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Premium N-Methyldiethanolamine & Refining Additives

High-purity MDEA (CAS 105-59-9), desulfurizers, corrosion inhibitors, demulsifiers, and specialty refining additives manufactured by Zibo Special Chemicals Production Co., Ltd. Trusted by over 2000 customers globally.

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About Zibo Special Chemicals

Zibo Special Chemicals Production Co., Ltd. is located in Qilu Chemical Industry Park, Linzi District, Zibo City, Shandong Province, adjacent to Qilu Petrochemical Shengli Refinery. Founded in 2001 as a collective enterprise of Shengli Oil Refinery of Qilu Petrochemical Company, it was restructured into a limited liability company in 2004.

The company specializes in the production of refining auxiliary series products, including N-methyldiethanolamine (MDEA), compound desulfurizers, decarburization agents, water-soluble and oil-soluble corrosion inhibitors, crude oil demulsifiers, metal passivators, defoaming agents, antiscale agents, antistatic agents, antiwear agents, cetane number improvers, and neutralizer chemicals.

2001
Founded
2000+
Customers Served
185+
Employees
MDEA Chemical Sample

Our Product Range

We manufacture over 150 specialty chemical products for the oil & gas, petrochemical, refining, and industrial sectors. All products meet international quality standards with consistent purity and performance.

N-methyldiethanolamine MDEA

N-Methyldiethanolamine (MDEA)

CAS 105-59-9 | Colorless to light yellow liquid | Refractive Index: 1.469 (20°C) | Density: 1.030–1.050 g/cm³ | Boiling Point: 247.2°C

  • Used in gas sweetening and CO₂/H₂S removal
  • High absorption efficiency and thermal stability
  • Miscible with water and alcohol
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Crude Oil Demulsifier

Crude Oil Demulsifier

Amber liquid | High-efficiency oil-water separation | Oil-soluble formulation

  • Enhances dehydration in crude oil processing
  • Effective in high-salinity and high-temperature environments
  • Reduces emulsion stability and improves refining efficiency
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Water Soluble Corrosion Inhibitor

Water Soluble Corrosion Inhibitor

Colorless to light yellow | High inhibition rate | Low dosage requirement

  • Protects galvanized steel and carbon steel
  • Used in refining, pipelines, and storage tanks
  • Compound 9899 formulation for superior protection
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Cetane Number Improver

Cetane Number Improver

Colorless or light yellow transparent liquid | For diesel fuel | 200L barrel packaging

  • Improves ignition quality and combustion efficiency
  • Reduces engine noise and emissions
  • Compatible with ultra-low sulfur diesel (ULSD)
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Water Soluble Decarburization Agent

Water Soluble Decarburization Agent

Colorless to light yellow liquid | Used in refining and gas processing

  • Removes carbon deposits from equipment
  • Improves heat transfer and operational efficiency
  • Environmentally safe and biodegradable formulation
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Antiscale Agent

Antiscale Agent

Density: 0.85–1.05 g/cm³ | One-year shelf life | Prevents mineral deposition

  • Used in boilers, heat exchangers, and pipelines
  • Inhibits calcium, magnesium, and iron scale formation
  • Extends equipment life and reduces maintenance costs
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Metal Passivator

FCC Metal Passivator

Effective against nickel and vanadium | No corrosion | For fluid catalytic cracking

  • Reduces catalyst deactivation
  • Improves product yield and quality
  • Non-corrosive and thermally stable
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Defoaming Agent

Defoaming Agent

High-efficiency foam control | For refining and chemical processing

  • Rapid foam suppression and long-term stability
  • Compatible with aqueous and oily systems
  • Prevents overflow and improves process efficiency
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Why Choose MDEA Chemical?

Quality Assured

Strict quality control from raw materials to finished products ensures consistent purity and performance.

Global Supply

Serving over 2000 customers worldwide with reliable logistics and export documentation.

Technical Support

Expert team available for formulation advice, application guidance, and troubleshooting.

Custom Solutions

Tailored formulations and packaging options to meet specific industrial requirements.

150+
Products
2000+
Customers
50+
Countries
24/7
Support

Frequently Asked Questions

What is MDEA used for?

N-Methyldiethanolamine (MDEA) is primarily used for gas sweetening to remove acidic gases like CO₂ and H₂S from natural gas, refinery gases, and syngas. It is valued for its high selectivity, low energy regeneration, and thermal stability.

Is MDEA safe to handle?

MDEA is corrosive and should be handled with proper PPE including gloves, goggles, and ventilation. It is miscible with water and alcohol and has a flash point of 126.7°C. Always refer to the SDS for safe handling procedures.

Do you offer samples?

Yes, we provide product samples upon request. Please contact us through the official website to request a sample with your specifications and shipping details.

What packaging options are available?

We offer packaging in 200L iron drums, IBC totes (1000L), and bulk tankers. Custom packaging is available based on customer requirements and regulations.

Get in Touch

For quotes, samples, or technical inquiries, visit our official website to connect with our team.

Visit Official Website

Zibo Special Chemicals Production Co., Ltd.

Email: zbkmk@163.com

Phone: 86-0533-7851777

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