifiers in selected applications where reactive alkyne groups are beneficial.
Propargylalcohol is incorporated into monomer or modifier synthesis to tune polymer properties and crosslinking behavior.
Propargylalcohol is used in specialty coatings chemistry in selected applications as a reactive intermediate.
Propargylalcohol is used in electroplating and metal finishing in selected applications as an additive to improve bath behavior and metal surface protection.
Propargylalcohol is incorporated into pickling inhibitor formulations to support brightening and reduced pitting in compatible processes.
Propargylalcohol is used in metal treatment systems where adsorption-based inhibition improves process control.
Propargylalcohol is used in agrochemical intermediate synthesis in selected applications to build specific functional groups into active ingredient precursors.
Propargylalcohol is incorporated into heterocycle and substituted alkyne synthesis routes used for crop protection chemistry.
Propargylalcohol is used in specialty chemical manufacturing where terminal alkyne reactions provide product differentiation.
Propargylalcohol is used in laboratory synthesis as a reagent for coupling reactions and functional group transformations.
Propargylalcohol is incorporated into click-chemistry precursor routes after conversion to suitable derivatives.
Propargylalcohol is used in research and development settings where reactive alkyne alcohol building blocks are needed.
Propargylalcohol is valued because Propargylalcohol provides a compact, highly reactive alkyne-bearing alcohol structure that enables efficient synthesis pathways and effective adsorption-based corrosion inhibition in compatible industrial environments.
Propargylalcohol is used as a chemical intermediate in organic synthesis.
Propargylalcohol supports production of propargyl derivatives used in pharmaceuticals and fine chemicals.
Propargylalcohol helps introduce an alkyne functional group for further reactions.
Propargylalcohol is used to manufacture corrosion inhibitor intermediates for industrial applications.
propargylalcohol supports synthesis of propargyl-based corrosion inhibitor packages.
Propargylalcohol helps provide film-forming inhibitor functionality in some acid service systems.
Propargylalcohol is used in acid pickling and acid cleaning inhibitor formulations in some metal treatment applications.
Propargylalcohol supports corrosion protection of steel during acidizing operations in some systems.
Propargylalcohol helps reduce metal loss by adsorbing on metal surfaces in some inhibitor designs.
Propargylalcohol is used in oil and gas well acidizing as a component in some corrosion inhibitor blends.
Propargylalcohol supports protection of tubing and casing in acidic environments when properly formulated.
Propargylalcohol helps improve inhibitor performance in high-temperature acid treatments in some designs.
Propargylalcohol is used in metal finishing to reduce acid corrosion during surface preparation in some processes.
Propargylalcohol supports improved surface quality by limiting over-etching in some operations.
Propargylalcohol helps reduce pitting risk during acid treatment in some systems.
Propargylalcohol is used as a building block to produce propargyl ethers and esters.
Propargylalcohol supports synthesis of specialty solvents and reactive intermediates.
Propargylalcohol helps enable tailored functional molecules for industrial chemistry.
Propargylalcohol is used in synthesis of propargyl halides and propargyl sulfonates as intermediates.
Propargylalcohol supports preparation of activated propargyl reagents for coupling chemistry.
Propargylalcohol helps expand reaction scope in alkyne chemistry.
Propargylalcohol is used in click-chemistry precursor synthesis for research and materials development.
Propargylalcohol supports preparation of alkyne-tagged molecules for azide–alkyne cycloaddition.
Propargylalcohol helps enable labeling and conjugation strategies in chemical biology.
Propargylalcohol is used in polymer chemistry to introduce alkyne functionality into monomers and oligomers.
Propargylalcohol supports preparation of functionalized resins for crosslinking and grafting.
Propargylalcohol helps enable post-polymerization modification via alkyne reactions.
Propargylalcohol is used to manufacture specialty monomers for UV-curable and functional coatings in some applications.
Propargylalcohol supports synthesis routes for alkyne-functional acrylates and related monomers.
Propargylalcohol helps enable reactive sites for advanced curing chemistries in some designs.
Propargylalcohol is used in synthesis of agrochemical intermediates in some manufacturing routes.
Propargylalcohol supports building alkyne-containing molecules for crop protection chemistry.
Propargylalcohol helps provide a versatile intermediate for pesticide and herbicide synthesis.
Propargylalcohol is used in pharmaceutical intermediate synthesis for certain active ingredient pathways.
Propargylalcohol supports preparation of alkyne-containing fragments used in medicinal chemistry.
Propargylalcohol helps enable coupling reactions and functional group transformations in drug development.
Propargylalcohol is used in fragrance and flavor intermediate synthesis in some chemical routes.
Propargylalcohol supports production of specialty aroma chemicals through further derivatization.
Propargylalcohol helps introduce reactivity for constructing complex fragrance molecules.
Propargylalcohol is used in dye and pigment intermediate synthesis in some manufacturing pathways.
Propargylalcohol supports preparation of functional intermediates for colorant chemistry.
Propargylalcohol helps enable diversification of dye structures through alkyne chemistry.
Propargylalcohol is used in photographic chemical intermediate synthesis in some legacy processes.
Propargylalcohol supports preparation of specialty reagents for imaging chemistry in some contexts.
Propargylalcohol helps enable functional group incorporation in photographic intermediates.
Propargylalcohol is used as a solvent in specialized laboratory reactions in limited contexts.
Propargylalcohol supports dissolution of certain reagents while participating as a reactant in some cases.
Propargylalcohol helps provide a reactive solvent option when alkyne functionality is needed.
Propargylalcohol is used in chemical research to study alkyne hydration, oxidation, and coupling reactions.
Propargylalcohol supports method development for catalytic transformations.
Propargylalcohol helps serve as a benchmark substrate in alkyne reaction studies.
Propargylalcohol is used in catalytic hydrogenation research to form allyl alcohol in some reaction studies.
Propargylalcohol supports evaluation of selective hydrogenation catalysts.
Propargylalcohol helps benchmark chemoselectivity in alkyne reduction experiments.
Propargylalcohol is used in oxidation chemistry research to prepare aldehydes and acids from alkyne alcohols.
Propargylalcohol supports studies on controlled oxidation pathways.
Propargylalcohol helps develop selective oxidation methods for functionalized substrates.
Propargylalcohol is used in etherification reactions to produce propargyl ethers used as intermediates.
Propargylalcohol supports Williamson ether synthesis and related approaches.
Propargylalcohol helps enable preparation of alkyne-functional surfactants in some research.
Propargylalcohol is used in esterification to produce propargyl esters for specialty chemical applications.
Propargylalcohol supports creation of alkyne-bearing ester intermediates.
Propargylalcohol helps provide reactive handles for further functionalization.
Propargylalcohol is used in halogenation and sulfonation routes to create leaving-group activated intermediates.
Propargylalcohol supports production of propargyl bromide-type intermediates via multi-step routes.
Propargylalcohol helps enable coupling chemistry through activated propargyl derivatives.
Propargylalcohol is used in production of propargylated resins and additives in some material applications.
Propargylalcohol supports incorporation into polymer backbones for functional materials.
Propargylalcohol helps enable crosslinking or click-chemistry modification in some systems.
Propargylalcohol is used in surface modification research for creating alkyne-terminated surfaces.
Propargylalcohol supports attachment points for subsequent click-functionalization.
Propargylalcohol helps enable biofunctional coatings and sensor interfaces in some studies.
Propargylalcohol is used in analytical chemistry as a reagent or standard in some method development.
Propargylalcohol supports calibration and identification in GC and LC workflows in some labs.
Propargylalcohol helps validate methods for volatile and reactive alcohol analysis.
Propargylalcohol is used in quality control to monitor purity and inhibitor content in industrial supply streams.
Propargylalcohol supports consistent performance in downstream synthesis.
Propargylalcohol helps reduce variability and side reactions by ensuring quality.
Propargylalcohol is used in manufacturing troubleshooting when alkyne-functional intermediates are required quickly.
Propargylalcohol supports flexible synthesis planning due to high reactivity.
Propargylalcohol helps shorten routes by serving as a direct building block.
Propargylalcohol is used in custom synthesis to create labeled and functional molecules for research.
Propargylalcohol supports building of alkyne-tagged probes for proteomics and imaging.
Propargylalcohol helps enable modular conjugation via click chemistry.
Propargylalcohol is used in education and training as a classic example of an alkynyl alcohol.
Propargylalcohol supports teaching about acidity of terminal alkynes and functional group reactivity.
Propargylalcohol helps illustrate addition and substitution chemistry of alkynes.
Propargylalcohol is used in industrial R&D to evaluate corrosion inhibitor performance in acid systems.
Propargylalcohol supports screening of inhibitor blends for high-temperature acid exposure.
Propargylalcohol helps optimize inhibitor dosage for protection and economics.
Propargylalcohol is used in export chemical supply chains as a versatile intermediate for multiple industries.
Propargylalcohol supports consistent availability of alkyne chemistry feedstock.
Propargylalcohol helps enable downstream manufacturing of pharmaceuticals and specialty chemicals.
Propargylalcohol is used in synthesis of specialty additives where small, reactive alcohols are required.
Propargylalcohol supports diversification of chemical product portfolios through alkyne derivatization.
Propargylalcohol helps provide a compact functional building block for many synthetic pathways.
DESCRIPTION
Propargylalcohol is a low-molecular-weight unsaturated alcohol containing a terminal alkyne group, and this alkyne functionality gives Propargylalcohol high reactivity in addition, coupling, and polymerization-related chemistry.
Propargylalcohol can adsorb onto metal surfaces and inhibit corrosion in acidic environments, and this is why Propargylalcohol is used as an ingredient in corrosion inhibitor packages for pickling and oilfield acidizing.
Propargylalcohol is flammable and toxic, and Propargylalcohol can be absorbed through skin and inhalation, so occupational exposure control is critical.
Propargylalcohol can form explosive mixtures with air, and Propargylalcohol vapors can travel and ignite from distant ignition sources, so safe storage and bonding/grounding are important.
Propargylalcohol can react with strong oxidizers and can participate in hazardous reactions under uncontrolled conditions, so compatibility and process hazard analysis should be performed for industrial use.
Propargylalcohol should be used according to applicable regulations and good industrial hygiene practices for the target market and facility.
Propargylalcohol is typically supplied as a clear, colorless liquid with strong odor, and Propargylalcohol should be stored in tightly closed containers with appropriate flammable storage controls.
Propargylalcohol should be protected from heat, sparks, open flames, and static discharge, and Propargylalcohol should be stored with adequate ventilation.
Propargylalcohol should be kept away from strong oxidizers, strong acids, and reactive metals where hazardous reactions could occur.
Propargylalcohol is a small organic compound with both an alcohol group and a terminal alkyne group.
Propargylalcohol is typically a colorless liquid with strong flammability and noticeable vapor hazard.
Propargylalcohol is used mainly as a reactive intermediate and as a component in some corrosion inhibitor systems.
Propargylalcohol is reactive and can undergo oxidation, reduction, esterification, etherification, and coupling reactions.
Propargylalcohol can polymerize or react vigorously under certain conditions, so stabilized grades may be used.
Propargylalcohol is toxic and requires careful handling with ventilation, protective gloves, and eye protection.
Propargylalcohol should be stored in tightly closed containers away from heat, sparks, and strong oxidizers.
Propargylalcohol is valued for its versatile alkyne functionality that enables many downstream transformations.
PROPERTIES
Chemical Formula: C3H4O
Molecular Weight: 56.06 g/mol
Common Name: Propargylalcohol
Chemical Type: Alkynyl alcohol; reactive intermediate; corrosion inhibitor component
Appearance: Clear, colorless liquid
Odor: Sharp, pungent odor
Solubility: Miscible with water and many organic solvents
Boiling Point: ~114–115°C (typical)
Melting Point: ~-50°C (typical)
Flash Point: ~32°C (typical; flammable liquid)
Vapor Pressure: Moderate (temperature dependent)
Stability: Stable under recommended storage; reactive with strong oxidizers; polymerization possible under certain conditions
Storage Temperature: 5–25°C, tightly closed, well-ventilated, flammable storage
Shelf Life: Typically 12–24 months in original sealed packaging (supplier dependent)
FIRST AID
Inhalation:
Move to fresh air immediately.
Seek medical attention if symptoms such as headache, dizziness, nausea, or breathing difficulty occur.
If breathing is difficult, trained personnel should provide oxygen and seek urgent medical care.
Skin Contact:
Remove contaminated clothing and rinse skin with plenty of water.
Wash thoroughly with soap and water after rinsing.
Seek medical attention if irritation persists, and seek urgent care for significant exposure because skin absorption is possible.
Eye Contact:
Rinse cautiously with water for at least 15 minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek immediate medical attention because eye exposure can be serious.
Ingestion:
Rinse mouth with water and do not induce vomiting.
Seek immediate medical attention or contact a poison center.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically.
Monitor for central nervous system effects and respiratory irritation.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including chemical-resistant gloves, goggles or face shield, and protective clothing.
Work in a well-ventilated area and avoid inhalation of vapors.
Eliminate ignition sources, bond and ground containers, and use explosion-proof equipment where required.
Ventilation:
Use local exhaust ventilation to control vapor levels.
Avoid aerosol formation and avoid handling in confined spaces without adequate ventilation.
Monitor vapor concentration in high-risk operations and use appropriate respiratory protection if needed.
Storage:
Store in tightly closed containers in a cool, well-ventilated flammable liquids area.
Keep away from heat, sparks, open flames, and static discharge.
Segregate from strong oxidizers and incompatible chemicals and protect containers from physical damage.
Spill and Leak Procedures:
Eliminate ignition sources and ventilate the area.
Contain spill with inert absorbent and collect into approved containers.
Prevent entry into drains and dispose of waste according to local regulations and facility procedures.
Handling Precautions:
Control exposure because Propargylalcohol is toxic and can be absorbed through skin and inhalation.
Avoid mixing with oxidizers or reactive chemicals without verified compatibility because hazardous reactions can occur.
Use trained handling procedures and follow facility safety rules for flammable, toxic chemicals.
