Description

1,1'-Methylidynebisurea is a versatile organic compound with the CAS registry number 6289-14-1. This chemical serves as a key intermediate and functional additive in advanced material synthesis and industrial processes. It is particularly valued in the production of specialty polymers, resins, and as a cross-linking agent. Industries such as polymer manufacturing, adhesives, and specialty chemical synthesis rely on its consistent quality and performance.

Application

• Polymer & Resin Synthesis: Acts as a cross-linking agent and monomer in the production of urea-formaldehyde and melamine-formaldehyde resins.
• Adhesives & Binders: Used to enhance the curing properties and thermal stability of industrial adhesives.
• Textile & Leather Processing: Functions as a durable press agent and finishing chemical for fabrics and leather goods.
• Paper Coating & Sizing: Improves wet strength and printability in paper manufacturing processes.
• Flame Retardant Formulations: Incorporated as a nitrogen-rich component in flame-retardant materials.
• Slow-Release Fertilizers: Utilized as a nitrogen source in controlled-release agricultural formulations.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Employed as a reagent in organic synthesis and material science research.

Basic Information

Product Name	1,1'-Methylidynebisurea
CAS No.	6289-14-1
Molecular Formula	C3H8N4O2
Molecular Weight	132.12 g/mol
Synonyms	Bis(aminocarbonyl)methane; Methylenebisurea; Methylene Diurea; MDU; N,N'-Methylenediurea; 1,1'-Methylenebis(urea); Urea, 1,1'-methylenebis-; NSC 403169
EINECS	228-524-4

Quality Control

Our 1,1'-Methylidynebisurea is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

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) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Melting Point	245 - 255 °C (dec.)

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