1,3-DIHYDROXYNAPHTHALENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 132-86-5 |
| Product name | 1,3-DIHYDROXYNAPHTHALENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeReagent GradeCosmetic GradeFood 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 1,3-DIHYDROXYNAPHTHALENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-DIHYDROXYNAPHTHALENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-DIHYDROXYNAPHTHALENE
| Industry | Application | Process Description |
|---|---|---|
| Chemical | Dye intermediates | Used in the synthesis of acid dyes, sulfur dyes, and mordant dyes |
| Pharmaceutical | Drug synthesis | Serves as a synthetic intermediate for certain antimicrobial and anti-inflammatory agents |
| Fine Fragrance | Fragrance synthesis | Applied in the preparation of aromatic compounds |
| Materials Science | Resin synthesis | Acts as a modifier or crosslinking agent for phenolic resins and epoxy resins |
| Pesticides | Pesticide intermediates | Used in the synthesis of certain insecticides and fungicides |
| Analytical Chemistry | Colorimetric reagent or indicator | Employed in colorimetric analysis for the detection of specific metal ions |
| Rubber Industry | Rubber additives | Functions as an antioxidant or vulcanization accelerator in rubber products |
Manufacturing Quality Control of 1,3-DIHYDROXYNAPHTHALENE
| Detection Item | Common Detection Methods | Method Overview |
|---|---|---|
| Content Assay | High-Performance Liquid Chromatography (HPLC) | Utilizes a C18 reverse-phase chromatographic column with a UV detector (detection wavelength approximately 275–280 nm), using methanol-water or acetonitrile-water as mobile phase for gradient or isocratic elution. Quantification is performed via the external standard method, offering high accuracy and suitability for purity analysis. |
| Appearance | Visual Inspection | Observe the color and physical state of the sample (should be white to pale pink crystalline powder); check for impurities, caking, or foreign matter. |
| Melting Point | Melting Point Determination (Capillary Method) | Measured using a melting point apparatus; the standard melting point of resorcinol is approximately 110–112°C. The melting range is used to assess purity. |
| Water Content | Karl Fischer Titration | Utilizes Karl Fischer reagents to precisely determine water content in the sample; suitable for control of active pharmaceutical ingredients or high-purity products. |
| Related Substances (Impurities) | HPLC Method | Similar to content assay; HPLC detects impurity peaks outside the main peak, quantifying individual and total impurity levels to evaluate purity and by-products of side reactions. |
| pH (Solution) | pH Meter Method | A solution of a specified concentration (e.g., 1% aqueous solution) is prepared and measured using a calibrated pH meter. The aqueous solution of resorcinol is weakly acidic (pH approximately 5–6). |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, residual heavy metals such as lead, arsenic, and mercury are measured to comply with pharmacopoeial or environmental regulations. |
| Residue on Ignition (Ash) | Ignition Residue Method | The sample is incinerated at high temperature until constant weight is achieved; the mass of the residual ash is weighed and the ash content is calculated, reflecting the level of inorganic impurities. |
| Solution Clarity | Visual Turbidity Comparison | The sample is dissolved in water or ethanol, and the solution is visually inspected for clarity and presence of suspended particles to detect insoluble impurities. |
| Sulfate | Turbidimetric Method | In acidic conditions, barium chloride is added to form barium sulfate precipitate; turbidity is compared against a standard series to control sulfate impurities. |
Technical Specifications of 1,3-DIHYDROXYNAPHTHALENE
| Test Item | Specification |
|---|---|
| Appearance | Brown crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 107–111°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 1,3-DIHYDROXYNAPHTHALENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-DIHYDROXYNAPHTHALENE
Packaging of 1,3-DIHYDROXYNAPHTHALENE
Industrial 1,3-DIHYDROXYNAPHTHALENE 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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