4-METHYL-1-NAPHTHOIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4488-40-8 |
| Product name | 4-METHYL-1-NAPHTHOIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 4-METHYL-1-NAPHTHOIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-METHYL-1-NAPHTHOIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-METHYL-1-NAPHTHOIC ACID
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for anti-inflammatory and antitumor drug molecules | Introduces naphthalene ring structure via acylation, esterification, or coupling reactions to construct active pharmaceutical ingredients (APIs) |
| Dyes & Pigments | Dye intermediate for anthraquinone- or naphthalene-based dyes | Prepares specific chromophore structures via nitration, sulfonation, or condensation reactions |
| Agricultural Chemicals | Pesticide intermediate for herbicides and plant growth regulators | Synthesizes target agricultural active compounds through functional group transformations (e.g., halogenation, alkylation) |
| Materials Science | Used in synthesis of liquid crystal monomers or organic optoelectronic material precursors | Constructs π-conjugated systems via Suzuki coupling, transesterification, and related reactions |
Manufacturing Quality Control of 4-METHYL-1-NAPHTHOIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Identity | FT-IR Spectroscopy | Confirmation via characteristic functional group absorptions (e.g., carboxylic acid C=O stretch ~1680 cm⁻¹, aromatic C=C ~1600–1580 cm⁻¹) matched to reference spectrum. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., toluene, methanol) using capillary GC with flame ionization detection against calibrated standards. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals (Pb, Cd, Hg, As, Cr) after acid digestion, based on element-specific atomic emission intensities. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water via stoichiometric reaction between iodine, sulfur dioxide, and water in anhydrous pyridine/methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range at which solid-to-liquid phase change occurs under controlled heating. |
| Acid Value | Acid-Base Titration (NaOH) | Determination of free carboxylic acid content by titration with standardized sodium hydroxide solution using phenolphthalein indicator or potentiometric endpoint. |
| Appearance (Color & Clarity) | Visual Inspection (against USP/EP standards) | Subjective assessment of crystalline form, color (white to off-white), and absence of visible particulates or discoloration in a defined container under controlled lighting. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measurement of non-volatile inorganic impurities by ignition at 700–800 °C and weighing residual ash after cooling in desiccator. |
| Related Substances | HPLC-UV (with gradient elution) | Detection and quantification of structurally related impurities (e.g., 4-methyl-1-naphthol, oxidation by-products) using validated stability-indicating method. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample to determine volumetric particle size distribution based on Mie scattering theory. |
| Bulk Density | ASTM D1895 (Method A) | Measurement of mass per unit volume for freely settled powder in a graduated cylinder under standardized conditions. |
| Microbial Limits | Membrane Filtration + Culture Enumeration | Detection and enumeration of aerobic mesophilic microorganisms, yeasts, and molds following pharmacopeial compendial procedures (e.g., USP <61>). |
Technical Specifications of 4-METHYL-1-NAPHTHOIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 164–168°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| 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 4-METHYL-1-NAPHTHOIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-METHYL-1-NAPHTHOIC ACID
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Industrial 4-METHYL-1-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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