2,7-DIMETHYLNAPHTHALENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 582-16-1 |
| Product name | 2,7-DIMETHYLNAPHTHALENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeReagent Grade |
| Packaging | 25KG/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 2,7-DIMETHYLNAPHTHALENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,7-DIMETHYLNAPHTHALENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,7-DIMETHYLNAPHTHALENE
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Precursor for dye and pigment synthesis | Used as an aromatic compound in electrophilic substitution reactions to construct complex dye molecular frameworks |
| Polymer Industry | Alternative monomer candidate for poly(ethylene naphthalate) (PEN) production | Oxidized to 2,7-naphthalenedicarboxylic acid, followed by condensation polymerization with ethylene glycol to form high-performance polyester |
| Optoelectronic Materials | Synthetic raw material for organic light-emitting diodes (OLEDs) and liquid crystal materials | Functionalized to prepare π-conjugated molecules with tailored optoelectronic properties |
| Pharmaceutical R&D | Construction of drug molecule scaffolds | Incorporated as a hydrophobic aromatic structural unit into candidate drug molecules for structure–activity relationship studies |
| Analytical Chemistry | Reference standard or internal standard in chromatographic analysis | High-purity product used for qualitative and quantitative analysis by gas chromatography (GC) or high-performance liquid chromatography (HPLC) |
Manufacturing Quality Control of 2,7-DIMETHYLNAPHTHALENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard using internal or external calibration. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals | ICP-OES | Multi-element quantification by measuring atomic emission intensities of metal ions in plasma-excited sample solution. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration using silver nitrate with endpoint detection via silver ion-selective electrode. |
| Sulfated Ash | Gravimetric Analysis | Weight measurement of residue after treatment with sulfuric acid followed by ignition to constant weight. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color intensity against platinum-cobalt standard solutions at 455 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid, measured under controlled heating rate. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Non-Volatile Matter | Gravimetric Analysis | Weight difference before and after evaporation of volatile components under controlled temperature and vacuum. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Identification and semi-quantitation of structurally related impurities based on retention time and mass spectral matching. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
Technical Specifications of 2,7-DIMETHYLNAPHTHALENE
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 67–69°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to structure |
| Residue on Ignition | <=0.1% |
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 2,7-DIMETHYLNAPHTHALENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,7-DIMETHYLNAPHTHALENE
Packaging of 2,7-DIMETHYLNAPHTHALENE
Industrial 2,7-DIMETHYLNAPHTHALENE 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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