China Factory Direct
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| CAS number | 29512-46-7 |
| Product name | 6'-(diethylamino)-2'-(phenylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Printing and Recording Materials | Used as a color developer in thermal paper to produce green images or text | Combined with leuco dyes (e.g., fluoran derivatives) to undergo color development upon heating or pressure application |
| Office Automation Equipment | Applied in thermal printing media for fax machines, receipt printers, and similar devices | Localized heating by the print head triggers a chemical reaction, forming visible green marks |
| Label and Ticket Manufacturing | Used to produce thermal recording materials such as supermarket labels, logistics shipping labels, and ATM receipts | A color-developing layer containing TF-G is coated onto the substrate and activated via thermal pressure |
| Packaging and Anti-Counterfeiting | Formulated into thermochromic or piezochromic inks for anti-counterfeiting marks or temperature-indicating labels | Integrated with microencapsulation technology to enable controlled color development response |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based solvent system. |
| Ash Content | Gravimetric Analysis | Residue mass after incineration at 550-600 C in a muffle furnace, expressed as weight percent of original sample. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, using plasma emission spectroscopy calibrated with metal standards. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change. |
| pH of Aqueous Suspension | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) at 25 C. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate volume-based size distribution. |
| Bulk Density | Graduated Cylinder Method | Mass of freely poured sample divided by its settled volume in a standardized cylinder. |
| Thermal Stability (Onset Temp) | TGA | Temperature at which 1% weight loss begins under controlled nitrogen atmosphere, measured by thermogravimetric analysis. |
| Color Value (Gardner Scale) | Visual Comparison or Spectrophotometer | Comparison of solution color intensity (in specified solvent and concentration) against Gardner liquid color standards. |
| Residual Solvents (e.g., Toluene, Xylene) | GC-FID | Separation and quantification using gas chromatography with flame ionization detection, calibrated with solvent standards. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid-to-liquid phase transition occurs, observed visually in capillary tube. |
| Test Item | Specification |
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| Appearance | Green crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-249°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | Not applicable |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.