DIANTIPYRYLMETHANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1251-85-0 |
| Product name | DIANTIPYRYLMETHANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 DIANTIPYRYLMETHANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DIANTIPYRYLMETHANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DIANTIPYRYLMETHANE
| Industry | Application | Process |
|---|---|---|
| Analytical Chemistry | Used as a colorimetric reagent for spectrophotometric determination of metal ions such as titanium, iron, and zirconium | Forms colored complexes with metal ions in acidic medium; quantitative analysis performed via absorbance measurement using a spectrophotometer |
| Environmental Monitoring | Used for detection of trace metal contaminants (e.g., titanium, iron) in water | After sample pretreatment, diphenylaminomethane is added for color development, followed by quantitative colorimetric analysis |
| Metallurgical Industry | Used as a reagent for separation and determination of metal elements | Applied in hydrometallurgical processes for selective complexation of specific metals to facilitate separation or titrimetric analysis |
| Research & Education | Used as a teaching and research reagent for complexation-color reaction studies | Demonstrates the mechanism of metal ion–organic reagent color reactions and associated spectral characteristics in laboratory settings |
Manufacturing Quality Control of DIANTIPYRYLMETHANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies main component based on absorbance at characteristic wavelength (e.g., ~360 nm) using Beer-Lambert law with reference standard. |
| Loss on Drying (LOD) | Gravimetric Method (Thermogravimetry) | Measures mass loss after drying at specified temperature (e.g., 105 °C) under controlled conditions, reflecting volatile content including moisture and solvents. |
| Residue on Ignition | Sulfated Ash (Gravimetric) | Determines inorganic impurities by ignition of residue after sulfuric acid treatment at high temperature (700–800 °C). |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals via flame or graphite furnace AAS after acid digestion and chelation; reported as lead equivalent. |
| Chloride Impurity | Potentiometric Titration with AgNO₃ | Measures chloride ions by argentometric titration using silver nitrate and a silver indicator electrode or potentiometric endpoint detection. |
| Sulfate Impurity | Gravimetric Analysis (Barium Sulfate Precipitation) | Determines sulfate as insoluble BaSO₄ precipitate formed after acidification and addition of barium chloride, followed by filtration and weighing. |
| Related Substances (Impurity Profile) | HPLC-UV | Separates and quantifies structurally related impurities using reversed-phase HPLC with UV detection, relative to main peak area. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range at which solid transitions to liquid using calibrated capillary apparatus per pharmacopeial standards (e.g., USP <741>). |
Technical Specifications of DIANTIPYRYLMETHANE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 126–129 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 DIANTIPYRYLMETHANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of DIANTIPYRYLMETHANE
Packaging of DIANTIPYRYLMETHANE
Industrial DIANTIPYRYLMETHANE 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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