The Synthesis and Applications of 1,3-Dimethylurea

1,3-Dimethylurea (chemical formula C3H8N2O, CAS number 96 31 1) is a versatile organic compound widely used in pharmaceutical synthesis, agrochemical production, and industrial manufacturing—valued for its high reactivity, low toxicity, and stable chemical properties. As a key intermediate in fine chemical processes, it serves as a building block for diverse end products, from crop-protection agents to pharmaceutical APIs. Shijiazhuang Kunxiangda Technology Co., Ltd., established in 2011 and a professional manufacturer of pharmaceutical intermediates and chemical raw materials, specializes in high-purity 1,3-dimethylurea (96 31 1). With a 50-acre factory in Shijiazhuang’s Economic and Technological Development Zone and a team of 9 technical experts, Kunxiangda ensures consistent quality through advanced synthesis and purification processes, making it a trusted partner for wholesalers supplying industrial and pharmaceutical sectors across global markets. For wholesalers, partnering with Kunxiangda means accessing not only premium C3H8N2O products but also actionable insights into synthesis optimization and application-specific use cases—backed by technical expertise and scalable bulk supply capabilities.

Core Synthesis Methods of 1,3-Dimethylurea (96 31 1)

✦ Urea-Methanol Amination Process: The most industrialized synthesis route for 1,3-dimethylurea  involves the reaction of urea with methylamine in methanol solvent, under moderate temperature (80–100°C) and pressure (1–2 MPa). This method yields high purity (≥99%) C3H8N2O with minimal byproducts, making it cost-effective for bulk production. Kunxiangda’s optimized process uses a proprietary catalyst to improve reaction efficiency, reducing methylamine consumption by 15% compared to traditional methods. A wholesaler supplying agrochemical manufacturers reported that Kunxiangda’s 1,3-dimethylurea (96 31 1) reduced production costs by 20% due to its high yield and low impurity content.

✦ Dimethyl Carbonate-Ammonia Route: For eco-friendly production needs, Kunxiangda offers a green synthesis alternative using dimethyl carbonate and ammonia, which eliminates toxic byproducts (e.g., formaldehyde) associated with other routes. This method aligns with global sustainability trends and produces 1,3-dimethylurea with purity ≥99.5%, suitable for pharmaceutical applications. The company’s 50-acre facility is equipped with dedicated reactors for this process, supporting large-scale bulk supply. A wholesaler serving pharmaceutical OEMs noted that this green synthesis route simplified regulatory compliance, as the product met FDA’s “environmentally preferable” standards.

Industrial Applications of 1,3-Dimethylurea (C3H8N2O)

Technical Characteristics of 1,3-Dimethylurea (96 31 1)

✧ Chemical Stability & Compatibility: 1,3-Dimethylurea (96 31 1) exhibits excellent stability under standard storage conditions, with a melting point of 102–104°C and boiling point of 268°C—ensuring it remains stable during industrial processing. It is highly soluble in water, ethanol, and acetone, making it compatible with diverse reaction systems. Unlike similar urea derivatives, it does not decompose at temperatures below 150°C, reducing process risks for manufacturers. Kunxiangda’s technical team provides detailed compatibility charts for wholesalers, outlining safe mixing practices with other industrial chemicals. A wholesaler supplying polymer manufacturers reported that Kunxiangda’s C3H8N2O improved process safety, reducing thermal decomposition incidents by 35%.

✧ Purity-Driven Performance: The performance of 1,3-dimethylurea in industrial applications is highly dependent on purity—impurities like monomethylurea or urea can reduce reaction yields and product quality. Kunxiangda’s purification process (including recrystallization and vacuum distillation) ensures 1,3-dimethylurea (96 31 1) meets strict purity standards, with impurity levels ≤0.5% for industrial grade and ≤0.1% for pharmaceutical grade. A wholesaler serving specialty chemical clients noted that this high purity improved reaction yield consistency by 40%, reducing raw material waste.

Kunxiangda’s Solutions for 1,3-Dimethylurea (C3H8N2O) Supply

✦ Scalable Bulk Production Capabilities: Kunxiangda’s automated production lines support annual output of 1,3-dimethylurea (96 31 1) exceeding 3,000 metric tons, enabling wholesalers to meet fluctuating industrial demand—from small-batch specialty orders to large-scale industrial contracts. The company’s strict quality control system (ISO 9001 certified) ensures consistent purity and performance across all batches. A wholesaler supplying global chemical distributors reported that Kunxiangda’s bulk supply flexibility reduced stockout incidents by 30%, improving client satisfaction.

✦ Technical Support for Wholesalers: Beyond product supply, Kunxiangda’s team of 9 technical experts provides personalized support to wholesalers—including synthesis process optimization, application testing, and troubleshooting. For 1,3-dimethylurea users, this includes guidance on reaction conditions, storage best practices, and regulatory compliance documentation (e.g., REACH, FDA filings). The company also offers custom purification services for clients with unique purity requirements. A wholesaler serving pharmaceutical intermediates distributors noted that this technical collaboration led to 25% higher repeat orders, as clients valued the tailored solutions.

1,3-Dimethylurea FAQS

What Is the Typical Purity Grade of 1,3-Dimethylurea (96 31 1)?

Kunxiangda offers 1,3-dimethylurea (96 31 1) in three grades: industrial grade (≥99.0% purity for agrochemicals and resins), pharmaceutical grade (≥99.5% for drug synthesis), and ultra-pure grade (≥99.9% for electronic and precision applications). All grades meet the chemical formula C3H8N2O specifications, with batch-specific certificates of analysis (CoA) provided for verification. A wholesaler supplying semiconductor materials clients reported that Kunxiangda’s ultra-pure 1,3-dimethylurea met strict electronic industry standards, with zero rejects during quality audits.

How Does Kunxiangda Ensure Stability of 1,3-Dimethylurea During Bulk Shipping?

Kunxiangda packages 1,3-dimethylurea (96 31 1) in moisture-proof, heat-sealed HDPE bags or fiber drums (25kg/50kg) with desiccant packs to prevent moisture absorption and caking. For international bulk shipments, the company uses ISO tank containers with temperature control (15–25°C) to maintain product stability. Each batch is tested for moisture content (<0.5%) and particle size distribution before dispatch, ensuring it arrives in optimal condition. A wholesaler supplying Southeast Asian clients noted that Kunxiangda’s packaging reduced product degradation during transit by 50%, minimizing returns.

Can 1,3-Dimethylurea Be Used in Food-Grade Applications?

While 1,3-dimethylurea (96 31 1) is primarily used in industrial and pharmaceutical applications, Kunxiangda offers a food-contact grade (≥99.5% purity, FDA compliant) for specific uses like food packaging additives (e.g., resin modifiers). This grade undergoes additional purification to remove heavy metals and volatile impurities, ensuring compliance with food safety regulations. A wholesaler supplying food packaging manufacturers reported that Kunxiangda’s food-grade C3H8N2O simplified regulatory approval, cutting time-to-market for clients by 20%.

What Storage Conditions Are Required for 1,3-Dimethylurea (96 31 1)?

1,3-dimethylurea (96 31 1) should be stored in a cool, dry, well-ventilated warehouse at temperatures below 30°C, away from direct sunlight and moisture. It should be kept separate from strong acids, bases, and oxidizing agents to avoid chemical reactions. Kunxiangda recommends using the product within 12 months of delivery for optimal performance. A wholesaler supplying long-term storage facilities noted that following these guidelines maintained product purity at ≥98.5% for 18 months, extending shelf life beyond industry averages.

What Bulk Packaging Options Does Kunxiangda Offer for 1,3-Dimethylurea?

Kunxiangda provides flexible bulk packaging for 1,3-dimethylurea (96 31 1): 25kg HDPE bags (for small-batch orders), 50kg fiber drums (for medium-volume supply), and 1000L IBC totes (for industrial-scale processing). For international shipments, ISO tank containers (24,000kg net weight) are available, reducing shipping costs by 25% compared to drummed shipments. All packaging includes tamper-evident seals, batch labeling, and safety data sheets (SDS) for compliance. A wholesaler supplying global pharmaceutical intermediates reported that the IBC tote option improved logistics efficiency, cutting delivery lead times by 15%.