Methylnaphthalene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1321-94-4 |
| Product name | Methylnaphthalene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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 Methylnaphthalene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methylnaphthalene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methylnaphthalene
| Industry | Application | Process Description |
|---|---|---|
| Chemical | Dye Intermediates | Used in the synthesis of dye intermediates such as anthraquinone and carbazole |
| Pharmaceutical | Drug Synthesis | Serves as a starting material for certain drug molecules |
| Materials Science | Polymeric Materials | Applied as a modifying additive for specialty resins or polymers |
| Petrochemical | Fuel Additive | Enhances fuel thermal stability and combustion efficiency |
| Research | Organic Synthesis Reagent | Employed as an intermediate in organic reactions in laboratory settings |
| Pesticides | Pesticide Formulation | Serves as a precursor in the synthesis of certain insecticides or herbicides |
| Fragrance Industry | Fragrance Synthesis | Used to synthesize aromatic compounds with specific odor profiles |
Manufacturing Quality Control of Methylnaphthalene
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Assay | Gas Chromatography (GC) | Uses a capillary column to separate methylnaphthalene, with detection by a flame ionization detector (FID). Quantification is performed via external or internal standard methods, offering high sensitivity and good reproducibility. |
| High-Performance Liquid Chromatography (HPLC) | Employs a C18 reversed-phase column with methanol-water or acetonitrile-water as the mobile phase. Detection is carried out using a UV detector at around 254 nm, suitable for thermally unstable samples. | |
| Purity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of GC with the qualitative power of MS, enabling accurate identification of methylnaphthalene and its impurity components. Widely used for purity assessment and impurity profiling. |
| Impurity Detection | GC-FID or HPLC-UV | Identifies and quantifies organic impurities such as naphthalene, dimethylnaphthalene, and sulfur compounds by comparing retention times and using reference standards, ensuring product purity meets specifications. |
| Volatile Components Analysis | Headspace-Gas Chromatography (HS-GC) | Suitable for detecting residual solvents or volatile impurities in methylnaphthalene. Requires minimal sample preparation, offers high sensitivity, and is ideal for automated analysis. |
| Physical Appearance | Visual Inspection | Involves observing whether the sample is a colorless to pale yellow transparent liquid or crystalline solid, checking for suspended particles, precipitates, or abnormal coloration, serving as a preliminary quality assessment. |
| Boiling Point/Distillation Range | Distillation Method | Determines the boiling range of methylnaphthalene (typically within 1°C), assessing its uniformity and content of volatile impurities. Commonly used for quality control of industrial-grade products. |
| Refractive Index | Refractometry | Measures refractive index (nD²⁰) at a specified temperature (e.g., 20°C), used as an auxiliary method for identification and purity evaluation. The typical value for methylnaphthalene is approximately 1.62–1.64. |
Technical Specifications of Methylnaphthalene
| Test Item | Specification |
|---|---|
| Appearance | Bluish-brown liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.615–1.625 |
| Relative Density (20°C/25°C) | 1.025–1.035 g/cm³ |
| Color (APHA/Pt-Co) | <=100 |
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 Methylnaphthalene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methylnaphthalene
Packaging of Methylnaphthalene
Industrial Methylnaphthalene 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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