China Factory Direct
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| CAS number | 4181-05-9 |
| Product name | 4-(N,N-Diphenylamino)benzaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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) |
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 |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for the preparation of dyes, fluorescent probes, and functional materials | Participates in condensation, reduction, or oxidation reactions via its aldehyde group to construct complex molecular frameworks |
| Analytical Chemistry | Applied as a fluorescent reagent or chromogenic agent for detecting metal ions or biomolecules | Forms coordination complexes or adducts with target analytes, resulting in fluorescence or color change |
| Materials Science | Employed as a precursor for synthesizing optoelectronic or nonlinear optical materials | Modifies conjugated structures to enhance material photoreactivity or charge transport performance |
| Biomedical Research | Utilized as a fluorescent labeling reagent or building block for biosensor construction | Conjugated to biomolecules for applications in cellular imaging or molecular recognition studies |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation under controlled white light against standard color references. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Gravimetric (Oven Drying) | Measurement of mass loss after drying at 105 C for 2 hours, indicating volatile impurities or residual solvents. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Mass of non-volatile residue remaining after high-temperature incineration in presence of sulfuric acid. |
| Heavy Metals | AAS (Flame or Graphite Furnace) | Quantification of Pb, Cd, Hg, As, and other regulated metals by atomic absorption spectroscopy after acid digestion. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Residual Solvents (e.g., DMF, Toluene) | GC-FID | Identification and quantification of volatile organic solvents by gas chromatography with flame ionization detection. |
| Related Substances | HPLC-DAD | Detection and quantification of structurally similar impurities using HPLC with diode array detection and peak purity assessment. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration measuring water content via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Acid Value | Acid-Base Titration | Determination of free carboxylic acid groups by titration with standardized NaOH solution using phenolphthalein indicator. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 C using sodium D-line (589 nm) to assess chiral purity or identity. |
| Test Item | Specification |
|---|---|
| Appearance | Light-green solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 128–132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.