Description

4,4'-(Diphenylmethylene)Bis[1,1-Dimethylsemicarbazide] is a specialized organic compound belonging to the bis-semicarbazide class, serving as a high-performance chemical intermediate. Its value lies in its unique molecular structure, which provides excellent thermal stability and reactivity, making it a critical component in advanced material synthesis. This product is essential for R&D and production teams in the polymer, pharmaceutical, and specialty chemical industries seeking to develop novel materials with enhanced properties.

Application

• Polymer Additive & Stabilizer: Acts as a high-efficiency thermal stabilizer and antioxidant in engineering plastics, polyurethanes, and synthetic rubbers to prevent degradation during processing and extend product lifespan.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, symmetrical diphenylmethylene core.
• Crosslinking Agent: Utilized in the production of high-performance resins, coatings, and adhesives where it contributes to improved crosslink density, chemical resistance, and mechanical strength.
• Chemical Research & Development: Employed in academic and industrial R&D laboratories for developing new organic compounds, ligands, and functional materials.
• Specialty Chemical Synthesis: Used as a precursor for synthesizing other complex organic molecules, including dyes, pigments, and photoinitiators.

Basic Information

Product Name	4,4'-(Diphenylmethylene)Bis[1,1-Dimethylsemicarbazide]
CAS No.	58494-39-6
Molecular Formula	C19H24N6O2
Molecular Weight	368.44 g/mol
Synonyms	1,1'-(Diphenylmethylene)bis[4,4-dimethylsemicarbazide]; 4,4'-(Diphenylmethylene)bis(1,1-dimethylsemicarbazide); 1,1-Dimethyl-4-[[(4,4-dimethyl-3-semicarbazido)phenyl]phenylmethyl]semicarbazide; Bis(1,1-dimethylsemicarbazide) diphenylmethane derivative; DPMBS; N,N'-(Diphenylmethylene)bis(N,N-dimethylurea) hydrazone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 4,4'-(Diphenylmethylene)Bis[1,1-Dimethylsemicarbazide] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency meet exacting standards. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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