m-Phenylenediamine
High-Quality m-Phenylenediamine for Industrial Applications
m-Phenylenediamine (MPD) is an essential aromatic amine widely used in polymer production, dye manufacturing, and epoxy curing applications. Our premium-grade m-Phenylenediamine meets the highest industry standards for purity and performance.
Key Product Specifications
- Chemical Formula: C6H8N2
- CAS Number: 108-45-2
- Molecular Weight: 108.14 g/mol
- Appearance: White to light tan crystalline powder
- Purity: ≥99.5%
- Melting Point: 63-65°C
- Boiling Point: 282-284°C
- Density: 1.139 g/cm³ at 20°C
Technical Parameters
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (GC) | ≥99.5% | ASTM D5291 |
| Moisture Content | ≤0.2% | Karl Fischer |
| Ash Content | ≤0.05% | ISO 3451 |
| Insoluble Matter | ≤0.01% | Gravimetric |
| Isomer Content | ≤0.3% | HPLC |
Storage and Handling
Store m-Phenylenediamine in a cool, dry place away from direct sunlight and oxidizing agents. Keep containers tightly closed when not in use. Recommended storage temperature: 15-25°C. Shelf life: 24 months from production date when stored properly.
Packaging Options
- 25 kg fiber drums with polyethylene liner
- 500 kg super sacks with moisture barrier
- Bulk tanker truck quantities (minimum 20 MT)
m-Phenylenediamine Applications
This versatile chemical finds applications in numerous industries:
- Production of aramid fibers (Nomex®, Kevlar®)
- Epoxy resin curing agent
- Hair dye formulations
- Rubber chemicals manufacturing
- Corrosion inhibitors
- Polyurethane production
m-Phenylenediamine FAQ
Q: What safety precautions should be taken when handling m-Phenylenediamine?
A: Always wear appropriate PPE including chemical-resistant gloves, safety goggles, and protective clothing. Use in well-ventilated areas or with local exhaust ventilation. m-Phenylenediamine can cause skin irritation and allergic reactions. Avoid breathing dust and wash thoroughly after handling. Have emergency eyewash stations and safety showers available in the work area.
Q: How does m-Phenylenediamine differ from o-Phenylenediamine and p-Phenylenediamine?
A: The three isomers differ in the position of amino groups on the benzene ring. m-Phenylenediamine (meta position) is widely used in polymer applications due to its thermal stability. o-Phenylenediamine (ortho position) is more commonly used in dye manufacturing. p-Phenylenediamine (para position) is primarily used in hair dyes and rubber chemicals. The meta isomer generally offers better thermal stability for high-performance polymer applications.
Q: What environmental considerations apply to m-Phenylenediamine?
A: m-Phenylenediamine is biodegradable under aerobic conditions but may be toxic to aquatic organisms. Prevent release to the environment. Contain spills with inert absorbent material and dispose of according to local regulations. Waste containing m-Phenylenediamine should be treated as hazardous waste unless proven otherwise. Always consult Safety Data Sheets for specific disposal guidelines in your region.
Quality Assurance
Our m-Phenylenediamine undergoes rigorous quality control:
| Quality Parameter | Control Standard |
|---|---|
| Batch-to-Batch Consistency | ±0.5% purity variance |
| Heavy Metal Content | <10 ppm |
| Particle Size Distribution | 90% between 100-300 microns |
| Residual Solvents | <50 ppm |
Regulatory Compliance
Our m-Phenylenediamine meets or exceeds the following regulatory standards:
- REACH registered
- US EPA TSCA compliant
- China IECSC listed
- Canada DSL listed
- Australia AICS listed
Supply Chain Reliability
We maintain strategic inventory levels of m-Phenylenediamine to ensure consistent supply. Our global distribution network guarantees timely delivery to customers worldwide. Custom manufacturing options available for large-volume requirements.