1,3-Dimethyl-2-imidazolidinone

Description

1. Product Overview
1,3-Dimethyl-2-imidazolidinone (DMI) is a high-purity, polar aprotic solvent engineered for demanding organic synthesis and high-performance material processing. Its primary industrial use lies in agrochemical manufacturing, electronics cleaning, and advanced polymer reactions where thermal stability and solvating power are critical. The key value proposition is exceptional chemical resistance (hydrolytic & thermal) coupled with low toxicity relative to traditional alternatives like NMP or DMF. As regulatory pressure against HAPs (Hazardous Air Pollutants) intensifies globally, DMI is strategically positioned as the future-proof solvent for compliant, high-yield industrial chemistry.

2. Key Specifications & Technical Characteristics

• Chemical composition: 1,3-Dimethyl-2-imidazolidinone (CAS No. 80-73-9)

• Purity grade: ≥99.5% (GC assay) / High-purity electronics grade also available

• Physical characteristics:

  • Appearance: Clear, colorless liquid

  • Melting point: 8°C

  • Boiling point: 225–227°C

  • Density: ~1.056 g/mL at 20°C

  • Viscosity: Low, excellent wetting properties

  • Water content: ≤0.1% (Karl Fischer)

• Packaging options: 200 kg HDPE drums, 1,000 kg IBC totes, bulk ISO tank containers

• Shelf life: 24 months when stored in original sealed container under dry, ambient conditions

3. Core Industrial Applications

• Agrochemical synthesis: Key solvent for manufacturing systemic fungicides and herbicides (e.g., strobilurin derivatives). Outperforms DMF and NMP in reaction yield by 12–18% due to superior polar aprotic character without nucleophilic side reactions.

• Electronics & semiconductor cleaning: Precision cleaning of photoresist residues and flux removal. Advantages: non-corrosive to aluminum/copper traces, low residue after rinse, and compatible with closed-loop recovery systems.

• Polymer & high-performance materials: Reaction medium for polyimide, polysulfone, and polyether ether ketone (PEEK) synthesis. Provides higher thermal stability (decomposition >240°C) vs. DMSO or DMF, enabling higher processing temperatures without degradation.

• Pharmaceutical intermediates: Used in peptide coupling and nucleophilic substitution reactions. Cost advantage: higher recyclability rate (>90% recovery via distillation) reduces net solvent cost per batch.

4. Competitive Advantages

• Quality consistency: ISO 9001:2025 certified production with SPC (Statistical Process Control); each lot includes Certificate of Analysis (CoA) and residual solvent profile.

• Supply reliability: Dual-source manufacturing (Asia & EU) with buffer stock warehoused in Rotterdam, Houston, and Shanghai. Typical lead time: 10–14 days.

• Logistics capability: UN class 9 hazardous logistics network; temperature-controlled options available.

• Price competitiveness: Tier-1 pricing at 15–20% below incumbent suppliers on annual contracts ≥100 MT, achieved via continuous distillation process optimization.

• Sustainability: REACH and TSCA compliant; zero HAP classification facilitates lower environmental compliance costs for buyers. Full life-cycle assessment (LCA) data available upon request.

• Technical support: On-call process engineering team for solvent substitution trials, recovery system design, and waste minimization audits.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 metric tons (MT)

• Loading capacity: 20 MT per standard 20-foot ISO tank container (net weight) – equivalent to 18.9 cubic meters, utilizing 98% of container volumetric efficiency