The Hypernucleophilic Acylation Catalyst for Pharmaceutical Synthesis, Peptide Chemistry, and Fine Chemical Manufacturing: 4-Dimethylaminopyridine (DMAP, CAS# 1122-58-3)

4-Dimethylaminopyridine (CAS# 1122-58-3), commonly known as DMAP, 4-(dimethylamino)pyridine, or N,N-dimethylpyridin-4-amine, is a pyridine derivative with the molecular formula C₇H₁₀N₂ and a molecular weight of 122.17 g/mol. Its molecular structure consists of a pyridine ring bearing a dimethylamino substituent at the 4-position, which dramatically enhances its basicity and nucleophilicity through resonance stabilization. The compound appears as yellow to tan crystals with a melting point of 108–113°C and a boiling point of 162°C. DMAP is soluble in methanol, benzene, ethyl acetate, chloroform, dichloromethane, acetone, and acetic acid, while being less soluble in ether, cyclohexane, hexane, and water.

DMAP is widely recognized as a hypernucleophilic acylation catalyst, with a catalytic activity approximately 10⁴ to 10⁶ times greater than pyridine. Its unique electronic structure—combining strong basicity with exceptional nucleophilicity—enables it to catalyze a broad range of acyl transfer reactions that are otherwise sluggish or impossible with conventional catalysts. This exceptional reactivity, coupled with its versatility and reliability, has made DMAP an indispensable tool in organic synthesis, pharmaceutical manufacturing, peptide chemistry, agrochemical development, and materials science. Based on its chemical characteristics and industrial significance, this article systematically analyzes the key properties, core application areas, global market structure, regional dynamics, regulatory landscape, and future outlook of this strategically important nucleophilic catalyst.

Core Application Fields and Demand

Market demand for 4-dimethylaminopyridine (CAS# 1122-58-3) is concentrated in three primary sectors: pharmaceutical synthesis and API manufacturing (approximately 40–45% of global consumption), peptide synthesis and fine chemical production (approximately 30–35%), and agrochemical, dye, and materials science applications (approximately 20–25%). Its exceptional catalytic efficiency and versatility serve as the core drivers of sustained demand growth across all sectors.

In pharmaceutical synthesis and API manufacturing, DMAP is a highly potent catalyst extensively used in pharmaceutical chemistry for acylation and alkylation reactions. The compound dramatically accelerates the synthesis of various esters, amides, and lactone compounds, making it indispensable in the production of active pharmaceutical ingredients (APIs). DMAP is specifically utilized as an intermediate in the pharmaceutical industry for the synthesis of Zidovudine, Abacavir, and Lamivudine (anti-HIV treatment drugs), as well as Alfentanil (an opioid analgesic). The compound also plays a critical role in the acylation of sterically hindered secondary and tertiary alcohols, as well as phenols, using carboxylic anhydrides or acyl chlorides—transformations that are essential in the synthesis of complex drug molecules. In the synthesis of steroids, DMAP enables efficient formylation and acylation of tertiary hydroxyl groups, facilitating the production of highly active progestational agents. Additionally, DMAP serves as an essential catalyst in the Steglich esterification—a mild and efficient method for the formation of esters from carboxylic acids and alcohols using carbodiimides—which is widely employed in pharmaceutical intermediate synthesis. For peptide synthesis applications, DMAP is supplied as Novabiochem® grade, underscoring its importance in this specialized field.

In peptide synthesis and fine chemical production, DMAP is a powerful and versatile catalyst widely employed in peptide synthesis contexts. It is particularly valuable for the acylation of amines and the protection of amino groups during peptide chain assembly. The compound’s exceptional ability to resolve the failure of conventional pyridine-based protocols with sterically hindered or electronically deactivated substrates makes it indispensable for complex peptide synthesis. In natural product chemistry, DMAP has been successfully employed for the acetylation of tertiary hydroxyl groups in amino sugars and for acylations of terpenes and acetylenes containing secondary and tertiary hydroxyl groups. The compound also enables the quantitative determination of hydroxyl groups in alcohols and phenols using acetic anhydride/DMAP as a reagent.

In agrochemical, dye, and materials science applications, DMAP is extensively used in the synthesis of pesticides, dyes, and fragrances. Its high catalytic efficiency in acylation, alkylation, and etherification reactions provides significant yield improvements in these applications. In materials science, recent research has demonstrated that incorporating DMAP as a counterion into ionic comb polymers enables effective toughening while maintaining a homogeneous nanostructure, opening new avenues for advanced polymer applications.

In other organic transformations, DMAP efficiently catalyzes the Morita-Baylis-Hillman reaction between salicylaldehyde and acrylonitrile to synthesize 3-cyano-2H-chromanes—valuable intermediates in medicinal chemistry research. The compound is also employed in the Baylis-Hillman reaction, hydrosilylations, tritylation, the Steglich rearrangement, Staudinger synthesis of β-lactams, the Dakin-West reaction, and protection of amines.

Major Market Participants

The global supply system for 4-dimethylaminopyridine (CAS# 1122-58-3) features a pattern of “specialized fine chemical manufacturers, multinational chemical distributors, and Chinese producers dominating large-scale production.” The market is characterized by moderate barriers to entry, with key players leveraging established manufacturing capabilities and distribution networks.

In the global research and high-purity segment, key international suppliers include Sigma-Aldrich (Merck) , offering the compound at ≥99% purity; Tokyo Chemical Industry (TCI) , providing >99% purity; Toronto Research Chemicals (TRC) , supplying research-grade material; Thermo Fisher Scientific (Acros Organics) ; Aladdin Scientific ; Jubilant Ingrevia ; and BenchChem . These suppliers serve the pharmaceutical, biotechnology, and academic research communities with products that meet rigorous quality specifications, typically at 95–99% purity.

In the industrial and large-scale production segment, Chinese manufacturers have emerged as a dominant force in the global supply chain. Key players include Hunan Spark Science (capacity: 200 tons/year), Jiangsu B-Win, Yangzhou Feiyang, KOEI CHEMICAL, and Henan Qianqiu (capacity: 600 tons/year). Other significant Chinese manufacturers include Xiangshui Henryda Tech Chemical, Quzhou Mingfeng Chemical, Wuhu New Koren Pharmaceutical, DYBH Chem, Time Chem, and Anhui Wotu Chemical. Numerous additional suppliers operate in major chemical manufacturing regions including Shandong, Hubei, Zhejiang, and Henan provinces. XinChem is a reliable manufacturer and supplier of high-purity 4-dimethylaminopyridine from China, offering the compound with stringent quality standards for use in pharmaceutical synthesis, peptide chemistry, and fine chemical applications.

Regional Market Dynamics

The global 4-dimethylaminopyridine market exhibits distinct regional characteristics, with production concentrated in Asia-Pacific (particularly China) and consumption distributed across North America, Europe, and the Asia-Pacific region, aligned with the pharmaceutical, biotechnology, and fine chemical industries in these regions. According to industry reports, the global market for DMAP is experiencing steady growth driven by increasing demand in pharmaceutical synthesis and fine chemical manufacturing.

The Asia-Pacific region has emerged as the dominant force in the global DMAP market, accounting for the largest share of both production and consumption. China serves as the world’s manufacturing hub, with extensive production capacities and integrated supply chains. The rapid growth of the pharmaceutical, agrochemical, and fine chemical industries in China, India, Japan, and South Korea continues to drive regional consumption growth. Chinese manufacturers, including XinChem, offer the compound at various purity grades and competitive pricing, serving both domestic and export markets.

North America remains a key market for high-purity and pharmaceutical-grade DMAP, driven by demand from the pharmaceutical industry, biotechnology companies, and academic research institutions. The United States hosts numerous research organizations, pharmaceutical companies, and contract research organizations that require high-quality catalysts for drug discovery and API manufacturing. Sigma-Aldrich, Thermo Fisher Scientific, and other major distributors serve the North American market with extensive distribution networks. The region’s well-established regulatory framework and emphasis on product quality support demand for high-grade research chemicals and pharmaceutical intermediates.

Europe is characterized by stringent regulatory requirements and a strong focus on quality and sustainability in pharmaceutical and chemical research. European pharmaceutical companies, peptide synthesis laboratories, and research institutions demand high-purity DMAP with comprehensive documentation. TCI and other distributors serve the European market with in-stock availability.

Japan represents a specialized market where DMAP is supplied by Tokyo Chemical Industry and other distributors for pharmaceutical research, peptide synthesis, and fine chemical applications.

Regulatory and Safety Considerations

As a widely used chemical catalyst, pharmaceutical intermediate, and research chemical, 4-dimethylaminopyridine (CAS# 1122-58-3) is subject to regulatory oversight in major global economies. Compliance with relevant regulations is essential for market access and trade.

In the United States, DMAP is regulated under the OSHA Hazard Communication Standard (29 CFR 1910.1200) and is classified as hazardous. The compound is not subject to SARA Title III Section 302 or 313 reporting requirements. For pharmaceutical and research applications, DMAP is intended for laboratory and industrial use only and is not approved for food, drug, pesticide, or biocidal product use.

In the European Union, DMAP must comply with REACH registration requirements and CLP classification under Regulation (EC) No 1272/2008 for import and use. The compound has an ECHA InfoCard number of 100.013.049. The compound is classified as toxic to aquatic life with long-lasting effects.

GHS classification and handling: DMAP is classified with the signal word “Danger” . Hazard statements include H310 (Fatal in contact with skin), H315 (Causes skin irritation), H318 (Causes serious eye damage), H370 (Causes damage to organs), H301 (Toxic if swallowed), and H331 (Toxic if inhaled). Precautionary statements include wearing protective gloves, protective clothing, eye protection, and face protection; using only outdoors or in a well-ventilated area; and storing locked up. The compound is considered hazardous according to US OSHA standards.

Transport information: DMAP is classified as a dangerous good for international transport. Proper packaging, labeling, and documentation are required for shipping in compliance with the International Maritime Dangerous Goods Code (IMDG Code) and other transport regulations. The compound is typically shipped in sealed containers at ambient temperature with appropriate hazardous material handling.

Environmental considerations: DMAP is toxic to aquatic life with long-lasting effects. Manufacturers increasingly focus on developing sustainable production methods and waste treatment systems to minimize environmental impact.

Future Outlook

The market outlook for 4-dimethylaminopyridine is positive, supported by several key growth drivers across its major application segments. While DMAP remains a relatively specialized catalyst, its exceptional versatility and essential role in pharmaceutical synthesis, peptide chemistry, and fine chemical manufacturing position it for steady growth in the coming years.

Key growth drivers include:

1. Expansion of the pharmaceutical synthesis market: The growing global demand for APIs and pharmaceutical intermediates—driven by increasing healthcare expenditure, aging populations, and the development of new therapeutics—sustains demand for high-purity DMAP as an essential catalyst in drug manufacturing.
2. Growth in peptide therapeutics: The rapidly expanding global market for peptide drugs—projected to exceed USD 50 billion by 2030—drives demand for DMAP as a catalyst in peptide synthesis and amino acid protection reactions.
3. Increasing demand for fine chemicals: The growing production of agrochemicals, dyes, fragrances, and specialty chemicals supports steady demand for DMAP in acylation, alkylation, and etherification reactions.
4. Expansion of contract research and manufacturing organizations (CROs/CDMOs): Increasing outsourcing of pharmaceutical R&D and manufacturing to CROs and CDMOs drives demand for high-quality catalysts and reagents.
5. Innovation in materials science: Emerging applications of DMAP in polymer chemistry and advanced materials create new opportunities for growth.

Challenges and considerations:

• Regulatory compliance: Increasingly stringent chemical and pharmaceutical regulations may require ongoing investment in quality systems and documentation.
• Hazardous material handling: DMAP’s classification as toxic and hazardous requires specialized handling, packaging, and shipping procedures that may increase costs.
• Competition from alternative catalysts: The market faces competition from other nucleophilic catalysts and alternative synthetic methodologies.
• Price volatility: Fluctuations in raw material prices and supply chain disruptions may impact production costs.

To succeed in this evolving market landscape, suppliers must focus on product quality (particularly purity and batch-to-batch consistency), supply chain reliability, regulatory compliance, and responsive customer service. Companies that can offer high-purity products, flexible packaging options, and technical support for pharmaceutical, peptide, and fine chemical applications will be well-positioned to capture growing demand.

Shanghai XinChem Co., Ltd. (XinChem)

As a world-leading supplier of organic chemicals and pharmaceutical intermediates, Shanghai XinChem Co., Ltd. (XinChem) is dedicated to meeting the innovative needs of the pharmaceutical, biotechnology, peptide synthesis, and fine chemical industries. Leveraging extensive experience and advanced manufacturing capabilities, XinChem provides high-quality 4-Dimethylaminopyridine (DMAP, CAS# 1122-58-3) to customers worldwide. As a trusted manufacturer and supplier based in China, XinChem combines competitive pricing, reliable supply, and exceptional service to establish itself as a preferred partner for research institutions, pharmaceutical companies, peptide synthesis laboratories, and fine chemical manufacturers seeking this versatile hypernucleophilic acylation catalyst.

1. Technical Advantages

Advanced Synthesis and Purification Processes
XinChem utilizes state-of-the-art manufacturing facilities and rigorous quality control measures to ensure the purity, consistency, and safety of its DMAP products. The production process incorporates established synthetic routes—including the two-step procedure from pyridine via oxidation to 4-pyridylpyridinium cation followed by reaction with dimethylamine—enabling the delivery of products with purity ≥99% to meet diverse application requirements. Strict process control ensures consistent product quality, minimal impurities, and batch-to-batch reproducibility, providing customers with reliable performance in pharmaceutical synthesis, peptide chemistry, and fine chemical applications.

Full-Chain Quality Control
The production process strictly adheres to international quality standards, with comprehensive quality control covering raw material sourcing, in-process monitoring, and finished product testing. Each batch is accompanied by a detailed Certificate of Analysis (COA) documenting physical and chemical properties, purity data (HPLC/GC), melting point, and impurity profiles. This commitment to quality ensures that XinChem’s DMAP meets the stringent requirements of pharmaceutical R&D, peptide synthesis, and fine chemical applications.

2. Product Advantages

High Purity and Consistent Quality
XinChem offers 4-dimethylaminopyridine with purity ≥99% (HPLC/GC), ensuring optimal performance in pharmaceutical synthesis, peptide chemistry, and fine chemical applications. The product’s high purity minimizes the risk of unwanted side reactions and impurities, making it suitable for demanding applications in drug discovery, API manufacturing, and peptide synthesis.

Comprehensive Specifications
Key specifications include:

• Molecular Formula: C₇H₁₀N₂
• Molecular Weight: 122.17 g/mol
• CAS Number: 1122-58-3
• EINECS Number: 214-353-5
• Synonyms: DMAP, 4-(Dimethylamino)pyridine, N,N-Dimethylpyridin-4-amine
• MDL Number: MFCD00006418
• Appearance: Yellow to tan crystalline powder
• Purity: ≥99% (HPLC/GC)
• Melting Point: 108–113°C
• Solubility: Soluble in methanol, benzene, ethyl acetate, chloroform, dichloromethane, acetone, and acetic acid; less soluble in ether and water
• Storage: Room temperature, cool and dark place, sealed, dry

Flexible Packaging Solutions
XinChem provides a range of packaging options to accommodate diverse customer needs, from laboratory-scale quantities (grams) to industrial-scale packaging (kilograms) and bulk shipments. Customized packaging solutions are available upon request, ensuring safe handling, storage, and transportation.

3. Application Fields

As a versatile hypernucleophilic acylation catalyst, 4-Dimethylaminopyridine (CAS# 1122-58-3) exhibits wide application value across multiple industries:

Pharmaceutical Synthesis and API Manufacturing:

• Key catalyst for acylation and alkylation reactions in API synthesis
• Essential for the synthesis of anti-HIV drugs (Zidovudine, Abacavir, Lamivudine)
• Intermediate for opioid analgesics (Alfentanil)
• Catalyst for Steglich esterification in pharmaceutical intermediate synthesis
• Acylation of sterically hindered alcohols, phenols, and amines

Peptide Synthesis:

• Powerful catalyst for peptide synthesis and amino acid protection
• Acylation of amines and protection of amino groups
• Essential for peptide chain assembly protocols

Fine Chemical Manufacturing:

• Synthesis of agrochemicals, dyes, and fragrances
• Acylation, alkylation, and etherification reactions
• Quantitative determination of hydroxyl groups

Organic Synthesis:

• Morita-Baylis-Hillman reaction
• Baylis-Hillman reaction, hydrosilylations, tritylation
• Steglich rearrangement, Staudinger synthesis of β-lactams
• Dakin-West reaction, protection of amines

Materials Science:

• Polymer modification and toughening applications
• Advanced materials development

4. Service Support

Technical Expertise and Customized Solutions
XinChem’s team of experienced chemists and application engineers provides full technical support throughout the customer journey—from product selection and specification development to application guidance and troubleshooting. Whether customers require optimization of acylation reaction conditions, guidance on catalytic applications, or assistance with regulatory documentation, XinChem’s technical experts are ready to help. Custom synthesis and contract manufacturing with flexible scaling from R&D to commercial quantities are available upon request.

Global Logistics and Reliable Supply
With established supply chains serving markets across Europe, North America, Asia-Pacific, and beyond, XinChem ensures timely delivery and consistent product availability. The company’s logistics team manages all aspects of international shipping, including compliance with dangerous goods transport regulations, customs clearance, and documentation.

Regulatory Support
XinChem provides comprehensive documentation to support regulatory compliance, including Safety Data Sheets (SDS), Certificates of Analysis (COA), and other required certificates. The company stays current with evolving regulatory requirements in major markets, including REACH, TSCA, OSHA, and other regional regulations, helping customers navigate the complexities of global trade.

5. Reasons to Choose XinChem

• Professionalism: Extensive experience and deep expertise in catalyst synthesis and supply.
• Quality: Rigorous quality control, high purity (≥99%), and adherence to international standards.
• Reliability: Stable supply, competitive pricing, and timely delivery.
• Flexibility: Customized solutions to meet diverse customer needs, including custom synthesis and packaging.
• Service: Responsive technical support and comprehensive documentation.

Contact us today to start your partnership with XinChem!

Website: www.xinchem.com

Email: sales1@xinchem.com

WhatsApp: +86 18049800532