2-Naphthaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 66-99-9 |
| Product name | 2-Naphthaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeReagent 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 2-Naphthaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Naphthaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Naphthaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antimalarial drug intermediates | Used as an organic synthesis intermediate in constructing quinoline-based frameworks |
| Dyes | Production of azo and anthraquinone dyes | Applied in condensation reactions to prepare colored aromatic compounds |
| Pesticides | Synthesis of insecticide and fungicide intermediates | Employed in multi-step organic syntheses to build active molecular structures |
| Materials Science | Precursor for organic optoelectronic materials | Used to synthesize fluorescent dyes and organic semiconductor materials |
| Chemical Research | Laboratory reagent for organic synthesis | Applied in carbon-chain elongation reactions, including the Perkin and Wittig reactions |
Manufacturing Quality Control of 2-Naphthaldehyde
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible impurities. The pure substance is typically a pale yellow to yellow liquid or solid. |
| Content (Purity) | Gas Chromatography (GC) | Separation using a capillary column with detection by a flame ionization detector (FID); quantification is performed via peak area normalization or external standard method. Suitable for samples with good volatility. |
| High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase C18 column with a UV detector (typically at 254–280 nm), using methanol/water or acetonitrile/water as the mobile phase for quantitative analysis of 2-naphthaldehyde; suitable for thermally unstable or non-volatile substances. | |
| Structural Confirmation | Fourier Transform Infrared Spectroscopy (FT-IR) | Analyzes characteristic absorption peaks of functional groups, such as aldehyde group (~1700 cm⁻¹ C=O stretching vibration) and aromatic ring (~1600, 1580, 1500 cm⁻¹) to confirm molecular structure. |
| Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H-NMR and ¹³C-NMR precisely identify molecular structure by detecting aldehyde proton signals (δ 9.9–10.1 ppm) and hydrogen/carbon signals on the naphthalene ring. | |
| Water Content | Karl Fischer Titration | Based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment; precise determination of trace water content via coulometric titration. |
| Residual Solvents | Gas Chromatography (GC) | Detects organic solvents potentially residual from production (e.g., methanol, ethanol, benzene derivatives), according to pharmacopeial or relevant standards, using headspace or direct solution injection. |
| Melting Point / Boiling Point | Melting Point Apparatus / Differential Scanning Calorimetry (DSC) | Measures melting range (if solid) or boiling point to assess purity; impurities typically broaden the melting range or lower the melting point. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Detects toxic metal residues such as lead, mercury, cadmium, and arsenic to ensure compliance with safety standards. |
| Ash / Residue on Ignition | Ignition Gravimetric Method | High-temperature incineration of the sample followed by weighing of the residual ash to evaluate inorganic impurity content. |
| Acid Value / Aldehyde Content | Titration Method | Aldehyde groups can react with hydroxylamine hydrochloride to form oximes, releasing H⁺, which is then titrated with standard base; alternatively, indirect iodometric titration may be used to determine aldehyde concentration. |
Technical Specifications of 2-Naphthaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 71–74°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-Naphthaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Naphthaldehyde
Packaging of 2-Naphthaldehyde
Industrial 2-Naphthaldehyde 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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