China Factory Direct
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| CAS number | 452-67-5 |
| Product name | 2,5-Difluorotoluene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
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 |
|---|---|---|
| Pharmaceuticals | Key intermediate in the synthesis of pharmaceutical molecules (e.g., antibiotics, anti-inflammatory agents) for introducing the difluoromethylphenyl moiety | Used as a raw material in coupling, fluorination, and condensation reactions |
| Agrochemicals | Intermediate in the manufacture of herbicides and insecticides, employed to construct fluorinated phenyl ring systems in active ingredients | Introduced via electrophilic substitution, acylation, and related synthetic steps |
| Materials Science | Monomer or modifier for synthesizing liquid crystal materials and polymeric materials, enhancing thermal stability and chemical inertness | Participates in polymerization reactions as a monomer or is incorporated into polymer chains via functional group modification |
| Organic Synthesis | General fluorinated aromatic building block used in cross-coupling and nucleophilic substitution reactions to prepare complex fluorinated compounds | Subjected to Suzuki, Negishi, and other coupling reactions or fluorination modifications under catalytic conditions |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard using a polar or mid-polarity capillary column. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric or indicator-based endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Sample is ignited at 700-800 C to volatilize organic matter; residual inorganic ash is weighed after cooling in a desiccator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness intensity by comparing sample absorbance at 430 nm to APHA color standards or platinum-cobalt scale. |
| Density at 20 C | Digital Density Meter | Determination via oscillating U-tube principle, where density is calculated from the resonant frequency of a filled glass tube. |
| Refractive Index at 20 C | Refractometry | Measurement of light refraction angle at air-sample interface using calibrated Abbe refractometer or digital equivalent. |
| Non-Volatile Residue | Evaporation and Gravimetry | Sample is evaporated to dryness under controlled temperature and nitrogen flow; residue mass is determined gravimetrically. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion, using flame or graphite furnace AAS with appropriate calibration. |
| Chlorinated Impurities (e.g., o-chlorotoluene) | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation by GC followed by identification and quantification of chlorinated aromatic impurities using mass spectral libraries and SIM mode. |
| Boiling Range | Distillation (ASTM D1078) | Determination of initial and final boiling points using micro-distillation apparatus under specified pressure and heating rate. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating presence of chiral contaminants (though 2,5-difluorotoluene is achiral, used for trace enantiomeric impurities). |
| Test Item | Specification |
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| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.465–1.470 |
| Relative Density (20°C/25°C) | 1.110–1.120 g/cm³ |
| Odor | Characteristic aromatic odor |
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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.