Description

Sep 367 CAS NO 30321-79-0 is a high-purity chemical compound, also known as 1,3-Dimethyl-2-imidazolidinone (DMI), valued for its exceptional solvency and stability. This versatile, aprotic polar solvent is critical for processes requiring high thermal stability and low reactivity. It is essential for manufacturers in the pharmaceutical, agrochemical, electronics, and specialty polymer industries seeking a reliable and high-performance reaction medium.

Application

• Pharmaceutical Synthesis: An ideal solvent and reaction medium for APIs, peptide coupling, and other sensitive organic syntheses due to its high boiling point and inertness.
• Agrochemical Formulation: Used as a key solvent in the production of pesticides, herbicides, and fungicides for enhanced stability and efficacy.
• Polymer & Resin Production: Serves as a process solvent for polyimides, polyamides, and other high-performance polymers, particularly in fiber and film applications.
• Electronics Manufacturing: Employed in photoresist stripping and as a cleaning agent for precision electronic components due to its purity and non-corrosive nature.
• Gas Treatment & Purification: Acts as an absorbent for acid gases like CO2 and H2S in natural gas sweetening and other industrial gas streams.
• Chemical Intermediates: Functions as a precursor and solvent in the synthesis of various specialty chemicals and dyes.

Basic Information

Product Name	Sep 367
CAS No.	30321-79-0
Molecular Formula	C5H10N2O
Molecular Weight	114.15 g/mol
Synonyms	1,3-Dimethyl-2-imidazolidinone; DMI; N,N'-Dimethylethyleneurea; 1,3-Dimethylimidazolidin-2-one; DMIO; Sep 367; Solvent DMI; High-Purity Polar Aprotic Solvent
EINECS	250-126-5

Quality Control

Our Sep 367 is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, water content, and impurity profiles. Our quality protocols are designed to meet the stringent requirements of pharmaceutical (GMP) and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and strong oxidizing agents. The product is hygroscopic; ensure containers are sealed tightly after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.5%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.468 - 1.472
Density (20°C)	1.055 - 1.065 g/mL
Boiling Point	~ 225 °C

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