1-Naphthalenesulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 85-46-1 |
| Product name | 1-Naphthalenesulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 1-Naphthalenesulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Naphthalenesulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Naphthalenesulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates for antimalarial and anti-inflammatory agents | Used as a sulfonylation reagent in the construction of drug molecules |
| Dyes | Intermediate for synthesizing azo and anthraquinone dyes | Condenses with aromatic amines to form sulfonamide structures, followed by coupling to produce dyes |
| Pesticides | Intermediate for synthesizing insecticides and herbicides | Introduces the sulfonyl chloride group into the active molecular scaffold to enhance biological activity |
| Analytical Chemistry | Derivatization reagent for detection and quantification of amine compounds | Reacts with primary or secondary amines to generate stable sulfonamide derivatives suitable for chromatographic or spectroscopic analysis |
| Organic Synthesis | General sulfonylation reagent for introducing the 1-naphthylsulfonyl group | Reacts with nucleophiles such as alcohols and amines under basic conditions to yield corresponding sulfonate esters or sulfonamides |
Manufacturing Quality Control of 1-Naphthalenesulfonyl chloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (1-Naphthalenesulfonyl chloride content) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water in the sample. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Titration of liberated HCl from hydrolysis using standardized sodium hydroxide solution and potentiometric or indicator endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 750 C to constant weight and measuring non-volatile inorganic residue as mass percentage. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms in flame or graphite furnace. |
| Iron (Fe) Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Element-specific quantification after microwave-assisted acid digestion by measuring characteristic atomic emission lines. |
| Appearance (Color and Clarity) | Visual Inspection against Standard Color Scale | Comparison of molten or solution state sample to platinum-cobalt color standards under controlled lighting and temperature. |
| Melting Point | Capillary Melting Point Determination | Measurement of temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Organic Impurities (related substances) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally related compounds (e.g., 1-naphthol, naphthalene) using reversed-phase C18 column and UV absorbance at 254 nm. |
| Chloride Ion (free Cl-) | Potentiometric Titration with AgNO3 | Titration with silver nitrate using silver indicator electrode to detect endpoint via abrupt potential change due to AgCl precipitation. |
| Sulfate Content | Barium Sulfate Gravimetric Method | Precipitation of sulfate as BaSO4 after removal of interfering ions, followed by ignition and weighing of dried precipitate. |
| Volatile Organic Impurities (residual solvents) | Gas Chromatography (GC) with Headspace Sampling | Headspace GC-FID analysis for common solvents (e.g., toluene, chlorobenzene) using calibrated external standards. |
Technical Specifications of 1-Naphthalenesulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (by GC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 69-73°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (IR) | Conforms to reference spectrum |
| 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-Naphthalenesulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Naphthalenesulfonyl chloride
Safety Information of 1-Naphthalenesulfonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1-Naphthalenesulfonyl chloride
Industrial 1-Naphthalenesulfonyl chloride 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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