China Factory Direct
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| CAS number | 708-25-8 |
| Product name | RARECHEM AL BI 0214 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 |
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| Pharmaceutical Intermediates | Used in the synthesis of fluorinated drug molecules, including anti-inflammatory agents, antimicrobial agents, and central nervous system drug precursors | Employed as an aryl fluoride building block in coupling reactions (e.g., Suzuki, Buchwald–Hartwig) to construct complex molecular frameworks |
| Agrochemical Intermediates | Used in the synthesis of fluorinated active pharmaceutical ingredients (APIs) to enhance biological efficacy and environmental stability | Converted into target agrochemical molecules via hydrolysis, reduction, or nucleophilic substitution |
| Organic Synthesis Reagents | Used as a fluorinated aromatic ester in multistep syntheses to introduce the 2,5-difluorophenyl structural motif | Transformed into carboxylic acids, alcohols, or ketone derivatives via transesterification, Grignard reactions, or transition-metal-catalyzed conversions |
| Materials Science | Used to prepare fluorinated liquid crystal monomers or polymeric materials, improving thermal stability and dielectric properties | Incorporated into main-chain or side-chain structures via condensation polymerization with diols or diamines, or through other polymerization reactions |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and carrier gas. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of impurities by retention time and UV absorbance relative to the main peak. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvent residues are vaporized in a sealed vial and analyzed by GC-FID or GC-MS for identification and quantification. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralization of free acid groups using standardized sodium hydroxide solution with phenolphthalein or potentiometric endpoint detection. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Sample digested and atomized in plasma; metal concentrations determined by element-specific emission line intensities. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column followed by quantitative detection via electrical conductivity of eluted chloride ions. |
| Appearance | Visual Inspection in Standard Light Box | Assessment of physical state, color, and clarity against defined standards under controlled white light illumination. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change using calibrated capillary tube method per USP/EP guidelines. |
| Refractive Index | Abbe Refractometer at 20 C | Measurement of light bending angle at air-sample interface to determine refractive index under temperature-controlled conditions. |
| Specific Optical Rotation | Polarimeter at 20 C | Determination of chiral purity by measuring rotation angle of plane-polarized light passing through a solution of known concentration and path length. |
| Residue on Ignition | Gravimetric Analysis after High-Temperature Ashing | Non-volatile inorganic residue quantified by weight difference before and after ignition at 700-800 C in a muffle furnace. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.515–1.525 |
| Relative Density (20°C/25°C) | 1.170–1.190 g/cm³ |
| Odor | Characteristic ester-like 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.