2-Naphthoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 93-09-4 |
| Product name | 2-Naphthoic acid |
| 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-Naphthoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Naphthoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Naphthoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing non-steroidal anti-inflammatory drugs (e.g., naproxen) | Constructs drug molecular scaffolds via Friedel–Crafts acylation, reduction, or coupling reactions |
| Dyes | Intermediate for producing anthraquinone- and azo-based dyes | Introduces chromophores through diazotization, coupling, or oxidative condensation reactions |
| Pesticides | Precursor for synthesizing plant growth regulators and fungicides | Builds biologically active naphthalene ring derivatives |
| Materials Science | Used to prepare organic optoelectronic materials (e.g., fluorescent probes, OLED materials) | Forms functional molecules via esterification, amidation, or metal coordination |
| Analytical Chemistry | Used as a chromatographic reference standard or derivatization reagent | Reacts with target analytes to generate detectable derivatives, enhancing sensitivity |
Manufacturing Quality Control of 2-Naphthoic acid
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample under natural light or standard illumination to determine whether it is a white to pale yellow crystalline powder, and check for any impurities, caking, or other abnormalities. |
| Melting Point | Capillary Melting Point Determination | Use a melting point apparatus or capillary method to measure the sample's melting temperature and compare it with the standard value (approximately 106–108°C) to assess purity. |
| Content Assay | High-Performance Liquid Chromatography (HPLC) | Utilize a reversed-phase C18 column with a UV detector (e.g., at 254 nm), using methanol-water or acetonitrile-water as the mobile phase, and perform quantification via the external standard method to determine the content of 2-naphthoic acid with high accuracy, suitable for main component analysis. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Use the same system with gradient elution to separate potential organic impurities (e.g., unreacted starting materials, oxidation products, etc.), calculate the peak areas of each impurity, and evaluate purity. |
| Drying Loss | Thermogravimetric Analysis (TGA) or Oven Drying Method | Dry the sample at 105°C until constant weight is achieved, then measure the percentage weight loss to assess moisture and volatile impurity content. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Method | Treat the sample with sulfuric acid followed by high-temperature ignition, then weigh the residual inorganic material to evaluate the level of inorganic impurities. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, measure the content of heavy metal elements such as lead, cadmium, mercury, and arsenic to ensure compliance with pharmacopoeial or safety standards. |
| Chlorides | Ion Chromatography (IC) or Turbidimetric Method | Detect chloride ion impurities using ion chromatography or silver nitrate turbidimetry to assess residual chlorides from the synthesis process. |
| Solubility | Solubility Test | Add the sample to solvents such as water, ethanol, ether, and chloroform, and observe its dissolution behavior to verify that its physicochemical properties meet specifications. |
| Structure Confirmation | Fourier Transform Infrared Spectroscopy (FT-IR) | Measure the sample’s infrared absorption spectrum and compare it with a reference spectrum to confirm the presence of functional groups such as carboxyl and aromatic rings. |
| Crystal Form Analysis | X-ray Diffraction (XRD) | Analyze the sample’s crystal structure to distinguish between different polymorphs and ensure batch-to-batch consistency (particularly important in pharmaceutical applications). |
Technical Specifications of 2-Naphthoic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 172–176°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | 220–235 mg KOH/g |
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-Naphthoic acid
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| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Naphthoic acid
Packaging of 2-Naphthoic acid
Industrial 2-Naphthoic acid 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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