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HS Code |
581662 |
| Chemicalname | Diethanolamine |
| Casnumber | 111-42-2 |
| Molecularformula | C4H11NO2 |
| Molecularweight | 105.14 g/mol |
| Appearance | Colorless to pale yellow, viscous liquid |
| Odor | Ammonia-like |
| Density | 1.09 g/cm³ at 20°C |
| Boilingpoint | 268.8°C |
| Meltingpoint | 28°C |
| Solubilityinwater | Completely miscible |
| Ph | 11 (aqueous solution) |
| Vaporpressure | 0.03 mmHg at 25°C |
As an accredited Diethanolamine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: Diethanolamine with 99% purity is used in gas sweetening applications, where it efficiently removes acidic gases such as hydrogen sulfide and carbon dioxide. Viscosity grade: Diethanolamine of medium viscosity grade is used in cutting fluid formulations, where it improves metalworking lubrication and tool life. Aqueous solution 50%: Diethanolamine in 50% aqueous solution is used in textile finishing, where it provides excellent antistatic and softening properties. Molecular weight 105.14 g/mol: Diethanolamine with a molecular weight of 105.14 g/mol is used in surfactant synthesis for detergents, where it enhances foam stability and cleaning efficacy. Melting point 28°C: Diethanolamine with a melting point of 28°C is used in pharmaceutical intermediates manufacturing, where it ensures consistent compound formation under controlled conditions. Stability temperature 120°C: Diethanolamine stable up to 120°C is used in corrosion inhibitor formulations, where it maintains structural integrity and prolongs equipment lifespan. Free amine content <0.5%: Diethanolamine with free amine content less than 0.5% is used in cosmetics emulsifiers, where it minimizes skin irritation and ensures product safety. Water solubility: Diethanolamine with high water solubility is used in agricultural herbicide blends, where it enables uniform distribution and enhanced weed control. |
| Packing | Diethanolamine is packaged in a 200-liter blue HDPE drum, tightly sealed with hazard labeling and clear chemical identification markings. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Diethanolamine: Typically loaded in 220 kg drums, totaling around 80 drums, net weight about 17.6 metric tons. |
| Shipping | Diethanolamine is typically shipped in steel drums, plastic containers, or bulk tanks. It should be kept tightly sealed, protected from moisture and incompatible materials, and stored in a cool, well-ventilated area. During transport, proper labeling and documentation are essential, following regulations such as DOT, IMDG, or IATA for hazardous chemicals. |
| Storage | Diethanolamine should be stored in a cool, dry, and well-ventilated area away from sources of ignition and incompatible materials, such as acids and oxidizers. Keep containers tightly closed, labeled, and protected from physical damage. Use corrosion-resistant containers, preferably made of stainless steel or polyethylene. Avoid contact with moisture, as diethanolamine is hygroscopic. Follow all relevant safety guidelines and regulations. |
| Shelf Life | Diethanolamine typically has a shelf life of 2 years when stored in tightly sealed containers under cool, dry, and well-ventilated conditions. |
Competitive Diethanolamine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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Working day in and day out in the chemical manufacturing sector, choices matter. Equipment, ingredient sourcing, process adjustments — these things tie directly into quality. Having handled diethanolamine through many production runs, our history with this product gives us a solid view on what it brings to the table. Customers want more than a spec sheet: they want to know what makes this amine stand out, how it compares to options like monoethanolamine or triethanolamine, and why they see steady results with it batch after batch.
Our main model centers around high-purity, industrial-use diethanolamine, produced by the direct reaction of ethylene oxide and ammonia under carefully monitored conditions. Typical assay reaches above 99% by weight, with water, monoethanolamine, and triethanolamine held well within standardized limits for both purity and application consistency. Every lot passes through chromatographic analysis. Our plant staff spend time sampling, retesting, and logging by hand and instrumentation to ensure tight lot-to-lot reliability.
Physical characteristics hold steady: Clear, viscous liquid at room temperature, mild ammonia-like odor, miscible with water and alcohols. These facts might look like trivial details, but inside a process plant, predictability matters. Each barrel looks and behaves the same, whether we’re shipping to a regional detergent blend facility or filling drums for a transshipment to a specialty surfactant producer.
Through our own experience, diethanolamine often functions as a building block. In our customer calls, technical managers want amines with established track records — something that responds well in corrosion inhibitors, textile processing, surfactants for cleaning liquids, and gas treatment operations. Years of feedback have shown the compound's dual hydroxyl and amine groups offer good reactivity and solubility in formulations. These molecular features contribute to efficient neutralization and emulsification, making it a popular choice for both powder and liquid blends.
Plants that operate alkanol amine units for natural gas “sweetening” select diethanolamine vessels precisely because they can control H2S and CO2 removal with less foaming and moderate operating loads. Formulators in cosmetics and personal care production look for an ingredient that boosts foam and improves body in shampoos and bubble baths while keeping ingredients solubilized. Veterinarians and agricultural suppliers often look for chemical precursors, and diethanolamine acts as an intermediate for herbicide raw materials and fungicides, especially in glyphosate manufacturing.
We've seen HVAC maintenance teams order our amine specifically for coolant and hydraulic fluids, pointing out that it regulates pH over extended cycles and prolongs metal protection. The response is practical: After switching to this base, they find less scaling and cleaner heat exchangers with lower replacement costs over annual maintenance runs.
Customers often ask about the difference between diethanolamine and its close relatives. From production floormen to chemical engineers, many appreciate the ability to compare options side by side. Over years of supplying all three amines, our observations offer clarity to the conversation.
Monoethanolamine (MEA) features a single ethanol group. In use, it exhibits higher volatility and easier reaction with acids, suitable for applications where rapid neutralization and faster vapor phase distribution is required, such as specialty gas cleaning or rubber vulcanization. Production usually sees MEA required in small-batch blends demanding higher basicity but less bulk.
Triethanolamine (TEA), by contrast, has three ethanol groups and is thicker, less volatile, and slightly less basic. It performs well where water solubility and viscosity in thick liquid blends is a must — such as concrete admixtures, textile lubricants, and some detergent concentrate formulas. Over the years, we've shipped TEA drums destined for high-alkaline cleaning blends where mild base action and improved surfactancy is prioritized.
Diethanolamine sits between these: two ethanol groups confer solid solubility and moderate viscosity. It pairs strong basic character with lower volatility than MEA, but more manageable fluidity than TEA. This makes diethanolamine a workhorse for processes requiring performance in both water-rich and oil-rich systems — such as two-phase extraction, mixed solvent cleaning, and as a tailored intermediate for ethoxylation or fatty acid-based derivatives.
From a manufacturing perspective, we’ve found the best indicator is not just molecular structure but feedback from end users. Cleaning product manufacturers relay that the balance diethanolamine offers — enhanced foam, pH control, manageable viscosity — lets them fine-tune formulation properties for cost savings and shelf-life improvement. Mechanical contractors have relayed back that they get the rust and chemical resistance needed for metals in harsh field conditions, without the handling volatility risk sometimes seen in MEA.
Running a chemical plant means facing real-life unpredictables: temperature swings, supply interruptions, unexpected raw material oddities. Still, established protocols keep outcomes tight. We invested in dedicated polymer-lined vessels, closed circuit monitoring, and continuous distillation systems that separate out minor amine impurities at each stage. Each production cycle starts with a detailed quality review — our analysts catch variances before they can affect the final product, and our lot numbers trace back every bag, tank, and raw ingredient involved.
We do not offload generic imports onto our customers. Houses using our products have commented that the residual content of mono- or triethanolamine consistently runs under 0.5%. Our teams log each batch’s reactivity, color, and pH in solution, ensuring results do not just meet, but exceed normal specification checklists. This has paid off particularly for clients in the electronics or coatings sector, where unforeseen trace contaminants can spell equipment downtime or lost yield.
We often receive calls from client safety teams about compliance and incident prevention. Product stewardship starts at our plant with controls for air emissions, worker exposure, protective gear requirements, and emergency protocols. Our senior plant managers have worked through regulatory inspections and in-house safety audits, keeping workplace exposure below threshold limits and running continuous training for all plant staff.
Handling diethanolamine, we emphasize correct procedures: Use splash-resistant gloves, chemical goggles, and monitor for long-term inhalation or skin contact. For customers, this is not just about ticking a compliance box. We share practical instructions for engineering controls, correct storage containers, and spill response. Many of our customers have integrated these guidelines into their chemical hygiene plans and found lower incident rates and improved insurance compliance.
Our engagement with the market is ongoing. Over years, we've listened closely to industrial partners and R&D personnel working in areas like:
Sourcing direct from a manufacturer translates into tangible operational advantages. Customers running multi-shift, continuous process lines appreciate that each incoming railcar or ISO tank holds product with reliable assay, physical properties, and documentation. They can focus resources on scale-up and end-use innovation instead of routine troubleshooting or reformulating around variable-grade chemicals.
Recent shifts in global regulation, transportation, and energy markets have not left us untouched. Energy-efficient process upgrades, closed-loop utilities, and vertical integration with key olefin suppliers grant us insulation from the most volatile input disruptions. For customers, this means steadier pricing, firm supply mapping, and an open relationship from contract to delivery. Pulp manufacturers, for example, have told us they’ve maintained full plant uptime across global slowdowns thanks to our planning.
At the plant level, the push for sustainability is real and ongoing. We operate solvent recovery lines, minimize discharge, and recycle process water wherever possible. R&D projects focus on reducing energy consumption in batch distillation, investing in real-time sensors that cut fuel use across reaction and condensation stages. Customers in Europe and North America ask us directly about LCA results, product carbon intensity, and compliance with frameworks like REACH and local toxics management rules.
Our production reports reflect actual reductions in CO2 emissions per metric ton over the past five years. These improvements derive from plant-level upgrades, such as increased heat exchanger efficiency and renewable power contracts. We’re often asked to share this data with corporate procurement teams or for scope 3 emission reporting. Our experience shows that this level of transparency smooths tender discussions and supports long-term relationships with sustainability-conscious partners.
Not every application fits a mold, and clients regularly approach us with processing questions. Over the last decade, we’ve worked with detergent makers who needed to increase the amine’s buffering strength or reduce by-product color drift. Together, we tested reblending strategies and introduced trace additive purification to tighten color spec even at doubled output rates. Such solutions come from direct manufacturing control — traders and resellers just can’t offer the same plant-level flexibility or collaboration.
For gas processing units, engineers have shared system data with us for cycle cost modeling. We discovered that with minor pH adjustments and better feed vapor control, amine life between change-outs extended by over 20%. In metalworking fluid plants, routine field service visits identified filter blockages from old drum residues. We adjusted drum liners and introduced tighter QC on water content, cutting downtime and service calls.
Customers benefit from a partnership model rather than transactional sales. Plant-to-plant relationships ensure we understand evolving needs and production hurdles in real time. This hands-on approach to issue resolution keeps formulation targets aligned with changing demand and technology standards. Our production data tracks real outcomes, such as improved batch yields, reduced maintenance costs, and less troubleshooting downtime across process industries.
Quality assurance does not stop once drums leave our gate. Each shipment of diethanolamine is paired with a full suite of analytical reports — pH, color, water content, assay — alongside batch trace codes linked to raw material origin, date, and process operators involved. We maintain open records accessible to auditors and customer teams on request. For major accounts, we even facilitate third-party sample checks, demonstrating our willingness to stand by every claim.
In instances where deviation arises, our technical staff respond immediately, reviewing lot data, investigating root causes, and delivering on replacement or corrective action without dodging responsibility. Continuous feedback loops from these incidents have fed improvements in how we clean lines, monitor storage, and schedule preventive maintenance for reactors and packaging equipment.
Navigating regional and global compliance requirements has emerged as a full-time responsibility. Our team dedicates resources to documentation, certification, and data transparency, supporting customer audits for quality management systems, food-contact regulations, and environmental hazard declarations. We participate in voluntary chemical management initiatives and always provide dossier updates as regulatory frameworks evolve.
Over the last several years, we have adapted to new data requirements covering residual nitrosamines, allergen labeling, and stricter logistics regulations. In response to customer requests, we can supply specific toxicology and biodegradation data as well as tailored safety documentation for country-specific filings.
Building chemicals that serve thousands of end products is not a static task. Test runs, customer feedback, regulatory changes, and unexpected market swings each demand real-time adaptation. As a true manufacturer, our long-term focus stays on reliable outputs, documented purity, and direct support. Other vendors may promise comparable grades or short-term price breaks, but the peace of mind our clients enjoy stems from steady supply, consistent product, and openness from technical staff to executive management.
For teams who run large-scale processing, want predictable results, and expect lasting supplier engagement, our diethanolamine offering reflects decades of manufacturing wisdom, technical rigor, and sector-wide support.