Diethylene glycol (DEG)

Buyers researching the current Diethylene Glycol (DEG) price are usually evaluating more than a single figure — they need consistent product quality, dependable supply volumes, complete technical documentation, and export support they can build a purchasing decision around. DEG is a versatile glycol used across natural gas processing, resin manufacturing, polyurethanes, and industrial solvent applications, making reliable sourcing just as important as competitive pricing.

Shobeir Shimi International Trade Co. LTD supplies high-purity Diethylene Glycol sourced from leading Iranian petrochemical producers, giving international buyers a direct route to quality-verified DEG for industrial and chemical manufacturing use. As a trading and export company — not a manufacturer — Shobeir Shimi works with established Iranian producers to secure stable supply and coordinate it through to global destinations.

DEG pricing fluctuates in response to several interconnected factors, including:

• Ethylene oxide feedstock costs, the upstream raw material from which DEG is derived
• Global glycol market conditions, including regional oversupply or shortages
• Supply and demand dynamics across resin, solvent, and gas-processing sectors
• Order volume, with larger shipments typically supporting more favorable terms
• Packaging type, since bulk, drum, and tanker shipments carry different cost structures
• Freight costs, which vary by shipping route, season, and vessel availability
• Destination market, including import duties and port handling requirements
• Currency fluctuations, which influence landed cost calculations for international buyers

Because these variables shift continuously, Shobeir Shimi does not publish fixed DEG prices. Buyers are encouraged to request a current quotation based on their specific order volume, packaging preference, and destination port, ensuring pricing reflects real, up-to-date market conditions.

Diethylene Glycol, with the chemical formula C₄H₁₀O₃ and a molecular weight of approximately 106.12 g/mol, is a glycol produced through the reaction and further condensation of ethylene oxide. It is chemically related to Monoethylene Glycol but consists of two ethylene glycol units linked by an ether bond, giving it distinct physical properties and a different range of industrial applications.

Physically, DEG appears as a clear, colorless, and essentially odorless liquid. It is completely miscible with water and demonstrates excellent solvency for a wide range of organic materials. Compared to MEG, DEG has a higher boiling point and lower volatility, meaning it evaporates more slowly and remains stable under higher-temperature processing conditions.

DEG is also notably hygroscopic, readily absorbing moisture from its surrounding environment. This property is central to its role in natural gas dehydration, where it is used as a liquid desiccant to strip water vapor from gas streams before transport.

Beyond dehydration, DEG functions as a chemical intermediate and solvent across several industries. Its combination of high boiling point, low volatility, strong solvency, and water miscibility makes it valuable in resin modification, polyurethane production, printing inks, adhesives, and various industrial fluid formulations — applications where MEG’s lower boiling point or higher volatility would be less suitable.

Industrial buyers rely on precise specifications to confirm that a glycol batch will perform consistently within their process. A resin producer, for example, needs tight control over MEG and TEG content, since these related glycols can influence polymer properties if present above acceptable thresholds. Gas processing operators, meanwhile, depend on verified water content and purity to ensure effective dehydration performance.

Shobeir Shimi supplies DEG with complete supporting documentation so buyers can confirm every relevant quality parameter before finalizing an order. Key specifications typically assessed include:

• Purity (wt%)
• Water content
• MEG content
• TEG content
• Acidity
• Ash content
• Color (Pt-Co scale)
• Specific gravity
• Distillation range

Full technical values are provided through Certificates of Analysis (COA) and Technical Data Sheets (TDS) accompanying each shipment, giving buyers a verifiable basis for quality assurance and process qualification.

Excellent Solvency

DEG is a strong solvent for resins, dyes, oils, nitrocellulose, and various printing ink components. This broad solvency profile makes it a valuable formulation ingredient across coatings, inks, and adhesive industries, where consistent dissolution behavior directly affects product performance and finish quality.

Hygroscopic Properties

DEG’s natural affinity for moisture underpins two of its most important industrial roles. In natural gas processing, this property allows it to absorb water vapor efficiently from gas streams. In humectant applications, the same moisture-attracting characteristic helps maintain desired moisture levels in products such as tobacco, adhesives, and certain textile treatments.

High Boiling Point and Low Volatility

With a boiling point of approximately 245°C, DEG remains stable across demanding thermal conditions and evaporates far more slowly than lower-boiling glycols. This makes it well suited to industrial fluids and processes where extended exposure to elevated temperatures would otherwise cause faster-evaporating solvents to break down or lose effectiveness.

Chemical Reactivity

As a reactive intermediate, DEG serves as a building block in the production of polyester resins, polyurethanes, and plasticizers. Its two hydroxyl groups allow it to participate in polymerization and esterification reactions, making it a functional component in numerous downstream chemical manufacturing processes.

Natural Gas Dehydration

DEG is widely used as a liquid desiccant in natural gas processing, absorbing water vapor from raw gas streams before transport. This dehydration step is critical for preventing hydrate formation within pipelines, which can otherwise restrict flow or damage infrastructure, making DEG an important protective agent in upstream and midstream gas operations.

Polyester Resin Manufacturing

In resin production, DEG is used to modify polymer chain structure, contributing to flexibility and processing characteristics in certain unsaturated polyester resin formulations. Its incorporation allows resin producers to fine-tune mechanical and thermal properties for specific end-use applications.

Polyurethane Production

DEG functions as a chain extender and chemical intermediate in polyurethane synthesis, contributing to the molecular structure of the resulting polymer. This makes it a relevant input for manufacturers producing polyurethane foams, coatings, and elastomers.

Industrial Solvents

DEG’s solvency profile supports its use across paints, coatings, dyes, printing inks, and resin formulations, where it helps dissolve active components and improve application properties such as flow and drying behavior.

Brake Fluids and Automotive Fluids

Due to its high boiling point and stable performance under thermal stress, DEG is used in certain automotive fluid formulations, including brake fluid components, where thermal stability and consistent viscosity are essential for safe operation.

Humectants and Moisture Control

DEG’s hygroscopic nature makes it useful as a humectant in tobacco processing, adhesive formulations, and textile conditioning, helping maintain target moisture levels throughout production and storage.

Buyers new to glycol sourcing often need clarity on how DEG differs from Monoethylene Glycol (MEG) in structure and application. While both are ethylene oxide derivatives, their molecular size and physical properties lead to distinctly different industrial roles.

Selecting the correct glycol depends entirely on the intended application. Buyers uncertain which grade fits their process are welcome to consult Shobeir Shimi’s technical team for guidance before placing an order.

Bulk Supply

Bulk shipment is the most cost-efficient option for large industrial consumers, particularly resin producers and gas processing operators requiring substantial ongoing volumes without the overhead of intermediate packaging.

220 kg Drums

New 220 kg drums offer a practical, easily handled format for buyers managing smaller or more controlled quantities, supporting straightforward warehouse storage and internal distribution.

Tanker Supply

Where applicable, tanker shipment supports high-volume industrial users seeking direct, large-scale delivery, reducing per-unit logistics costs for buyers with the receiving infrastructure to accommodate bulk liquid transport.

Proper storage safeguards both product quality and safe handling throughout the supply chain. Recommended practices include:

• Storing DEG in cool, dry areas away from direct sunlight and temperature extremes
• Protecting containers and tanks from moisture ingress, given DEG’s hygroscopic nature
• Using suitable tank materials such as stainless steel or properly lined carbon steel
• Avoiding contact with zinc, galvanized iron, copper, and copper alloys, which can react with glycols over time
• Applying nitrogen blanketing in storage systems where low moisture content must be strictly maintained

Following these handling practices helps preserve product specifications from the point of shipment through to end use.

Export of Diethylene Glycol from Iran

Shobeir Shimi manages the full export process for international DEG buyers, coordinating sourcing from Iranian petrochemical producers through to shipment and delivery. This includes preparing accurate export documentation, liaising with freight partners, and supporting customs clearance requirements at the destination port.

Standard documentation accompanying DEG shipments includes:

• Certificate of Analysis (COA)
• Technical Data Sheet (TDS)
• Safety Data Sheet (SDS)
• Commercial Invoice
• Packing List
• Certificate of Origin

This documentation provides buyers with the verification and traceability needed to confirm product quality and meet import requirements in their home market.

Why Buy Iranian Diethylene Glycol?

Iran’s petrochemical sector includes established producers with significant glycol production capacity, giving international buyers a meaningful sourcing option outside traditional supply regions. Key advantages include:

• Access to reliable petrochemical producers with proven production track records
• Competitive pricing shaped by regional feedstock economics
• Regional supply advantages, particularly for buyers in the Middle East, South Asia, and CIS markets
• Stable sourcing options supported by established production infrastructure
• Suitable quality for resin, gas processing, and industrial solvent applications when properly verified

These factors make Iranian DEG a practical component of a diversified glycol sourcing strategy.

Why Choose Shobeir Shimi as Your DEG Supplier?

Shobeir Shimi operates strictly as a trading and export partner, focused on connecting international buyers with dependable Iranian DEG supply. Core service advantages include:

• Reliable sourcing from established Iranian petrochemical producers, including Shazand and Marun Petrochemical Companies
• Export experience across multiple international markets
• Flexible supply options, from bulk to drums and tanker shipment
• Technical documentation provided with every shipment for quality verification
• Fast quotation turnaround reflecting current market pricing
• Logistics coordination from origin through to destination port
• Long-term business relationships built on consistent supply performance rather than one-time transactions

FAQ: Diethylene Glycol (DEG)

1. What is Diethylene Glycol used for? DEG is used in natural gas dehydration, polyester resin manufacturing, polyurethane production, industrial solvents, printing inks, adhesives, brake fluids, and humectant applications.
2. What is the purity of your DEG? The DEG supplied by Shobeir Shimi has a minimum purity of 99.8 wt%, with MEG, TEG, and water content each capped at 0.05 wt% maximum.
3. What is the difference between DEG and MEG? DEG has a higher boiling point, lower volatility, and higher viscosity than MEG, and is primarily used in gas dehydration, resins, and polyurethanes, while MEG is mainly used in PET resin, polyester fiber, and antifreeze production.
4. Can DEG be used for natural gas dehydration? Yes. DEG’s hygroscopic properties make it an effective liquid desiccant for absorbing water vapor and preventing hydrate formation in gas processing and pipeline systems.
5. What packaging options are available for DEG? DEG is available in bulk, 220 kg new drums, and tanker shipment where applicable, allowing buyers to choose the format that best fits their volume and logistics requirements.
6. Do you export DEG from Iran? Yes. Shobeir Shimi exports DEG sourced from leading Iranian petrochemical producers, coordinating full documentation and logistics for international shipments.
7. Can you provide COA and TDS documents? Yes. Certificates of Analysis and Technical Data Sheets are provided along with Safety Data Sheets, commercial invoices, packing lists, and certificates of origin for each shipment.

Conclusion

Diethylene Glycol remains a versatile and essential industrial glycol, supporting natural gas dehydration, resin manufacturing, polyurethane production, and a broad range of solvent and humectant applications. Buyers depend on consistent purity and reliable supply to keep these processes running without disruption.

Shobeir Shimi International Trade Co. LTD supplies high-purity Diethylene Glycol sourced from leading Iranian petrochemical producers, backed by flexible packaging options, complete export documentation, and responsive technical support for buyers worldwide.

Contact Shobeir Shimi today to receive the latest Diethylene Glycol (DEG) quotation based on your quantity, packaging, and destination requirements.