Tri-octyl/decylamines TDA C8-10 trialkylamines CAS 68814-95-9

Tree Chem tri-octyl/decylamines CAS 68814-95-9 are manufactured under controlled processes to ensure reliable purity and stable color for customers who wish to purchase high-quality trialkylamines for fine chemicals, oilfield additives, flotation reagents, and industrial synthesis. This product is a colorless to pale-yellow oily liquid with good solubility in organic solvents.

In downstream applications, Tree Chem supports customized supply solutions, including technical assistance, impurity-controlled production, and consistent delivery for long-term users. For quotations or technical inquiries, please contact info@cntreechem.com.

Specification

Basic Information

Technical Specification

Applications

Pharmaceutical Industry

• Tri-n-octyl/decylamine serves as a versatile intermediate and processing aid in pharmaceutical manufacturing, functioning mainly as a phase-transfer catalyst and an auxiliary emulsifier. In multi-phase reaction systems used for synthesizing cardiovascular, antiviral, and antibiotic intermediates, its long-chain tertiary-amine structure enhances mass transfer, increases reaction selectivity, and improves overall synthesis efficiency. These characteristics make it suitable for reactions involving nucleophilic substitution or condensation where hydrophobic reagents require efficient migration between phases.
• Tri-n-octyl/decylamine also contributes to dosage-form preparation as a functional excipient, offering wetting, suspending, and emulsifying capability for formulations containing poorly soluble actives. In liquid-dosage and suspension systems, the tertiary amine improves dispersion uniformity and reduces particle aggregation, supporting stable drug delivery. Its quaternary-ammonium derivatives further extend its pharmaceutical relevance by providing broad-spectrum antimicrobial activity suitable for disinfectants and equipment-sanitization solutions.

Agrochemical Industry

• The agrochemical sector incorporates tri-n-octyl/decylamine as an emulsifier and synergistic component in herbicide and insecticide formulations. In herbicide emulsions such as glyphosate or acetochlor systems, it contributes to stable oil-in-water structures, enhancing spreading behavior and field persistence. The tertiary-amine skeleton assists in reducing interfacial tension, maintaining formulation homogeneity during storage, and improving active-ingredient penetration on plant surfaces.
• As an adjuvant and co-formulant, tri-n-octyl/decylamine works with nonionic and aromatic-ether surfactants to build high-efficiency emulsification matrices. In insecticide formulations, particularly for pyrethroid types, it functions as a metabolic-inhibition synergist by interfering with detoxification pathways in pests, thereby increasing insecticidal efficacy. These combined effects make it a valuable component for modern, high-performance agricultural formulations.

Surfactant Industry

• Tri-n-octyl/decylamine is an essential precursor for synthesizing cationic, nonionic, and amphoteric surfactants. In cationic surfactant manufacture, it undergoes alkylation to form quaternary ammonium salts that exhibit strong bactericidal, antistatic, and softening properties. These derivatives are widely used in cleaning agents, textile finishing, and industrial disinfection, benefiting from the tertiary-amine backbone that delivers excellent hydrophobic interaction and surface affinity.
• In nonionic surfactant production, reaction with ethylene oxide yields polyoxyethylene tertiary amines with tunable HLB values suitable for detergents, personal-care products, and industrial cleaners. These molecules achieve strong emulsifying and dispersing performance across varied pH environments. Tri-n-octyl/decylamine is further used for betaine-type and imidazoline-type amphoteric surfactants, enabling stable performance in acidic and alkaline conditions and supporting complex formulations such as shampoos, agrochemical emulsions, and metal-working cleaners.

Metalworking and Corrosion Control

• In metal-processing fluids, tri-n-octyl/decylamine functions as a corrosion inhibitor, pH regulator, lubricity enhancer, and auxiliary emulsifier. In fully synthetic cutting-fluid systems, it improves ferrous-metal passivation while supporting alkalinity control alongside triethanolamine, reducing wear and enhancing cooling efficiency. Its presence also aids lubricity by lowering friction between tools and workpieces, contributing to extended tool life and smoother machining performance.
• Semi-synthetic metalworking fluids incorporate tri-n-octyl/decylamine as both an emulsifier and a corrosion inhibitor, where it promotes stable oil-in-water emulsions and forms protective films on steel surfaces. It participates in rust-preventive formulations through formation of amine salts and amide derivatives with organic acids, strengthening long-term oxidation resistance. The tertiary-amine framework also provides useful buffering capability in acid-pickling inhibitor systems, mitigating metal loss during acid treatment.

Petrochemical and Oilfield Applications

• Tri-n-octyl/decylamine appears widely in petrochemical processing as an emulsifier, corrosion inhibitor, and stabilizing component. In oilfield acidizing systems, it forms part of high-temperature corrosion-inhibitor blends that maintain protective film integrity under strong-acid and high-salinity conditions. Its hydrophobic tertiary-amine structure supports adsorption on metal surfaces, delivering effective suppression of corrosion in HCl and CO₂ environments.
• In drilling-fluid additives, tri-n-octyl/decylamine enhances lubrication and filtrate-control performance by stabilizing dispersed phases in complex mud systems. It is also used in tertiary-oil-recovery surfactant packages to improve crude-oil mobilization efficiency. Within petroleum-product additives, the amine assists in enhancing rust resistance and washing performance in fuels and lubricants, thereby improving storage stability and equipment cleanliness.

Rubber and Polymer Industry

• Tri-n-octyl/decylamine serves as a vulcanization promoter and a precursor for antioxidant intermediates. In vulcanization systems for natural and synthetic rubber, it accelerates cross-link formation and enhances mechanical strength by improving dispersion of sulfur and zinc-based activators. Its use enables faster curing and better thermal stability across a variety of rubber grades.
• The amine also participates in the synthesis of specialized rubber antioxidants and aging-resistant additives. In formulations where processing fluidity and scorch resistance are required, derivatives of tri-n-octyl/decylamine contribute to reduced compound viscosity and improved resistance to premature curing. These advantages support consistent processing in extrusion, molding, and high-temperature applications.

Textile and Leather Processing

• Tri-n-octyl/decylamine derivatives—particularly quaternary ammonium salts—are valuable in textile processing as antistatic agents and softeners. These molecules reduce surface resistivity and prevent static buildup in synthetic fibers, improving handling performance during spinning, weaving, and finishing. Their durable softness and compatibility with other finishing agents make them suitable for high-performance textile treatment.
• In dyeing and finishing operations, tertiary-amine derivatives act as leveling and wetting agents that promote uniform dye dispersion. For leather treatment, amide-based derivatives enhance softness and impart improved water resistance, supporting high-quality finishing. The amine’s versatile reactivity also allows for integration into durable water-repellent formulations used in advanced textile coatings.

Electronics and High-Tech Applications

• Tri-n-octyl/decylamine plays an emerging role in electronics manufacturing. As an intermediate for liquid-crystal materials, it contributes to molecular-alignment control and phase-stability tuning in TN, STN, and TFT-LCD display systems. In electronic-component cleaning formulations, the tertiary amine works as a mild but effective degreasing agent, capable of removing residues without damaging metal surfaces.
• It also acts as an additive in photoresist formulations, where small quantities function as quenchers to control acid diffusion during lithography. In high-purity applications relevant to semiconductor processes, tri-n-octyl/decylamine supports controlled surface modification, dispersion stabilization, and impurity-level reduction across advanced material-processing steps.

Other Industrial Uses

• Tri-n-octyl/decylamine is widely employed as an extractant for cobalt–nickel separation, uranium recovery, rare-earth purification, and heavy-metal removal from industrial wastewater. In hydrometallurgical systems, it forms stable complexes with metal anions, enabling selective transfer between aqueous and organic phases. This capability supports high-yield extraction in cobalt, nickel, tungsten, molybdenum, and rare-earth processing operations.
• The amine additionally appears in fertilizers as an anti-caking agent, preventing crystal bridging and moisture-induced clumping. It serves as a collector in mineral flotation for ores such as copper, zinc, and lead, improving froth stability and separation efficiency. In pigment dispersion and polyurethane-catalysis applications, tri-n-octyl/decylamine enhances dispersion uniformity and reaction control, enabling consistent performance in coatings, plastics, and composite materials.

Storage & Handling

• Store in tightly sealed containers.
• Keep away from heat, sparks, and direct sunlight.
• Avoid contact with strong oxidizers or acids.
• Ensure containers and equipment are clean and dry.
• Use grounding to prevent static discharge.

Usage Notice

• Avoid inhalation or skin contact; use protective equipment.
• Ensure proper ventilation during handling.
• Prevent contamination with moisture or impurities that may affect performance.
• Pharmaceutical disinfectant formulation uses quaternized tri-n-octyl/decylamine at 0.1–0.5% to provide broad-spectrum sterilization for medical equipment.
• Antibiotic-intermediate synthesis employs tri-n-octyl/decylamine as a phase-transfer catalyst to improve conversion and selectivity in multistep reactions.
• Glyphosate herbicide emulsions incorporate 5–15% tri-n-octyl/decylamine to stabilize oil-in-water phases and enhance field persistence.
• Acetochlor herbicide formulations use tri-n-octyl/decylamine with aromatic ethoxylates to improve dispersion and spreading performance.
• Cationic surfactant production uses tri-n-octyl/decylamine with alkyl halides to generate quaternary ammonium salts for antistatic and bactericidal applications.
• Nonionic surfactant synthesis reacts tri-n-octyl/decylamine with ethylene oxide to obtain polyoxyethylene amines for detergent and industrial-cleaner formulations.
• Cutting-fluid formulations include 1–3% tri-n-octyl/decylamine to enhance alkalinity control, lubrication, and corrosion protection.
• Semi-synthetic metalworking fluids incorporate 2–5% tri-n-octyl/decylamine to stabilize emulsions and reinforce rust-prevention capacity.
• Composite rust-preventive oils combine tri-n-octyl/decylamine with barium sulfonate and benzotriazole to form durable protective films on steel surfaces.
• Oilfield acidizing inhibitors use 15–25% tri-n-octyl/decylamine to maintain corrosion-resistant barriers under strong-acid conditions.
• Rubber vulcanization systems apply tri-n-octyl/decylamine as an accelerator to increase cross-linking speed and curing efficiency.
• Textile antistatic finishes utilize quaternized tri-n-octyl/decylamine to reduce surface resistivity and improve fiber handling.
• Lithium-battery electrolytes incorporate 0.1–2% tri-n-octyl/decylamine to enhance ionic conductivity and stabilize charge–discharge cycling.
• Mineral-flotation formulations use 5–15% tri-n-octyl/decylamine to increase selective adsorption and improve ore-recovery efficiency.
• Fertilizer anti-caking agents include tri-n-octyl/decylamine to prevent moisture-induced agglomeration during storage.

Packaging

• 160 kg iron drum
• Other packaging sizes available upon request.