Description

Ect CAS NO 13373-97-2 is a high-purity chemical compound, also known as 1,3-Dimethyl-2-imidazolidinone (DMI), valued for its exceptional solvency and high boiling point. This versatile, aprotic polar solvent is critical for processes requiring a stable medium with low toxicity and excellent thermal stability. It is an essential material for the pharmaceutical, agrochemical, and specialty polymer industries, where it facilitates synthesis, acts as a reaction medium, and serves as a formulation component.

Application

• Pharmaceutical Synthesis: Used as a high-boiling, polar aprotic solvent for APIs, peptide coupling reactions, and as a crystallization medium.
• Agrochemical Formulations: Serves as a key solvent and carrier in pesticides, herbicides, and fungicides due to its excellent solvency and compatibility.
• Polymer & Resin Production: Acts as a reaction solvent for polyimides, epoxy resins, and other high-performance polymers.
• Electronics & Photoresists: Employed in the manufacturing of printed circuit boards and semiconductor photoresists as a stripping and cleaning agent.
• Surface Coatings & Inks: Functions as a coalescing agent and solvent in high-quality paints, coatings, and inkjet inks to enhance film formation and stability.
• Chemical Intermediate: Utilized in the synthesis of various specialty chemicals, including dyes and pigments.
• Gas Treatment & Purification: Applied as a physical solvent for the selective removal of acid gases like CO2 and H2S in natural gas processing.

Basic Information

Product Name	Ect
CAS No.	13373-97-2
Molecular Formula	C5H10N2O
Molecular Weight	114.15 g/mol
Synonyms	1,3-Dimethyl-2-imidazolidinone; DMI; N,N'-Dimethylethyleneurea; 1,3-Dimethylimidazolidin-2-one; 1,3-Dimethyltetrahydro-2(1H)-pyrimidinone; Solvent DMI; Jeffsol® DMI; High-boiling polar solvent
EINECS	236-439-1

Quality Control

Our Ect (DMI) is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, water content, and impurity profiles. The product meets relevant industry standards for use in demanding applications. Specific grades, including technical and high-purity pharmaceutical grades, are available to suit your process requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0 %
Water Content (KF)	≤ 0.1 %
Color (APHA)	≤ 50
Density (20°C)	1.055 - 1.065 g/cm³
Refractive Index (20°C)	1.468 - 1.472
Boiling Point	~ 225 °C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.