2-Naphthalenethiol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 91-60-1 |
| Product name | 2-Naphthalenethiol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeMaterial GradeSpecialty 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-Naphthalenethiol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Naphthalenethiol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Naphthalenethiol
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing azo dyes, sulfur dyes, and anthraquinone dyes | Applied in diazotization-coupling reactions, oxidative condensation, or Ullmann coupling with haloarenes |
| Pesticide Industry | Intermediate for synthesizing organophosphorus insecticides (e.g., carbaryl derivatives) and fungicides | Applied in alkylation/acylation reactions with chloroalkanes or acyl chlorides, or in cyclization to construct heterocyclic structures |
| Pharmaceutical Industry | Heterocyclic precursor for anti-inflammatory, antitumor, and antimicrobial agents (e.g., benzothiophene derivatives) | Applied in cyclization, oxidation, or palladium-catalyzed cross-coupling to build sulfur-containing heterocyclic frameworks |
| Rubber Industry | Used as a rubber antioxidant (e.g., raw material for antioxidant DNP) | Applied in condensation with formaldehyde and aniline to form diphenylamine derivatives, followed by sulfonation or oxidation modification |
| Organic Synthesis | Starting material for preparing 2-naphthalenesulfonic acid, 2-naphthoic acid, and sulfur-containing functional materials | Applied in functional group transformations—such as sulfonation, oxidation, and halogenation—to introduce target substituents |
Manufacturing Quality Control of 2-Naphthalenethiol
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample under natural light or standard lighting to determine whether it is a white to pale yellow crystalline or solid, and to check for any impurities, caking, or other abnormalities. |
| Purity | Gas Chromatography (GC) | Separate the components of the sample using a gas chromatograph, and calculate the purity of 2-naphthalenethiol by peak area normalization or external standard method; suitable for samples with good volatility. |
| High-Performance Liquid Chromatography (HPLC) | Use a reverse-phase C18 column with a UV detector (e.g., 254 nm) to quantify the target compound based on retention time and peak area; suitable for thermally unstable or non-volatile substances. | |
| Melting Point | Capillary Melting Point Determination | Load the sample into a capillary tube and slowly heat it in a melting point apparatus; record the initial and final melting temperatures to assess compound purity and consistency. |
| Water Content | Karl Fischer Titration | Utilize the quantitative reaction between iodine, sulfur dioxide, and water in methanol; determine water content via coulometric or volumetric methods, offering high precision and specificity. |
| Sulfur Content | Elemental Analysis (EA) or X-ray Fluorescence Spectroscopy (XRF) | Determine total sulfur content via combustion-infrared or electrochemical detection to verify the presence and proportion of the thiol group in the structure. |
| Residual Solvents | Gas Chromatography (GC) | According to ICH guidelines, detect organic solvents potentially residual from production (e.g., methanol, ethanol, benzene) using headspace injection-GC analysis. |
| Structure Confirmation | Fourier Transform Infrared Spectroscopy (FT-IR) | Measure the infrared absorption spectrum of the sample and compare it with a reference spectrum to confirm the presence of functional groups (e.g., S-H, aromatic ring). |
| Nuclear Magnetic Resonance Spectroscopy (NMR) | Confirm molecular structure using ¹H-NMR and ¹³C-NMR to identify the chemical environments of hydrogen and carbon atoms, ensuring structural accuracy. | |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Detect toxic heavy metal residues such as lead, arsenic, mercury, and cadmium to ensure compliance with pharmaceutical or industrial safety standards. |
| Chloride/Sulfate Impurities | Ion Chromatography (IC) or Turbidimetry | Quantitatively detect inorganic anion impurities to ensure product purity and safety for downstream applications. |
Technical Specifications of 2-Naphthalenethiol
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (by GC) |
| Melting Point | 112–116°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic aromatic odor |
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-Naphthalenethiol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Naphthalenethiol
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Industrial 2-Naphthalenethiol 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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