N,N'-Di-2-naphthyl-p-phenylenediamine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 93-46-9 |
| Product name | N,N'-Di-2-naphthyl-p-phenylenediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for N,N'-Di-2-naphthyl-p-phenylenediamine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N,N'-Di-2-naphthyl-p-phenylenediamine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N,N'-Di-2-naphthyl-p-phenylenediamine
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Antioxidant for natural rubber and synthetic rubbers (e.g., nitrile rubber, chloroprene rubber, styrene-butadiene rubber) | Used as a scorch inhibitor and antioxidant; added during rubber compounding to suppress delayed vulcanization during storage |
| Rubber Industry | Production of white, light-colored, and brightly colored rubber products | Added during compounding to leverage its non-staining and non-discoloring properties, preventing surface cracking and aging |
| Plastics Industry | Thermo-oxidative stabilizer for polyolefins (e.g., polyethylene, polypropylene) and polyamides (nylon) | Added during extrusion or molding processes to enhance the thermo-oxidative aging resistance of finished products |
| Latex Industry | Antioxidant for latex-based products | Added during latex compounding; provides good stability in latex systems without compromising mechanical stability |
| Fiber Industry | Thermo-oxidative stabilization of nylon fibers and tire cord | Added during spinning or polymerization to improve tensile strength retention during high-temperature processing and service life |
| Chemical Synthesis | Synergistic enhancer for other antioxidants | Used in combination with other antioxidants (e.g., Antioxidant D, Antioxidant 4010); added during compounding or synthesis to augment protective performance |
Manufacturing Quality Control of N,N'-Di-2-naphthyl-p-phenylenediamine
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe sample color, physical form, and presence of impurities; typically should be white to light brown powder or granules. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus. The standard melting point of DNP is approximately 140–145°C, used to assess purity. |
| Assay (Main Component) | High-Performance Liquid Chromatography (HPLC) | Separate components using a chromatographic column and quantify DNP content with a UV detector. A C18 column with methanol/water as mobile phase is commonly used. |
| Volatile Matter | Loss on Drying | Dry the sample at a specified temperature (e.g., 105°C) to constant weight and calculate the percentage mass loss to evaluate moisture and volatile content. |
| Ash Content | High-Temperature Ignition | Iignite the sample in a high-temperature furnace (e.g., 800°C), then weigh the residue to determine inorganic impurity content. |
| Color Intensity | Colorimetry / Spectrophotometry | Dissolve the sample and compare with standard color scales, or measure absorbance at specific wavelengths using a spectrophotometer to assess the impact of impurities. |
| Free Amine | Acid-Base Titration | Titrate free amine impurities using an acid-base neutralization reaction. Endpoint is determined by phenolphthalein indicator or potentiometric titration to control byproduct levels. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | After sample digestion, use AAS to measure heavy metal elements such as lead, cadmium, and mercury to ensure compliance with safety limits. |
| Solubility | Solvent Dissolution Test | Test solubility in specific solvents (e.g., acetone, ethanol, benzene) to evaluate product applicability and purity. |
| UV Absorption Characteristics | UV-Visible Spectrophotometry | Measure absorption peaks at specific wavelengths (e.g., 280–300 nm) to assist in identification and assess the integrity of conjugated structures. |
Technical Specifications of N,N'-Di-2-naphthyl-p-phenylenediamine
| Test Item | Specification |
|---|---|
| Appearance | Gray solid |
| Purity | >=98.0% |
| Melting Point | 72–76 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of N,N'-Di-2-naphthyl-p-phenylenediamine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N,N'-Di-2-naphthyl-p-phenylenediamine
Safety Information of N,N'-Di-2-naphthyl-p-phenylenediamine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N,N'-Di-2-naphthyl-p-phenylenediamine
Industrial N,N'-Di-2-naphthyl-p-phenylenediamine Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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