Electro Plating, High-Purity Solvents

N N Dimethylamino Dropyne Solution (DEP)

N,N-Dimethylaminopropyne (DEP), identified by CAS number 1866-52-0, is a versatile tertiary aminoalkyne compound frequently utilized as a specialized intermediate within various chemical syntheses. Characterized as a clear, colorless to pale yellow liquid when in solution, this molecule integrates the reactivity of a terminal alkyne group with the basicity of a dimethylamino moiety. This dual-functional structure allows for diverse chemical transformations, including Mannich reactions, nucleophilic additions, and cross-coupling procedures. Its primary industrial significance lies within the electroplating sector, where it serves as a highly effective leveling agent and brightener for nickel plating baths. By ensuring uniform metal deposition and enhancing the aesthetic quality of coatings, DEP remains indispensable for precision surface finishing. Furthermore, its role as a building block extends to the production of pharmaceutical precursors and agrochemical active ingredients. Due to its flammable and corrosive nature, handling requires stringent safety protocols, specialized storage conditions, and adherence to environmental regulations processing.

Attributes

Key Features and Benefits

Exceptional Leveling Performance: Acts as a superior grain refiner in electroplating, ensuring smooth, high-luster metal surfaces across complex geometries.
Enhanced Reactivity: The terminal alkyne and tertiary amine groups facilitate diverse synthetic pathways for complex organic molecules and derivatives.
High-Quality Aesthetic Finishes: Significantly improves the brightness and mirror-like appearance of decorative nickel and chrome coatings.
Versatile Chemical Intermediate: Serves as a critical building block for pharmaceuticals and specialty chemicals, offering high purity and yield consistency.
Improved Bath Longevity: Exhibits excellent stability in acidic plating baths, reducing chemical consumption and lowering overall operational maintenance costs efficiently during industrial large-scale manufacturing batch cycles.

Specifications

Technical Highlights

CAS Number: 1866-52-0.
Molecular Formula: C5H9N.
Appearance: Clear, colorless to yellowish liquid solution.
Purity: Typically available in 50% solution or high-purity grades for specialized synthesis.
Boiling Point: Approximately 80-82°C (for the pure substance).
Density: 0.77-0.79 g/cm³ at room temperature.
Solubility: Soluble in water, ethanol, and common organic solvents like acetone.
Functional Groups: Contains one terminal triple bond and one tertiary amine group.
Storage conditions: Store in cool, well-ventilated areas away from heat, sparks, and oxidizers.
Safety: Corrosive, flammable; requires PPE including gloves and masks during handling operations ensuring that all chemical stability parameters are met for safe laboratory and factory.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Electroplating Industry: Primary use as a leveling agent and brightener in Watts-type nickel plating baths to produce high-quality finishes.
Pharmaceutical Synthesis: Acts as an intermediate for synthesizing complex drug molecules, particularly those requiring tertiary amine or alkyne functionalization.
Agrochemical Production: Utilized in the creation of herbicides and pesticides through selective chemical modifications and terminal alkyne couplings.
Surface Treatment: Employed in specialized metal coatings to improve corrosion resistance and surface hardness for industrial machinery components.
Specialty Chemical Research: Used in laboratory environments for exploring novel Mannich base reactions and catalyst-assisted organic transformations including fine chemical synthesis for advanced material science applications