
m-Phenylenediamine
CAS: 108-45-2
Content: 99%
Packing: 25kg per bag
Use: Dye intermediate and pesticide intermediate
Origin: Made In China
Nanjing Chem Co.,Ltd. is a China-based supplier and exporter of m-Phenylenediamine product, Dye intermediates and related products. m-Phenylenediamine is mainly used for pesticide intermediate as well.
Product Introduction
Product Introduction of m-Phenylenediamine
Core Competitive Advantages of Our m-Phenylenediamine
- Strict purity control: Two standard grades (98% / 99.5%) available, ultra-low ortho/para-phenylenediamine isomer residues to avoid downstream product color deviation;
- Stable chemical reactivity: Uniform crystal particle size, consistent dissolution rate, reducing abnormal reaction risks during synthesis;
- Eco-friendly production route: Optimized low-emission synthesis craft, less organic by-products, compliant with EU REACH export standards;
- Batch stability guarantee: Full-process online monitoring from raw material feeding to finished product packaging, eliminating inter-batch parameter fluctuation;
- Factory direct bulk supply: No intermediate traders, flexible minimum order quantity, stable monthly output for long-term contract clients;
- Customized technical service: Our in-house technical team provides formulation adjustment guidance matching customers’ dye or pesticide synthesis processes.
Complete Technical Specifications (CAS 108-45-2)
| Test Item | Standard Industrial Grade | High Purity Grade | Test Standard |
|---|---|---|---|
| Chemical Name | m-Phenylenediamine (1,3-Benzenediamine) | Chemical Identification | |
| CAS No. | 108-45-2 | International Registry | |
| Molecular Formula | C₆H₈N₂ | Molecular Mass Spectrometry | |
| Molecular Weight | 108.14 g/mol | Calculation Standard | |
| Appearance | Off-white to light pink crystalline flake | Snow white crystal | Visual Inspection |
| Assay Purity | ≥98.0 wt% | ≥99.5 wt% | GC Gas Chromatography |
| Moisture Content | ≤0.20 wt% | ≤0.10 wt% | Karl Fischer Titration |
| Melting Point | 62–64 ℃ | 63–65 ℃ | Melting Point Apparatus |
| Ortho-Phenylenediamine Residue | ≤500 ppm | ≤200 ppm | GC Detection |
| Para-Phenylenediamine Residue | ≤800 ppm | ≤450 ppm | GC Detection |
| Ignition Residue | ≤0.10 wt% | ≤0.05 wt% | High-Temperature Ashing |
| Shelf Life | 12 months under sealed dry storage | Factory Stability Test |
Main Industrial Applications of m-Phenylenediamine
Raw Material for Dye Synthesis Industry
- Reactive dyes, acid dyes, direct black dyes for cotton, wool and silk textile printing & dyeing;
- Leather fur dyes, water-based ink colorants with superior color fastness and weather resistance;
- Azo color intermediates for textile auxiliary and textile mordant production.
Products synthesized with our m-Phenylenediamine feature stable color tone, low fading rate and meet international textile environmental testing requirements.
Key Building Block for Pesticide & Agrochemical Production
- Intermediate for systemic fungicides used on fruit trees, grain crops and vegetables;
- Raw material for low-toxicity insecticides and plant growth regulators;
- Molecular modifier to optimize pesticide active ingredient absorption and natural degradation cycle, reducing agricultural chemical pollution to soil and water.
H2: Our Manufacturing Factory Scale & R&D Strength
Production Base & Professional Technical Team
Our integrated chemical production plant covers an area of 100 acres, equipped with automated continuous synthesis reactors, independent purification workshops, constant-temperature finished product warehouses and a full-set central quality inspection laboratory. All production lines operate under standardized closed chemical production management protocols to ensure stable daily output.
The factory employs a total of 150 full-time staff, among which 30 professional technical engineers are dedicated to process optimization, purity testing, custom formulation matching and overseas customer after-sales technical support. Our technical team can offer targeted synthesis scheme suggestions based on clients’ unique dye or pesticide production lines.
Green Process R&D & Waste Treatment Cooperation with Research Institutes
- Green synthesis process upgrading for dye intermediates and pesticide intermediates: Optimize reaction routes to cut raw material consumption, lower harmful by-product generation and realize low-carbon energy-saving production;
- Product quality & purity improvement: Continuous formula and purification technology iteration to reduce impurity content, satisfying high-standard synthesis demands of high-end dye and agrochemical factories;
- Systematic wastewater and solid waste harmless & recycling treatment technology: We develop matched waste disposal solutions together with academic partners, building full closed-loop waste recovery systems inside the factory. All production wastewater goes through multi-stage physical, chemical and biological treatment before reuse; hazardous solid waste is classified, collected and resource-recovered, fully complying with global environmental protection and export compliance standards.
Packaging, Storage & Global Export Shipping Guide
- Standard Packaging: 25kg kraft paper drum lined with plastic inner bag; 500kg / 1000kg IBC tote tank for bulk large orders; customized packaging available upon request;
- Storage Requirements: Keep sealed in cool, dry, ventilated warehouse; avoid direct sunlight, high temperature, moisture and contact with strong oxidants or strong acid substances; separate from food raw materials during storage;
- Export Transportation: Classified as general fine chemical solid cargo, suitable for sea freight and land truck delivery. We provide complete export documents including COA, MSDS, commercial invoice, packing list, certificate of origin and REACH compliance test reports for smooth customs clearance;
- Storage Period: 12 months from production date under recommended sealed storage; stir and re-test purity before use once the package is opened or shelf life expires.
Frequently Asked Questions About m-Phenylenediamine
Q1: What are the primary uses of m-Phenylenediamine?
Q2: Can you supply customized purity grades of m-Phenylenediamine?
Q3: What supporting documents can you provide for export customs clearance?
Q4: Does your factory adopt environmentally friendly production technology?
Q5: What is your bulk supply capacity for m-Phenylenediamine?
Q6: What is the shelf life of m-Phenylenediamine?
Q7: What technical support can your team offer after order delivery?
Request Bulk Quotation & Technical Support
If you are a dye factory, agrochemical manufacturer or chemical distributor searching for stable bulk supply of high-quality m-Phenylenediamine, please send your purchasing demands including target purity, monthly consumption volume and downstream synthesis application to our sales team. Our chemical technical specialists will reply with factory direct quotation, free formulation consultation and full export document support within 24 working hours.
As a 100-acre professional intermediate manufacturer with independent testing labs and university green technology cooperation, we guarantee consistent batch quality, eco-friendly closed-loop production and competitive factory prices for all global B2B fine chemical purchasers.

