Description

N,N'-Diphenylguanidine Monohydrobromide is a specialized organic salt derived from diphenylguanidine, serving as a key intermediate and catalyst in advanced chemical synthesis. Its primary value lies in its role as a highly effective accelerator and vulcanization agent within the polymer industry, significantly enhancing the curing efficiency and physical properties of rubber and elastomer products. This compound is essential for manufacturers and R&D laboratories focused on developing high-performance rubber goods, specialty adhesives, and fine chemical synthesis, where precise reaction control is paramount.

Application

• Rubber Vulcanization Accelerator: A critical secondary accelerator, often used in combination with primary thiazoles, to improve the speed and efficiency of sulfur vulcanization in natural and synthetic rubber compounds.
• Elastomer Production: Enhances the cross-linking process in the manufacture of various elastomers, contributing to improved tensile strength, elasticity, and aging resistance in finished products.
• Polymer Modification: Acts as a catalyst or curing agent in the synthesis and modification of specific polymers and resins, influencing their final mechanical and thermal properties.
• Chemical Synthesis Intermediate: Serves as a valuable building block in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals, leveraging the guanidine moiety.
• Adhesive and Sealant Formulations: Used in formulations where it contributes to the curing profile and ultimate bond strength of high-performance adhesives and sealants.
• Research & Development: Employed in laboratory settings for developing new catalytic systems and studying reaction mechanisms in polymer chemistry.

Basic Information

Product Name	N,N'-Diphenylguanidine Monohydrobromide
CAS No.	93982-96-8
Molecular Formula	C13H13N3•HBr
Molecular Weight	292.18 g/mol
Synonyms	1,3-Diphenylguanidine Hydrobromide; DPG•HBr; N,N'-Diphenylguanidine Hydrobromide; sym-Diphenylguanidine Hydrobromide; Vulcanization Accelerator DPG Hydrobromide; Guanidine, N,N'-diphenyl-, monohydrobromide; 1,3-Diphenyl-2-iminourea hydrobromide; Accelerator DPG HBr
EINECS	Contact for details

Quality Control

Our N,N'-Diphenylguanidine Monohydrobromide is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications for industrial and research applications. Certificates of Analysis (COA) documenting purity, physical characteristics, and test results are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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