2-Chlorothioxanthone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 86-39-5 |
| Product name | 2-Chlorothioxanthone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-Chlorothioxanthone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Chlorothioxanthone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Chlorothioxanthone
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate | Used in the synthesis of the antipsychotic drug chlorprothixene (Taractan) and its derivatives via structural modification and side-chain introduction |
| Agrochemical Industry | Chemical Synthesis Intermediate | Used in the synthesis of specific heterocyclic insecticides or fungicides as a key building block for the thioxanthone scaffold |
| Organic Synthesis | Photoinitiator Raw Material | Used in the synthesis of certain high-efficiency photoinitiators by incorporating reactive functional groups for photopolymerization systems |
| Dyes and Pigments | Functional Dye Intermediate | Leveraging the optical properties of the thioxanthone structure to synthesize sensitizers and dyes for laser technology or photodynamic research |
Manufacturing Quality Control of 2-Chlorothioxanthone
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance and Physical Characteristics | Visual Inspection | Observe the sample's color, physical state, and presence of visible impurities. Typically appears as a pale yellow to yellow crystalline powder. |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase C18 column with mobile phases such as methanol-water or acetonitrile-water. Detection is performed using a UV detector (e.g., at 254 nm), and the main component content is calculated via external standard method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Same HPLC conditions are applied for gradient elution to detect and quantify individual impurity peaks, assessing purity and impurity profile. Typically, individual impurities ≤ 0.5%, total impurities ≤ 1.0%. |
| Melting Point | Capillary Melting Point Determination | Measured using a melting point apparatus; the typical melting range for 2-chlorothiotone is approximately 95–99°C (slight variations may exist depending on literature sources). |
| Moisture Content | Karl Fischer Titration (Karl Fischer Method) | Determined by coulometric or volumetric Karl Fischer titration, suitable for low-level moisture analysis. Generally requires moisture content ≤ 0.5%. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or solution injection to detect organic solvents potentially remaining from production (e.g., toluene, ethanol, acetone), complying with ICH Q3C guidelines. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Method | Sample is incinerated at high temperature, followed by sulfuric acid charring, then re-ignited to constant weight in a muffle furnace to determine inorganic residue. Typically requires ≤ 0.1%. |
| UV Absorption Characteristics | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Sample dissolved in specified solvent (e.g., ethanol or methanol), maximum absorption wavelength (λmax, typically around ~250 nm and ~380 nm) and absorbance are measured for qualitative identification or auxiliary quantification. |
Technical Specifications of 2-Chlorothioxanthone
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to green crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 124–128°C |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm (as Pb) |
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-Chlorothioxanthone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Chlorothioxanthone
Packaging of 2-Chlorothioxanthone
Industrial 2-Chlorothioxanthone 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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