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Tetramethyldecyndiol (TMDD), chemically known as 2,4,7,9-tetramethyl-5-decyne-4,7-diol, is a multifunctional organic compound primarily used as a nonionic surfactant, wetting agent, and surface-active additive in industrial formulations.
Tetramethyldecyndiol (TMDD) belongs to the family of acetylenic diols and is well known for its ability to reduce surface tension in aqueous systems.
Tetramethyldecyndiol (TMDD) makes it an important specialty chemical in coatings, inks, adhesives, and agricultural formulations.
CAS Number: 126-86-3
Molecular Formula: C14H26O2
Molecular Weight: 226.35
EINECS Number: 204-809-1
Synonyms: 2,4,7,9-Tetramethyl-5-decyne-4,7-diol, 2,4,7,9-tetramethyldec-5-yne-4,7-diol, tetramethyl decynediol, TMDD, 5-decyne-4,7-diol, 2,4,7,9-tetramethyl-, 4,7-dihydroxy-2,4,7,9-tetramethyl-5-decyne, 1,4-diisobutyl-1,4-dimethylbutynediol, 1,4-dimethylbutynediol, Surfynol 104, Surfynol 104A, Surfynol 104E, Surfynol 104PA, Surfynol 104BC, Surfynol 104H, Surfynol TG, Surfynol PC, Surfynol TG-E, Surfynol 104PG, Surfynol PG-50, Syrfynol 104, Surynol 104, Acetylenol E 00, Zetasperse 1200, Olfine PD 301, Olfine AK 02, CAS 126-86-3, EC 204-809-1, EINECS 204-809-1, UNII B9Y126NY8K, DTXSID7027041, RefChem:443020, NSC-5630, NSC 5630, CHEMBL2143891, MFCD00008942, LXOFYPKXCSULTL-UHFFFAOYSA-N, AI3-07159, HSDB 5612, TETRAMETHYL DECYNEDIOL [HSDB], 2,7,9-tetramethyl-5-decyne-4,7-diol, 2,4,7,9-tetramethyl-5-decyn-4,7-diol, 2,4,7,9-tetramethyl-5-decyne-4,7-diol (mix of (+/-) and meso), 2,4,7,2,4,7,9-tetramethyl-5-decyne-4,7-diol, 2,4,7,9-Tetramethyl-5-decyne-4,7-diol (mix of (±) and meso);2,4,7,9-Tetramethyl-5-decyne-4,7-diol, mixture of (§1) and meso, 98%;Acetylenol E 00;NSC 5630;Olfine AK 02;Olfine PD 301;Olfine STG-E;PD 30
Tetramethyldecyndiol (TMDD) contains two hydroxyl groups and one carbon–carbon triple bond within a branched hydrocarbon structure, giving it both hydrophilic and hydrophobic characteristics.
This amphiphilic nature allows it to position itself at liquid–air and liquid–solid interfaces where it modifies surface behavior.
Tetramethyldecyndiol (TMDD) makes it highly effective as a wetting and spreading agent.
Tetramethyldecyndiol (TMDD) can provide rapid dynamic surface tension reduction, meaning it lowers surface tension very quickly after a new surface is created.
Tetramethyldecyndiol (TMDD) property is particularly important in spraying, coating, and printing operations where surface formation occurs rapidly.
This makes it valuable in high-speed industrial processes.
Tetramethyldecyndiol (TMDD) is typically supplied as a solid, liquid, or formulated solution depending on grade and application requirements, and it is compatible with a wide range of water-based and solvent-based systems.
Its stability and performance make it suitable for demanding industrial environments.
Tetramethyldecyndiol (TMDD) makes it a versatile formulation additive.
Tetramethyldecyndiol (TMDD) is best described as a specialty acetylenic diol used to improve wetting, spreading, foam control, and surface performance in industrial formulations.
Its primary value lies in controlling interfacial properties rather than serving as an active chemical ingredient.
Tetramethyldecyndiol (TMDD) makes it an important tool in formulation science.
Tetramethyldecyndiol (TMDD) is a well-known acrylic adhesive.
It has amphiphilic characteristics.
Tetramethyldecyndiol (TMDD) is used a dopant in a heterojunction solar cell, it assists in the formation of a homogeneous interfacial layer over the photoactive layer.
Doping results in decreasing the absorption of photons in the underneath photoactive layer, thereby in enhancing the photocurrent density.
Tetramethyldecyndiol (TMDD) (C₁₄H₂₆O₂) is a specialty non-ionic surfactant and defoamer widely used in water-borne coatings, inks, and adhesives.
It possesses a unique acetylenic diol structure that reduces surface tension while preventing foaming.
Tetramethyldecyndiol (TMDD) is an antifoaming and wetting agent for water-borne coatings and inks.
Tetramethyldecyndiol (TMDD) is suitable for all water-borne coatings (ED-coatings, water-borne stoving enamels, water-borne house and wall paints) and inks.
Tetramethyldecyndiol (TMDD) belongs to a specialized group of surfactants known as acetylenic surfactants, which differ from conventional surfactants because they contain a carbon–carbon triple bond that contributes to their unique interfacial behavior.
This structural feature allows them to provide very rapid surface activity even at relatively low concentrations.
Tetramethyldecyndiol (TMDD) makes them highly effective in applications where fast wetting is required.
Tetramethyldecyndiol (TMDD) is its ability to reduce dynamic surface tension rather than only equilibrium surface tension, meaning it performs effectively during the first milliseconds or seconds after a new surface is formed.
Many industrial processes such as spraying, inkjet printing, and coating occur on these very short timescales.
Tetramethyldecyndiol (TMDD) particularly valuable in modern high-speed manufacturing technologies.
Tetramethyldecyndiol (TMDD) molecules orient themselves so that the hydrophobic hydrocarbon segments are directed away from water while the hydroxyl-containing regions remain associated with the aqueous phase, thereby lowering the energy required to create new surfaces.
This reduces resistance to spreading and improves surface coverage.
Tetramethyldecyndiol (TMDD) makes it an important interfacial modifier.
In coating formulations, TMDD can improve the wetting of low-energy substrates such as plastics, treated metals, and difficult-to-coat surfaces, where ordinary surfactants may not provide sufficient spreading performance.
Better wetting results in improved coating uniformity and stronger adhesion.
Tetramethyldecyndiol (TMDD) makes it valuable in advanced coating technologies.
Tetramethyldecyndiol (TMDD) is also known for providing foam control properties in many aqueous systems because it can reduce surface tension without generating the excessive foam often associated with traditional surfactants.
This helps maintain processing efficiency and reduces operational problems during mixing and application.
Tetramethyldecyndiol (TMDD) makes it useful in industrial production environments.
Tetramethyldecyndiol (TMDD) is often combined with other surfactants, polymers, pigments, and additives to achieve a balance between wetting, stability, appearance, and processing performance, depending on the final application requirements.
Its compatibility with diverse formulation components increases its versatility.
Tetramethyldecyndiol (TMDD) makes it a widely used specialty additive across multiple industries.
Tetramethyldecyndiol (TMDD) is particularly valued because it can reduce dynamic surface tension much more rapidly than many traditional surfactants, allowing liquids to spread efficiently over difficult surfaces before drying or curing occurs.
This rapid action improves coating uniformity and substrate coverage.
Tetramethyldecyndiol (TMDD) makes it highly effective in coating and printing technologies.
Its molecular structure provides a balance between hydrophobic hydrocarbon regions and hydrophilic hydroxyl groups, enabling efficient adsorption at interfaces where surface tension reduction is required.
The molecule naturally migrates to newly formed surfaces and modifies their behavior.
Tetramethyldecyndiol (TMDD) makes it important in interfacial chemistry.
Melting point: 42–44 °C (lit.)
Boiling point: 255 °C (lit.)
Density: 0.89 g/cm3
vapor pressure: 0.66 Pa (20 °C)
refractive index: 1.4560 (estimate)
Flash point: >230 °F
storage temp.: 2–8°C
solubility: Chloroform (slightly), Methanol (slightly)
form: solid
pKa: 12.92 ± 0.29 (Predicted)
color: white to off-white
Water Solubility: 1.7 g/L (20 °C)
BRN: 1724053
Hydrophilic-Lipophilic Balance (HLB): 4
Cosmetics Ingredients Functions: CLEANSING; SURFACTANT - CLEANSING
InChI: 1S/C14H26O2/c1-11(2)9-13(5,15)7-8-14(6,16)10-12(3)4/h11-12,15-16H,9-10H2,1-6H3
InChIKey: DCAZNTOSTOZBEI-UHFFFAOYSA-N
SMILES: CC(C)CC(C)(O)C#CC(C)(O)CC(C)C
LogP: 2.8 at 22℃
Tetramethyldecyndiol (TMDD) helps prevent surface defects such as cratering, pinholes, poor leveling, and incomplete wetting, which can otherwise reduce product quality and appearance.
By improving liquid flow and substrate coverage, it enhances coating performance.
Tetramethyldecyndiol (TMDD) makes it valuable in surface engineering.
Tetramethyldecyndiol (TMDD) also exhibits low-foam or defoaming characteristics in many formulations, unlike some conventional surfactants that generate excessive foam during mixing or application.
This property is particularly useful in industrial processing where foam can interfere with manufacturing efficiency.
Tetramethyldecyndiol (TMDD) makes it important in process optimization.
Tetramethyldecyndiol (TMDD) can improve spray droplet spreading and coverage on plant surfaces, increasing the effectiveness of pesticides, herbicides, and other crop protection products.
Improved wetting allows active ingredients to contact a larger surface area.
Tetramethyldecyndiol (TMDD) makes it useful in agricultural chemistry.
Tetramethyldecyndiol (TMDD) is often selected because it performs effectively at relatively low concentrations while remaining compatible with many polymers, pigments, and additives used in industrial systems.
This allows formulators to achieve performance improvements without major formulation changes.
Tetramethyldecyndiol (TMDD) makes it a highly efficient specialty additive.
Tetramethyldecyndiol (TMDD) is frequently described as a multifunctional surface-active molecule because it combines wetting, spreading, foam control, and formulation stabilization properties within a single additive, reducing the need for multiple separate surfactants in some formulations.
This multifunctionality simplifies formulation design and improves processing efficiency.
Tetramethyldecyndiol (TMDD) makes it attractive for complex industrial systems.
The carbon–carbon triple bond present in Tetramethyldecyndiol (TMDD) contributes to its unique molecular geometry and surface behavior, allowing it to adsorb rapidly at newly created interfaces and lower surface tension more efficiently than many conventional nonionic surfactants.
This rapid adsorption is especially important in processes where liquids contact surfaces for only a short period of time.
Tetramethyldecyndiol (TMDD) makes it valuable in dynamic application environments.
Tetramethyldecyndiol (TMDD) helps achieve uniform film formation by reducing differences in surface energy across the substrate, which minimizes coating defects caused by uneven wetting or localized dewetting phenomena.
This results in smoother and more visually consistent coating layers.
Tetramethyldecyndiol (TMDD) makes it important in high-quality finishing applications.
Tetramethyldecyndiol (TMDD) is often used in formulations designed for difficult substrates such as plastics, composite materials, treated metals, and low-surface-energy materials that are normally challenging to wet effectively with ordinary aqueous systems.
Improved wetting increases coating adhesion and surface coverage.
Tetramethyldecyndiol (TMDD) makes it useful in advanced materials processing.
Tetramethyldecyndiol (TMDD) can improve process reliability by enhancing liquid distribution while simultaneously reducing unwanted foam generation that may interfere with mixing, pumping, spraying, or coating operations.
The combination of these effects can improve productivity and reduce waste.
Tetramethyldecyndiol (TMDD) makes it beneficial in large-scale production environments.
Tetramethyldecyndiol (TMDD) is effective at relatively low concentrations compared with many traditional surfactants, allowing significant performance improvements without substantially changing viscosity, appearance, or other key formulation properties.
This efficiency helps maintain overall formulation balance.
Tetramethyldecyndiol (TMDD) makes it a cost-effective specialty additive.
Tetramethyldecyndiol (TMDD) is recognized in formulation chemistry as a dynamic wetting agent whose effectiveness is particularly pronounced during the earliest stages of liquid spreading, when rapid surface tension reduction is critical for achieving complete substrate coverage.
Many industrial processes occur within fractions of a second, making this rapid response highly valuable.
This makes Tetramethyldecyndiol (TMDD) especially useful in high-speed application technologies.
The molecule exhibits a carefully balanced hydrophilic–lipophilic character that allows it to function efficiently at interfaces without behaving like strongly foaming conventional surfactants, which often generate excessive bubbles during processing.
This balance improves both application quality and manufacturing efficiency.
Tetramethyldecyndiol (TMDD) makes it an effective low-foam surface-active additive.
Tetramethyldecyndiol (TMDD) can improve the wetting of contaminated, dusty, oily, or uneven substrates by helping liquid formulations spread more uniformly across surfaces with varying surface energies.
This reduces the likelihood of coating defects caused by incomplete coverage.
Tetramethyldecyndiol (TMDD) makes it important in real-world industrial environments where ideal surface conditions are not always achievable.
Tetramethyldecyndiol (TMDD) also contributes to film formation processes by promoting more even distribution of coating components such as pigments, binders, and additives throughout the drying phase, resulting in improved coating appearance and performance.
Uniform distribution helps minimize visual defects and property variations.
Tetramethyldecyndiol (TMDD) makes it valuable in advanced coating formulations.
In agricultural chemistry, the compound enhances droplet retention and spreading on waxy plant surfaces that naturally repel water-based formulations, improving contact between active ingredients and plant tissues.
Tetramethyldecyndiol (TMDD) can increase treatment efficiency and reduce losses caused by runoff.
Tetramethyldecyndiol (TMDD) makes it useful in crop protection technologies.
Tetramethyldecyndiol (TMDD) demonstrates excellent interfacial activity at relatively low dosage levels, allowing significant modification of surface behavior without substantially affecting bulk formulation properties such as viscosity or density.
This efficiency helps formulators maintain product performance while minimizing additive loading.
Tetramethyldecyndiol (TMDD) makes it a highly efficient specialty surfactant.
Uses:
Tetramethyldecyndiol (TMDD) is an acetylene glycol derivative used in water-based coatings and has both antifoaming and surfactant properties.
Tetramethyldecyndiol (TMDD) is highly toxic and have been found in acrylic adhesives used for food packaging multilayers manufacturing.
Tetramethyldecyndiol (TMDD) may be used to dope poly[9,9-bis(6′-(diethanolamino)hexyl)-fluorene],that acts as an interfacial layer in a heterojunction solar cell.
Tetramethyldecyndiol (TMDD) is used as a wetting agent, dynamic surface tension reducer, and surfactant additive because it improves liquid spreading and substrate coverage in a wide range of formulations.
It helps liquids rapidly wet surfaces that would otherwise be difficult to coat uniformly.
Tetramethyldecyndiol (TMDD) makes it a key additive in surface treatment technologies.
In coatings and paints, it is used to improve wetting, leveling, and defect prevention while enhancing coating uniformity and appearance.
It helps coatings spread smoothly over substrates and reduces surface imperfections.
Tetramethyldecyndiol (TMDD) makes it important in paint and coating manufacturing.
In printing inks, it is used to improve ink transfer, substrate wetting, and print quality, especially in high-speed printing processes where rapid surface tension reduction is required.
Tetramethyldecyndiol (TMDD) helps maintain consistent print performance.
This makes it valuable in printing technology.
In adhesives and sealants, it is used to enhance substrate contact and improve spreading behavior, ensuring more uniform application and better adhesion performance.
Tetramethyldecyndiol (TMDD) helps optimize the interaction between the formulation and the surface being bonded.
This makes it useful in adhesive engineering.
In agricultural products, it is used as a spray adjuvant and wetting aid for pesticides, herbicides, and other crop protection formulations.
Tetramethyldecyndiol (TMDD) improves droplet spreading and coverage on plant surfaces.
Tetramethyldecyndiol (TMDD) makes it important in agricultural application technology.
In industrial cleaning and specialty formulations, it is used to improve wetting efficiency while minimizing foam generation, allowing better contact between cleaning solutions and contaminated surfaces.
This enhances cleaning effectiveness and process efficiency.
Tetramethyldecyndiol (TMDD) makes it useful in industrial maintenance and cleaning chemistry.
Tetramethyldecyndiol (TMDD) is used as a high-performance wetting agent and dynamic surface tension reducer in industrial formulations where rapid spreading and surface coverage are required.
It improves contact between liquids and solid surfaces during application.
Tetramethyldecyndiol (TMDD) makes it a key additive in surface modification technologies.
In paints and coatings, it is used to improve wetting, leveling, substrate coverage, and defect prevention, helping create smooth and uniform coating films.
Tetramethyldecyndiol (TMDD) reduces surface imperfections such as craters and pinholes.
This makes it important in coating quality control.
In printing inks, it is used to enhance ink spreading and substrate wetting during high-speed printing operations, ensuring consistent print quality and color distribution.
Its rapid dynamic surface tension reduction is particularly beneficial in fast printing processes.
Tetramethyldecyndiol (TMDD) makes it valuable in modern printing technology.
In adhesives and sealants, it is used to improve spreading behavior and surface contact, which enhances adhesion performance and application consistency.
Tetramethyldecyndiol (TMDD) helps formulations interact more effectively with substrates.
This makes it useful in bonding technologies.
In agricultural formulations, it is used as a wetting aid and spray adjuvant for pesticides, herbicides, and foliar treatment products, improving droplet coverage on plant surfaces.
Better spreading increases the efficiency of active ingredient delivery.
Tetramethyldecyndiol (TMDD) makes it important in agricultural application science.
In industrial cleaners and specialty chemical products, it is used to increase surface contact and cleaning efficiency while minimizing foam formation, allowing better penetration into contaminated surfaces.
Tetramethyldecyndiol (TMDD) improves overall cleaning performance.
This makes it valuable in industrial maintenance chemistry.
Tetramethyldecyndiol (TMDD) is used as a specialty wetting and spreading additive in industrial formulations where rapid surface coverage and dynamic surface tension reduction are required.
Its performance is particularly important in fast-processing manufacturing operations.
Tetramethyldecyndiol (TMDD) makes it a key ingredient in advanced formulation technology.
In water-based and solvent-based coatings, it is used to improve film uniformity, substrate wetting, leveling performance, and defect reduction, helping coatings achieve smooth and durable finishes.
It supports both decorative and protective coating functions.
Tetramethyldecyndiol (TMDD) makes it important in coating engineering.
In inkjet and conventional printing systems, it is used to enhance droplet spreading and substrate interaction while maintaining print quality and consistency, particularly on challenging surfaces.
Its rapid action is beneficial in high-speed printing processes.
Tetramethyldecyndiol (TMDD) makes it valuable in graphic and packaging technologies.
In adhesive formulations, it is used to increase contact between the adhesive and substrate surfaces, improving application uniformity and bonding performance.
Better wetting often leads to stronger and more reliable adhesion.
Tetramethyldecyndiol (TMDD) makes it useful in adhesive manufacturing.
In agricultural spray products, it is used as a wetting aid and spray adjuvant that improves droplet distribution, leaf coverage, and active ingredient delivery efficiency on plant surfaces.
Tetramethyldecyndiol (TMDD) helps maximize the effectiveness of crop protection products.
Tetramethyldecyndiol (TMDD) makes it important in agricultural formulation science.
In specialty cleaning formulations, it is used to enhance surface penetration and cleaning efficiency while maintaining low foam characteristics, which is beneficial in automated and industrial cleaning systems.
Improved surface contact supports more effective contaminant removal.
Tetramethyldecyndiol (TMDD) makes it useful in industrial cleaning applications.
Tetramethyldecyndiol (TMDD) is used as a dynamic wetting agent, spreading additive, and surface tension modifier in formulations where rapid liquid coverage and efficient substrate interaction are required.
Its performance is particularly important in high-speed industrial processes.
Tetramethyldecyndiol (TMDD) makes it a key component in advanced formulation systems.
In coatings and paints, it is used to improve substrate wetting, leveling, film formation, and defect prevention, resulting in smoother and more durable coating surfaces.
It helps ensure uniform application across challenging substrates.
Tetramethyldecyndiol (TMDD) makes it important in coating manufacturing and application.
In printing technologies, it is used to enhance ink spreading, droplet control, and print quality on a variety of substrates, especially where rapid wetting is required for consistent image formation.
This supports reliable performance in high-speed printing operations.
Tetramethyldecyndiol (TMDD) makes it valuable in printing and packaging industries.
In adhesives and sealants, it is used to improve surface contact and spreading behavior, which can enhance bonding consistency and application performance.
Better wetting often leads to stronger and more uniform adhesion.
Tetramethyldecyndiol (TMDD) makes it useful in adhesive formulation technology.
In agricultural products, it is used as a spray adjuvant that improves droplet coverage, leaf wetting, and active ingredient distribution on plant surfaces, increasing the effectiveness of crop protection treatments.
Improved spreading helps maximize contact area and treatment efficiency.
Tetramethyldecyndiol (TMDD) makes it important in agricultural applications.
In specialty cleaners and industrial maintenance products, it is used to increase wetting efficiency and surface penetration while maintaining low-foam characteristics, allowing cleaning solutions to reach and remove contaminants more effectively.
This improves cleaning performance in both manual and automated systems.
Tetramethyldecyndiol (TMDD) makes it useful in industrial cleaning chemistry.
Safety Profile:
Tetramethyldecyndiol (TMDD) is generally considered a moderate-hazard industrial chemical, with risks primarily associated with irritation and occupational exposure rather than severe acute toxicity.
Its safety profile depends on concentration, formulation, and handling conditions.
Tetramethyldecyndiol (TMDD) makes standard industrial safety measures important.
Direct contact with TMDD may cause eye irritation and mild to moderate skin irritation, particularly when handling concentrated material.
Tetramethyldecyndiol (TMDD) exposure can increase the likelihood of discomfort or inflammation.
This makes protective gloves and eye protection advisable during use.
Inhalation of aerosols, mists, or vapors generated during processing may cause temporary respiratory tract irritation, especially in poorly ventilated environments.
Symptoms can include coughing, throat irritation, or respiratory discomfort.
Tetramethyldecyndiol (TMDD) makes ventilation important in industrial operations.
If swallowed in significant quantities, Tetramethyldecyndiol (TMDD) may cause gastrointestinal irritation including nausea, abdominal discomfort, or digestive upset, although it is not generally considered highly toxic by ingestion.
Medical attention is recommended in cases of significant exposure.
Tetramethyldecyndiol (TMDD) makes proper handling and storage important.
Environmental exposure should be minimized because large releases may affect aquatic organisms and alter water surface properties due to its surfactant activity.
Proper disposal and spill management procedures are recommended.
Tetramethyldecyndiol (TMDD) makes environmental control important in industrial applications.
Tetramethyldecyndiol (TMDD) is considered a specialty industrial chemical that can be handled safely with standard occupational precautions, including protective equipment, ventilation, and proper storage.
Its primary hazards involve irritation and environmental exposure rather than severe toxicity.
Tetramethyldecyndiol (TMDD) makes it manageable in regulated industrial environments.
