Electro Plating, High-Purity Solvents

Propargyl Alcohol (PA)

Propargyl alcohol, scientifically known as 2-propyn-1-ol, is a clear, colorless to pale yellow liquid with a mild geranium-like odor. Characterized by its triple bond and hydroxyl functional group, it serves as a versatile terminal alkyne intermediate in organic synthesis. It is miscible with water and common organic solvents like ethanol and ether. Primarily produced via the Reppe synthesis method-involving the high-pressure reaction of acetylene with formaldehyde-propargyl alcohol is a crucial building block for various industrial applications. Its unique chemical structure allows it to participate in diverse reactions including esterification, oxidation, and polymerization. However, it is highly toxic, flammable, and corrosive to human tissue, necessitating stringent handling protocols and protective equipment. Industrially, it acts as a potent corrosion inhibitor, particularly in acidic environments like oil well acidizing. Its bifunctional nature facilitates the creation of complex molecules in the pharmaceutical and agrochemical sectors, making it indispensable in modern chemical manufacturing processes today.

Attributes

Key Features and Benefits

Excellent corrosion inhibition properties for steel in mineral acids.
Dual functional groups enable versatile chemical reactions and organic synthesis.
Low molecular weight facilitates high reactivity in manufacturing processes.
Effective stabilizer for chlorinated hydrocarbons, preventing solvent decomposition.
High purity grades available for sensitive pharmaceutical and agrochemical applications.
Miscibility with water and organic solvents simplifies formulation in diverse systems.
Prevents hydrogen embrittlement in metal processing and oil field acidizing.
Acts as a robust intermediate for manufacturing high-performance agricultural chemicals.
Contributes to the development of sophisticated polymers and specialty coatings with enhanced durability.
Provides a cost-effective solution for metal protection across broad temperatures.

Specifications

Technical Highlights

CAS Number: 107-19-7; Formula: C3H4O; Weight: 56.06 g/mol.
Boiling Point: 114-115 degrees Celsius at atmospheric pressure.
Flash Point: 33 degrees Celsius (closed cup), indicating high flammability.
Density: 0.948 g/cm3 at 20 degrees Celsius.
Vapor Pressure: 1.58 kPa at 20 degrees Celsius, requiring sealed storage.
Refractive Index: 1.432, used for purity verification in laboratories.
Solubility: Fully miscible in water, ethanol, and diethyl ether.
Produced via ethynylation of formaldehyde utilizing copper acetylide catalysts.
It exhibits high chemical reactivity at the carbon-carbon triple bond and primary alcohol functional groups simultaneously.
Toxic via inhalation and skin absorption.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Oil and Gas: Used as a corrosion inhibitor during acidification of oil wells.
Metal Treatment: Essential component in pickling baths to protect steel from acid.
Agrochemicals: Key intermediate for synthesizing herbicides, fungicides, and soil fumigants.
Pharmaceuticals: Vital building block for Vitamin A and active medicinal ingredients.
Solvent Stabilization: Prevents degradation of chlorinated solvents like trichloroethylene and perchloroethylene.
Electroplating: Functions as a brightener and leveling agent in nickel and copper plating baths.
Polymer Science: Utilized as a monomer for producing specialized conductive polymers.
Synthesis: Precursor for allyl alcohol and various propargyl esters for custom chemical manufacturing and research development.