503-20-8 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 503-20-8 |
| Product name | 503-20-8 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for 503-20-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 503-20-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 503-20-8
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Critical precursor for synthesizing fluorinated pharmaceuticals (e.g., fluoropyrimidine-based antineoplastic agents) | Used to construct fluorinated heterocyclic structures via addition or substitution reactions between fluoroacetonitrile and amines |
| Agrochemical Intermediates | Preparation of fluorinated insecticides and fungicides (e.g., fipronil derivatives) | Acts as both a fluorine source and cyanide donor in nucleophilic substitution or cyclization reactions |
| Organic Synthesis | Production of fluorinated functional molecules such as trifluoroethylamine and fluorinated amides | Undergoes multi-step transformations including hydrolysis, reduction, or reaction with Grignard reagents |
| Materials Science | Synthesis of fluorinated liquid crystal monomers and specialty polymer monomers | Introduces fluorinated side chains via functional group transformation of the cyano group (e.g., hydrogenation, hydrolysis) |
Manufacturing Quality Control of 503-20-8
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID or MS detection | Quantifies fluorocetonitrile content by separation and detection relative to a calibrated standard. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration measuring water via iodine generation proportional to water concentration. |
| Acidity (as HF) | Potentiometric Titration with NaOH | Measures acidic impurities (e.g., residual HF) using pH-sensitive electrode and standardized base. |
| Non-Volatile Residue | Gravimetric Analysis (Evaporation & Weighing) | Determines residue after controlled evaporation of a weighed sample under inert atmosphere. |
| Heavy Metals (Pb, As, Cd, Hg) | ICP-MS | Multi-element quantification of trace metals based on mass-to-charge ratio detection of ionized atoms. |
| Residual Solvents (e.g., Acetonitrile, DCM) | Gas Chromatography (GC) with Headspace Sampling | Separates and quantifies volatile organic impurities using equilibrium vapor phase analysis. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Compares sample color intensity against platinum-cobalt standards in the visible range. |
| Density | Digital Density Meter (Oscillating U-tube) | Measures mass per unit volume via resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index | Digital Refractometer | Determines refractive index by measuring critical angle of total internal reflection at prism-sample interface. |
Technical Specifications of 503-20-8
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | ≥99.0% |
| Water | ≤0.5% |
| Methanol | ≤0.1% |
| Total impurities | ≤0.5% |
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 503-20-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 503-20-8
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Industrial 503-20-8 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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