Description

1,3-Diphenylguanidine CAS NO 102-06-7 is a versatile organic compound belonging to the guanidine class, widely recognized as a secondary accelerator in the rubber vulcanization process. Its primary commercial value lies in its ability to enhance the efficiency of primary thiazole accelerators, significantly improving the rate and quality of cross-linking in various elastomers. This chemical is essential for manufacturers in the rubber and polymer industries, where it is used to produce tires, conveyor belts, hoses, and other durable rubber goods requiring precise control over cure characteristics and final physical properties.

Application

• Rubber Vulcanization Accelerator: Primarily used as a secondary accelerator alongside primary thiazole or sulfenamide accelerators to activate and speed up the sulfur vulcanization process for natural and synthetic rubbers.
• Tire Manufacturing: A critical additive in tire compound formulations to achieve optimal cure rates, improved tensile strength, and enhanced aging resistance.
• Industrial Rubber Goods: Employed in the production of conveyor belts, hoses, seals, gaskets, and vibration dampeners to ensure consistent curing and product durability.
• Polymer Stabilizer: Acts as a stabilizer in certain polymer systems to prevent degradation during processing and extend product lifespan.
• Chemical Intermediate: Serves as a building block in organic synthesis for the preparation of pharmaceuticals, agrochemicals, and other specialty chemicals.
• Adhesive and Sealant Formulations: Used to modify the curing profile and enhance the performance of rubber-based adhesives and sealants.

Basic Information

Product Name	1,3-Diphenylguanidine
CAS No.	102-06-7
Molecular Formula	C13H13N3
Molecular Weight	211.26 g/mol
Synonyms	DPG; N,N'-Diphenylguanidine; sym-Diphenylguanidine; 1,3-Diphenylguanidine; Vulcanization accelerator DPG; Melanine; Diphenylguanidine; Guanidine, 1,3-diphenyl-; DPG accelerator
EINECS	203-002-1

Quality Control

Our 1,3-Diphenylguanidine is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, melting point determination, and impurity profiling, to meet established industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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). Keep away from strong oxidizing agents, acids, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	147°C - 151°C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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