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Tetrameen OV is an ethylenediamine derivative in which each nitrogen carries two methyl substituents.
Tetrameen OV is widely employed both as a ligand for metal ions and as a catalyst in organic polymerisation.
Tetrameen OV has a role as a chelator and a catalyst.
CAS Number: 110-18-9
Molecular Formula: C6H16N2
Molecular Weight: 116.2
EINECS Number: 203-744-6
Synonyms: Tetramethylethylenediamine, TEMED, TMEDA, N,N,N',N'-Tetramethylethylenediamine, N,N,N',N'-tetramethylethane-1,2-diamine, 1,2-Bis(dimethylamino)ethane, Tetramethyldiaminoethane, Tetrameen OV, Propamine D, 1,2-Ethanediamine, N,N,N',N'-tetramethyl-, Tetramethyl ethylene diamine, N,N,N',N'-TETRAMETHYL-1,2-ETHANEDIAMINE, Ethylenediamine, N,N,N',N'-tetramethyl-, N,N,N',N'-Tetramethyl-1,2-diaminoethane, Dimethyl(2-(dimethylamino)ethyl)amine, [2-(dimethylamino)ethyl]dimethylamine, 1,2-Bis-(dimethylamino)ethane, N,N,N',N'-tetramethyl-ethane-1,2-diamine, N,N,N',N'-tetramethylethylendiamine, N,N,N',N'-tetramethylethylene-diamine, (CH₃)₂NCH₂CH₂N(CH₃)₂,N1,N1,N2,N2-tetraMethylethane-1,2-diaMine;N,N,N',N'-Tetramethylethane-1,2-diamine, electrophoresis grade;1,2-EthanediaMine,N1,N1,N2,N2-tetraMethyl-;Four MethylEthylenediaMine;N,N,N',N'-TetraMethylethylenediaMine >=99.5%, purified by redistillation;N,N,N',N'-TetraMethylethylenediaMine ReagentPlus(R), 99%;(CH3)2NCH2CH2N(CH3)2;1,2-Diaminoethane, N,N,N',N'-tetramethyl-
Tetrameen OV OV is an oleyl (vegetable oil) tripropylenetetraamine.
Its functions include corrosion inhibitor, dispersing agent, emulsifier, and hydrophobizing.
Tetrameen OV is ideal for use in automotive polishes and metal cleaning applications.
Tetrameen OV is a chemical compound with the formula (CH3)2NCH2CH2N(CH3)2.
This species is derived from ethylenediamine by replacement of the four amine hydrogens with four methyl groups.
Tetrameen OV is a colorless liquid, although old samples often appear yellow.
Tetrameen OV odor is similar to that of rotting fish.
Tetrameen OV is an oleyl-based tripropylenetetraamine compound.
It is a fatty amine derived from vegetable oil and belongs to the group of cationic surfactants.
Tetrameen OV combines hydrophobic and hydrophilic properties, making it useful in many industrial formulations.
It is commonly used as a corrosion inhibitor in metal treatment processes.
By forming a protective film on metal surfaces, it prevents oxidation and rust formation.
This property makes it valuable in cleaning, polishing, and protective coatings for metals.
Tetrameen OV also acts as a dispersing and emulsifying agent in formulations.
It helps mix oil and water phases uniformly, providing stability in emulsions.
This characteristic is especially important in lubricants, wax emulsions, and detergents.
In automotive and machinery applications, it improves the adhesion of protective layers.
It enhances water repellency and surface smoothness on treated materials.
This contributes to better durability and appearance of metal and coated surfaces.
The compound appears as a waxy solid or viscous liquid depending on temperature.
It melts around 25 to 35 degrees Celsius and becomes fully liquid when heated.
It has a mild amine odor and is soluble in organic solvents but only slightly soluble in water.
Tetrameen OV is thermally stable and has a relatively high flash point.
This stability allows it to be used in processes that involve moderate heat.
It remains effective even in environments exposed to moisture or varying temperatures.
In formulations, it also functions as a hydrophobizing agent.
It makes surfaces resistant to water and moisture absorption.
This feature is beneficial for outdoor coatings and industrial protective films.
Tetrameen OV is a versatile chemical used for protection, dispersion, and surface modification.
Tetrameen OV plays an important role in coatings, metal finishing, and cleaning industries.
Its combination of amine functionality and fatty structure provides efficiency and strong performance.
Tetrameen OV is widely employed as a ligand for metal ions.
Tetrameen OV forms stable complexes with many metal halides, e.g. zinc chloride and copper(I) iodide, giving complexes that are soluble in organic solvents.
In such complexes, Tetrameen OV serves as a bidentate ligand.
Tetrameen OV has an affinity for lithium ions.
When mixed with n-butyllithium, Tetrameen OV's nitrogen atoms coordinate to the lithium, forming a cluster of higher reactivity than the tetramer or hexamer that n-butyllithium normally adopts.
Tetrameen OV is able to metallate or even doubly metallate many substrates including benzene, furan, thiophene, N-alkylpyrroles, and ferrocene.
Many anionic organometallic complexes have been isolated as their [Li(tmeda)2]+ complexes.
In such complexes [Li(tmeda)2]+ behaves like a quaternary ammonium salt, such as [NEt4]+.
Tetrameen OV is a useful combination in organic synthesis where the n-butyl analogue adds to substrate.
Tetrameen OV is still capable of forming a metal complex with Li in this case as mentioned above.
Tetrameen OV is a highly versatile amine compound specifically engineered for use in advanced industrial formulations.
It combines the chemical reactivity of polyamines with the lubricating and film-forming properties of fatty amines.
This makes it particularly effective in surface protection, lubrication, and emulsification systems.
In corrosion protection systems, Tetrameen OV acts through adsorption onto metallic surfaces.
Its polar amine groups create a dense molecular film that blocks moisture and oxygen penetration.
This film prevents electrochemical reactions that lead to rust or pitting corrosion.
It is also an essential component in metalworking fluids used during cutting, drilling, or grinding operations.
The compound reduces friction between metal surfaces, which minimizes wear and tool damage.
At the same time, its anti-corrosive effect protects both tools and finished parts during processing.
Melting point: −55 °C (lit.)
Boiling point: 120–122 °C (lit.)
Density: 0.775 g/mL at 20 °C (lit.)
Vapor density: 4 (vs air)
Vapor pressure: 21 hPa (20 °C)
Refractive index: n20/D 1.4179 (lit.)
Flash point: 50 °F
Storage temperature: Store below +30 °C
Solubility: H₂O – 10 mg/mL at 20 °C, clear, colorless
Form: Liquid
pKa: 10.40, 8.26 (at 25 °C)
Specific gravity: 0.777 (20/4 °C)
Color: Clear colorless to slightly yellow
Odor: Amine-like
pH: 8.0–8.5 (0.1 g/L, H₂O, 20 °C)
Explosive limit: 1–9% (V)
Water solubility: Miscible
Sensitive: Hygroscopic
Merck: 14,9134
BRN: 1732991
Stability: Stable. Highly flammable. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides, copper, mercury.
InChIKey: DMQSHEKGGUOYJS-UHFFFAOYSA-N
LogP: −0.13 (20.2 °C)
Tetrameen OV is an oleyl (vegetable oil) dipropylene triamine.
Its functions include corrosion inhibitor, dispersing agent, emulsifier, and hydrophobizing.
Tetrameen OV is ideal for use in metal cleaning applications.
Tetrameen OV belongs to the family of polyamine derivatives, specifically oleyl tripropylenetetraamines.
Its molecular structure contains both long hydrophobic alkyl chains and reactive amine groups.
This dual nature allows it to interact with both organic and inorganic surfaces effectively.
It is designed to provide excellent adhesion to metal surfaces due to its amine functionality.
The nitrogen atoms in its structure can bond to metallic ions, forming a protective coordination layer.
This layer helps prevent corrosion, oxidation, and chemical attack on the metal substrate.
In water-based and solvent-based formulations, Tetrameen OV functions as a surface-active additive.
It helps reduce surface tension, ensuring even spreading and wetting of coatings or cleaning solutions.
This results in improved uniformity, gloss, and surface protection.
In industrial cleaning applications, it acts as a neutralizing and conditioning agent.
It assists in removing dirt, oils, and oxide residues from metal parts.
At the same time, it leaves behind a thin, protective hydrophobic film that prevents re-corrosion.
Tetrameen OV is often blended with other amines or surfactants to enhance performance.
When combined with fatty acids or ethoxylates, it produces stable emulsions with long-term storage stability.
This makes it an ideal component in rust inhibitors, metalworking fluids, and water-repellent coatings.
In the paint and coating industry, it serves as a wetting agent and pigment dispersant.
It helps distribute solid particles uniformly in paints and resins.
This provides better color consistency, gloss retention, and resistance to fading or flaking.
In textile and leather treatments, Tetrameen OV imparts softness and anti-static properties.
It improves surface feel and provides moisture resistance without reducing breathability.
These effects enhance both comfort and durability of the final product.
The compound also plays an important role in lubricant formulations.
It helps reduce friction, control foaming, and improve the stability of oil-water mixtures.
Its amine groups can react with acidic components, preventing corrosion and extending lubricant life.
From a handling perspective, Tetrameen OV should be stored in a cool, dry place away from moisture.
It can absorb water and carbon dioxide from the air if left exposed.
Therefore, containers should be tightly sealed and kept under inert conditions when possible.
Although it is not classified as highly hazardous, direct contact with skin or eyes should be avoided.
It can cause mild irritation due to its alkaline and amine character.
Protective gloves, goggles, and ventilation are recommended during handling and mixing.
Tetrameen OV is a multifunctional additive used across many industrial sectors.
Its strong surface activity, corrosion protection, and emulsifying abilities make it highly valuable.
It remains a preferred choice for engineers and formulators seeking durable and efficient surface-active agents.
Tetrameen OV appears as a water-white colored liquid with a fishlike odor.
Vapors heavier than air. Used to make other chemicals.
Tetrameen OV neutralizes acids in exothermic reactions to form salts plus water.
May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides.
Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Tetrameen OV is a common reagent in molecular biology laboratories, as a polymerizing agent for polyacrylamide gels in the protein analysis technique SDS-PAGE.
Tetrameen OV performs well in oil-in-water and water-in-oil emulsions due to its balanced molecular polarity.
It stabilizes the interface between hydrophobic and hydrophilic components.
This prevents separation and ensures a smooth, consistent formulation over long storage periods.
In the coating industry, it enhances the adhesion of resins and improves film uniformity.
It helps coatings spread evenly and bond more tightly to metal, wood, or plastic substrates.
This results in improved weather resistance, chemical resistance, and coating flexibility.
The compound is also used in fuel and lubricant additive packages.
It improves fuel stability, reduces gum formation, and protects storage tanks from internal corrosion.
In lubricants, it neutralizes acidic by-products formed during operation, maintaining oil performance.
In detergents and cleaning agents, Tetrameen OV functions as a cationic surfactant.
It breaks down oily residues, metal oxides, and particulate deposits on hard surfaces.
After cleaning, it leaves behind a thin hydrophobic film that delays re-soiling or corrosion.
Its oleyl chain gives Tetrameen OV good compatibility with natural oils and esters.
This allows it to be incorporated into environmentally friendlier formulations derived from renewable materials.
Such bio-based formulations are gaining importance in sustainable industrial chemistry.
In textiles and fibers, it acts as an antistatic and softening agent.
It modifies the surface charge of fibers, reducing static buildup and improving touch.
This application is especially valuable in synthetic fabrics used in industrial and consumer clothing.
Tetrameen OV exhibits strong adhesion to negatively charged surfaces like clays, pigments, and oxides.
This feature makes it useful in pigment dispersion, ceramic processing, and composite material production.
It helps distribute particles evenly and prevents agglomeration during formulation.
When used in water treatment systems, it functions as a corrosion inhibitor for pipelines and storage tanks.
It prevents scaling and metal degradation in systems that circulate or store water.
Its long-chain structure allows for strong bonding to metal surfaces, ensuring prolonged protection.
In construction chemicals, it improves the adhesion and water resistance of coatings and concrete additives.
It provides hydrophobicity while maintaining vapor permeability in treated materials.
This is particularly useful in waterproof sealants and anti-corrosion primers for steel-reinforced concrete.
Tetrameen OV’s versatility also extends to the electronics and electrical industries.
It can be used in anti-corrosion coatings for connectors and circuits exposed to humidity.
Its insulating and moisture-repelling properties enhance long-term reliability of electronic components.
From an environmental and safety standpoint, Tetrameen OV is considered moderately hazardous in concentrated form.
It can cause irritation to skin, eyes, and respiratory passages upon direct exposure.
Therefore, it should be handled with gloves, goggles, and proper ventilation in industrial environments.
Uses:
Tetrameen OV is used as polymerization accelerator in gel electrophoresis, solvent and oxidizing reagent.
It is also used for the separation of proteins or nucleic acids.
Further, it is employed as a ligand for metal ions like zinc and copper.
Tetrameen OV is actively involved in the formation of anionic organometallic complex.
Tetrameen OV is a highly efficient catalyst for the Baylis-Hillman reaction, outperforming the most widely used catalyst DABCO.
Tetrameen OV can catalyze the Baylis-Hillman reaction of aromatic aldehydes with various active olefins.
Tetrameen OV is primarily used as a corrosion inhibitor in industrial and metalworking applications.
It protects metal surfaces by forming a thin, invisible film that blocks moisture and oxygen.
This action prevents oxidation, rusting, and pitting on steel, iron, and other metals.
It is commonly added to metal cleaning and finishing formulations.
During cleaning, it removes oxides and oily residues while simultaneously depositing a protective layer.
This prevents flash rusting after cleaning and enhances long-term durability of metal parts.
Tetrameen OV serves as an effective dispersing and emulsifying agent.
It stabilizes the mixture between oil and water, preventing phase separation in emulsions.
This property is particularly valuable in lubricants, wax emulsions, and industrial detergents.
In metalworking fluids, it reduces friction and wear during machining or grinding processes.
Its amine structure provides lubrication between tool and workpiece surfaces.
This leads to smoother operations, less heat generation, and longer tool life.
It is also used in coatings, paints, and primers to improve adhesion and hydrophobicity.
Tetrameen OV helps coatings bond more strongly to metal and concrete surfaces.
This improves the protective layer’s uniformity, flexibility, and resistance to water and chemicals.
In lubricant formulations, it acts as both a corrosion inhibitor and acid neutralizer.
It reacts with acidic by-products formed during lubrication to maintain oil stability.
As a result, it extends the service life of both machinery and lubricants.
In fuel additives, Tetrameen OV enhances the stability of stored fuels.
It prevents gum formation and protects fuel tanks and pipelines from corrosion.
This makes it suitable for diesel, kerosene, and biodiesel blends used in industrial systems.
It is used in the textile and leather industries as an antistatic and softening agent.
Its cationic nature allows it to coat fibers, reducing static buildup and friction.
At the same time, it imparts softness and moisture resistance to fabrics and leather goods.
In detergents and cleaning agents, it functions as a cationic surfactant and wetting agent.
It helps dissolve oils, dirt, and oxide layers from metal and hard surfaces.
After cleaning, it leaves behind a hydrophobic film that delays recontamination.
Tetrameen OV is also incorporated into water treatment formulations.
It protects pipes, storage tanks, and heat exchangers from corrosion in circulating systems.
This makes it valuable in industrial cooling and boiler water treatment.
In construction chemicals, it improves water resistance and adhesion in coatings and sealants.
It enhances the performance of anti-corrosion primers and waterproof barriers.
Its hydrophobic nature also helps in extending the lifespan of concrete and steel structures.
In pigment dispersion and composite production, it helps evenly distribute solid particles.
It adsorbs on pigment or filler surfaces, preventing clumping and ensuring smooth mixing.
This leads to uniform color and improved mechanical properties of coatings and plastics.
In the electronics and electrical industries, it serves as a moisture barrier and protective coating.
It is applied to metal connectors, terminals, and circuit components exposed to humidity.
This ensures electrical reliability by minimizing oxidation and surface leakage.
Tetrameen OV is also used as an additive in rust-preventive waxes and polishes.
It improves shine, spreads easily on surfaces, and enhances long-term protection.
This makes it suitable for both automotive and household maintenance products.
Tetrameen OV is a multifunctional chemical used in coatings, lubricants, cleaners, and corrosion-protection systems.
Its combination of emulsifying, film-forming, and anti-corrosive properties makes it highly versatile.
Industries value it for its ability to protect surfaces, stabilize formulations, and extend product life.
Tetrameen OV is widely used in industrial maintenance formulations because of its ability to protect metal infrastructure.
It is blended into oils, greases, and rust preventives that coat pipelines, storage tanks, and machinery.
These products form a hydrophobic barrier that repels moisture, salt, and oxygen even in harsh environments.
It is a key component in anti-corrosion coatings for marine and offshore applications.
When added to protective paints and primers, it improves adhesion to steel and prevents saltwater corrosion.
Its cationic film-forming behavior helps extend the lifespan of ships, platforms, and marine equipment.
In automotive chemistry, Tetrameen OV is used in polishes, waxes, and underbody coatings.
It enhances water repellency and gives treated surfaces a glossy finish with strong corrosion resistance.
This combination of shine and protection makes it ideal for both cosmetic and functional vehicle care.
In coolant and antifreeze formulations, it acts as a corrosion control additive.
It prevents damage to metal parts in engines and cooling systems by neutralizing acidic compounds.
This ensures better heat transfer, reduced maintenance, and longer equipment service life.
In industrial lubricants, Tetrameen OV functions as a friction modifier and antiwear agent.
Its amine groups react with acidic degradation products, preventing oxidation and sludge formation.
The oleyl chain provides smooth lubrication and stable viscosity under high temperature or pressure.
It is also employed in fuel systems as a deposit control agent.
It helps disperse contaminants and prevents clogging in fuel injectors and storage tanks.
By doing so, it enhances combustion efficiency and reduces maintenance downtime.
In water-based paints and latex formulations, Tetrameen OV serves as an adhesion promoter and stabilizer.
It improves wetting of pigments and fillers, ensuring even coating coverage.
This leads to paints that resist cracking, peeling, and discoloration caused by UV or moisture exposure.
It finds use in industrial detergent systems, particularly in degreasers and alkaline cleaners.
It accelerates the removal of oils, greases, and carbon residues while protecting cleaned metal from rusting.
After cleaning, it leaves a thin, invisible film that prevents flash corrosion during drying.
In agricultural formulations, Tetrameen OV can be used as an emulsifier for oil-based pesticides or herbicides.
It ensures even distribution of active ingredients over plant surfaces or soil.
This enhances the effectiveness of formulations while maintaining stability under storage.
Health Hazard:
May cause toxic effects if inhaled or absorbed through skin.
Inhalation or contact with material may irritate or burn skin and eyes.
Fire will produce irritating, corrosive and/or toxic gases.
Vapors may cause dizziness or suffocation.
Runoff from fire control or dilution water may cause pollution.
Fire Hazard:
Will be easily ignited by heat, sparks or flames.
Vapors may form explosive mixtures with air.
Vapors may travel to source of ignition and flash back.
Most vapors are heavier than air.
They will spread along ground and collect in low or confined areas (sewers, basements, tanks).
Vapor explosion hazard indoors, outdoors or in sewers.
Runoff to sewer may create fire or explosion hazard.
Containers may explode when heated.
Many liquids are lighter than water.
Safety Profile:
Moderately toxic by ingestion.
A skin and severe eye irritant.
Flammable when exposed to heat or flame; can react with oxidizing materials.
When heated to decomposition it emits toxic fumes of NOx.
Tetrameen OV is classified as an irritant and corrosive amine compound when handled in its concentrated form.
It can cause burns or irritation to the skin and eyes upon direct contact.
Therefore, proper personal protective equipment should always be used during handling.
Inhalation of its vapors or aerosols may irritate the respiratory tract.
Prolonged exposure can cause coughing, throat irritation, or shortness of breath.
Workplaces should maintain adequate ventilation or use fume extraction systems when processing it.
If swallowed, Tetrameen OV may be harmful and cause burns to the mouth, throat, and digestive tract.
Ingestion can lead to nausea, abdominal discomfort, or vomiting.
Medical attention should be sought immediately in case of accidental ingestion.
Skin exposure can lead to redness, dryness, or chemical burns, depending on concentration and duration.
Prolonged or repeated contact may result in dermatitis or sensitization in some individuals.
Gloves and protective clothing are recommended when handling or blending the material.
Eye contact with Tetrameen OV can result in severe irritation, redness, or corneal injury.
Even small splashes can cause discomfort due to the compound’s strong alkalinity.
Safety goggles or face shields should always be worn when pouring or mixing it.
