2,4-Dinitrobenzaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 528-75-6 |
| Product name | 2,4-Dinitrobenzaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 2,4-Dinitrobenzaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,4-Dinitrobenzaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,4-Dinitrobenzaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate for synthesizing antimalarial drugs chloroquine and hydroxychloroquine | Reacted with 4-amino-2-phenylethanol via condensation and cyclization, followed by reduction and diazotization to produce chloroquine |
| Dye Industry | Synthetic intermediate for azo dyes and reactive dyes | Acts as a diazo component in diazo-coupling reactions to yield red or orange azo dyes |
| Pesticide R&D | Structural modification unit for novel insecticides and plant growth regulators | Used to construct biologically active molecules containing nitroaromatic aldehyde scaffolds, such as nitrobenzaldehyde derivative insect antifeedants |
| Organic Synthesis | Bifunctional building block for introducing both aldehyde and nitro functional groups in multistep syntheses | Participates in Knoevenagel condensation, Wittig reaction, reductive amination, and selective nitro group reduction |
Manufacturing Quality Control of 2,4-Dinitrobenzaldehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation against a white background under controlled lighting. |
| Melting Point | Capillary Melting Point Determination | Thermal transition measured using calibrated capillary apparatus; onset and clear point recorded per USP <741>. |
| Loss on Drying | Gravimetric Analysis (105 C, 2 h) | Mass loss after drying under specified temperature and time, indicating volatile impurities and residual solvents. |
| Residue on Ignition | Sulfated Ash Test | Residue mass after high-temperature incineration in presence of sulfuric acid, reflecting inorganic impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals | AAS (Lead, Cadmium, Mercury, Arsenic) | Atomic absorption spectroscopy after acid digestion to determine total heavy metal content per ICH Q3D. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using diode-array detection and retention time comparison. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water content. |
| Acid Value | Acid-Base Titration (NaOH, phenolphthalein) | Neutralization of acidic impurities with standardized sodium hydroxide solution, calculated as mg KOH/g sample. |
| Organic Volatile Impurities | GC-FID | Headspace or direct injection GC with flame ionization detection for residual solvents (e.g., methanol, acetone, DMF). |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser scattering to determine D10, D50, D90 values per ISO 13320. |
Technical Specifications of 2,4-Dinitrobenzaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Pale-brown crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 71.0–73.0°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 2,4-Dinitrobenzaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,4-Dinitrobenzaldehyde
Packaging of 2,4-Dinitrobenzaldehyde
Industrial 2,4-Dinitrobenzaldehyde 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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