3,4-Difluoronitrobenzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 369-34-6 |
| Product name | 3,4-Difluoronitrobenzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 3,4-Difluoronitrobenzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-Difluoronitrobenzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-Difluoronitrobenzene
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Key intermediate for synthesizing antitumor agents (e.g., BTK inhibitors) | Nitration and fluorination; fluorination of o-nitroaniline or o-nitrochlorobenzene |
| Agrochemicals | Structural building block for synthesizing fluorinated insecticides and herbicides (e.g., trifluoromethyl aniline derivatives) | Fluorine introduction via reduction–diazotization–fluorination (Schiemann reaction) or direct fluorination |
| Materials Science | Preparation of fluorinated liquid crystal monomers and specialty polymers with high-temperature and corrosion resistance | Condensation polymerization with diamines or dihydric phenols to construct fluorinated rigid backbones |
Manufacturing Quality Control of 3,4-Difluoronitrobenzene
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Using a C18 reversed-phase column, with methanol-water or acetonitrile-water as the mobile phase, and UV detection at 254 nm. The main component content is calculated by external standard method or area normalization. This method has high sensitivity and good repeatability. |
| Purity (Main Component Content) | Gas Chromatography (GC) | Applicable for volatile samples, using capillary columns (e.g., DB-5) and FID detector. Quantitative analysis is performed by calibration with standard substances, suitable for samples without thermal decomposition risk. |
| Impurity Analysis (Organic Impurities) | HPLC-UV / HPLC-MS | After HPLC separation, UV or mass spectrometry detection is used to identify and quantify trace organic impurities (such as monofluoronitrobenzene, difluoroaniline, unreacted raw materials), with MS providing structural confirmation. |
| Moisture Content | Karl Fischer Titration | This method uses an iodine-sulfur dioxide-pyridine-methanol system to quantitatively react with water. Moisture content is determined by potentiometric or coulometric methods, suitable for precise determination of trace moisture (0.001%~100%). |
| Melting Point | Melting Point Apparatus | A digital melting point apparatus is used to determine the melting point range (literature value approximately 58–60°C), used for preliminary assessment of purity and crystalline consistency. |
| Fluorine Content | Oxygen Bomb Combustion-Ion Chromatography / Ion Selective Electrode | The sample is combusted in an oxygen bomb to convert fluorine into fluoride ions, which are then quantified by ion chromatography or fluoride ion selective electrode. This method is used to verify whether the fluorine content in the molecule matches the theoretical value (theoretical F% = 27.7%). |
| Nitro Group Content | UV-Vis Spectrophotometry | Utilizing the characteristic absorption peak of nitrobenzene compounds in the 270–300 nm range, the nitro group content is estimated indirectly by the standard curve method, suitable for rapid screening. |
| Appearance and Color | Visual Inspection + Colorimetric Measurement (APHA) | Observe that the sample is a white to pale yellow crystalline powder. A colorimeter is used to measure the yellow index (YI) or APHA color value to control product color consistency. |
| Solvent Residues | Gas Chromatography - Headspace Method (GC-Headspace) | Analyzing residual solvents (such as toluene, ethanol, DMF) in the production process by headspace GC, meeting the ICH Q3C solvent limits requirements. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, heavy metal content (Pb, Cd, Hg, As, etc.) is measured by AAS or ICP-MS, ensuring compliance with pharmaceutical or electronic-grade raw material standards (e.g., ≤10 ppm). |
Technical Specifications of 3,4-Difluoronitrobenzene
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 14.5–16.5 °C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic aromatic |
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 3,4-Difluoronitrobenzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,4-Difluoronitrobenzene
Packaging of 3,4-Difluoronitrobenzene
Industrial 3,4-Difluoronitrobenzene 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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