4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2320-96-9 |
| Product name | 4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 2320-96-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2320-96-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2320-96-9
| Industry | Application | Process |
|---|---|---|
| Biotechnology | Fluorescent labeling reagent for cell imaging and molecular biology research | Purified after synthesis; formulated into labeling solutions |
| Diagnostics | Fluorescent probe for disease biomarker detection (e.g., enzyme activity assays) | Conjugated to target molecules; detection conditions optimized |
| Materials Science | Photosensitive material component for optoelectronic devices or photoresponsive material development | Incorporated into matrices via doping or covalent bonding |
| Analytical Chemistry | Fluorescent indicator for pH or metal ion detection | Dissolved in buffered systems; response calibrated |
| Dye Industry | Intermediate for synthesizing derivatives (e.g., dichlorofluorescein diacetate) | Derivatization reactions, including esterification and halogenation |
Manufacturing Quality Control of 2320-96-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with reference standard using reversed-phase chromatography and UV detection at ~490 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities (e.g., mono-chloro analogs, fluorescein) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., acetone, ethanol, DMF). |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (Pb, Cd, Hg, As) after acid digestion and plasma emission spectroscopy. |
| Chlorine Content | Potentiometric Titration | Determination of total chlorine via argentometric titration using silver nitrate and potentiometric endpoint detection. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric determination of water content based on iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities (e.g., residual chlorination byproducts) with standardized NaOH using phenolphthalein indicator. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using capillary tube method per USP <741> to assess crystallinity and identity. |
| Residue on Ignition | Gravimetric Analysis | Mass loss after high-temperature ashing (700-800 C) to determine inorganic residue content. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using light scattering principles to obtain D10, D50, D90 values. |
| UV-Vis Absorption Maxima | UV-Vis Spectrophotometry | Verification of lambda-max (approx. 490 nm in alkaline aqueous solution) and spectral profile against reference material. |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after controlled tapping per ASTM D1895 Method A. |
Technical Specifications of 2320-96-9
| Test Item | Specification |
|---|---|
| Appearance | Orange to red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 310-315°C (decomposes) |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Soluble in ethanol, DMSO; slightly soluble in water |
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 2320-96-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 2320-96-9
Industrial 2320-96-9 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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