I. Basic Product Information
Product Name: Centralite II
Chemical Name: N,N'-Dimethyl-N,N'-diphenylurea (1,3-Dimethyl-1,3-diphenylurea)
CAS No.: 611-92-7
Molecular Formula: CHNO
Molecular Weight: 240.30
Execution Standard: GJB110A-2020 National Military Standard, meeting military-grade quality requirements with stable and controllable performance indicators.
II. Physical and Chemical Properties
Stabilizer II is a high-performance organic urea-based stable compound. It appears as white to light gray crystalline powder or scaly solid with high purity, low impurity content and uniform stable texture. The core physical and chemical parameters are as follows:
- Melting Point: 120.5122.0, with a narrow melting point range, indicating excellent product purity.
- Boiling Point: 350 (760mmHg), featuring excellent high-temperature stability.
- Density: 1.161g/cm
- Flash Point: 142.6
- Solubility: Insoluble in water, easily soluble in organic solvents such as acetone, ether and ethanol, suitable for various pharmaceutical formula systems.
- Stability: Chemically stable under normal temperature and pressure, not easy to decompose or deteriorate; slightly volatile when the temperature is higher than the melting point with no risk of spontaneous reaction.
III. Core Product Characteristics
As a high-efficiency stabilizer specially used in military industry and fine chemical industry, Stabilizer II has prominent performance advantages over ordinary auxiliaries, with core functions of passivation, stabilization and decomposition delay:
- High-efficiency Stabilization Performance: It can effectively absorb acidic decomposition products generated during the storage and use of smokeless gunpowder, propellants and nitrated compounds, block the autocatalytic decomposition reaction of pharmaceuticals, greatly extend the storage life of pyrotechnics and ammunition, and improve long-term service safety.
- Strong Compatibility: It has excellent compatibility with mainstream energetic materials such as nitrocellulose and nitroglycerin, does not affect the core properties of pharmaceuticals including combustion and explosion, and produces no side reactions or impurity precipitation.
- Excellent Temperature Resistance Stability: With a high melting point and superior thermal stability, it can adapt to complex working conditions such as alternating high and low temperatures, long-term warehousing and transportation jolts, with extremely low performance attenuation.
- High Purity and Stable Quality: Prepared by advanced synthetic technology, the product features qualified purity, uniform particle size and small batch-to-batch difference, which can meet the high-standard mass production requirements of military industry.
IV. Main Application Fields
As an indispensable core auxiliary in the field of energetic materials and a high-quality fine chemical intermediate, Stabilizer II has precise and professional application scenarios:
- Military Pyrotechnic Industry (Core Application): Widely used as a special stabilizer for smokeless gunpowder, artillery propellant, rocket propellant, civil and military nitrated explosives. It effectively improves the storage stability and service safety of pharmaceuticals, serving as a standard supporting auxiliary for the mass production of ammunition and propellants.
- Fine Chemical Industry: Used as an organic synthesis intermediate in the production of rubber additives, dyes, pigments, photoinitiators and special additives, which can optimize the reaction efficiency and finished product stability of products.
- New Material Industry: Applied as a special organic additive and reaction catalyst in the modification and production of high-end chemical materials and functional composite materials.
V. Production Technology and Quality Assurance
The product is finely synthesized from N-methylaniline and phosgene (solid phosgenation method), and processed through multiple procedures including purification, crystallization, drying and screening. It avoids the problems of many impurities and large wastewater pollution existing in traditional processes, and its purity, whiteness and stability are superior to ordinary industrial products. The whole production process complies with the GJB110A-2020 national military standard quality control system. Each batch is subject to physical and chemical inspection, stability test and compatibility test to ensure qualified indicators and stable performance.
VI. Packaging, Storage and Transportation Instructions
- Packaging Specification: Conventionally packed in 25kg double-layer moisture-proof paper bags or cardboard drums with sealing treatment. Customized packaging is available according to customer demands, featuring moisture resistance, dust resistance and breakage resistance.
- Storage Conditions: Store in a cool, dry and well-ventilated special warehouse, keep away from heat sources, fire sources and oxidants, avoid direct sunlight and humid environment. Sealed storage ensures long-term quality retention.
- Transportation Requirements: It is a common chemical raw material, non-flammable and non-explosive. Avoid severe impact, rain and moisture during transportation, and operate in strict accordance with chemical product transportation specifications.
VII. Product Advantage Summary
With the core advantages of high stability, high compatibility, long service life and high quality, Stabilizer II has become a mainstream stabilizing auxiliary in the energetic material industry. It perfectly adapts to the demands of military industry, civil explosives, fine chemicals and other fields, solves the industrial pain points of easy decomposition and poor safety of energetic pharmaceuticals during long-term storage, and is a special chemical auxiliary with cost performance and high reliability.