505-66-8 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 505-66-8 |
| Product name | 505-66-8 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 505-66-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 505-66-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 505-66-8
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of intermediates for antiviral and antibacterial agents | Organic synthesis, condensation reactions |
| Agrochemicals | Synthesis of intermediates for insecticides or fungicides | Condensation, cyclization, and other organic synthesis processes |
| Fine Chemicals | Synthesis of specialty amine compounds | Amination, alkylation, and related reactions |
| Materials Science | Functional monomers or crosslinkers for polymers | Polymerization, crosslinking reactions |
Manufacturing Quality Control of 505-66-8
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | Acid-Base Titration | Utilizes the basic property of piperazine, titrated with standard hydrochloric acid solution, using phenolphthalein or methyl red as indicator to calculate the content of the active ingredient. |
| High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column and UV detector (e.g., 210 nm), with phosphate buffer-methanol as mobile phase, and quantification by external standard method. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Same as above; separates piperazine and its potential impurities (e.g., ethylenediamine, piperazine N-oxide) via gradient elution to assess purity. |
| Water Content | Karl Fischer Titration | Uses an electrochemical reaction to accurately determine water content in samples, suitable for piperazine samples containing crystalline or adsorbed water. |
| Melting Point | Melting Point Determination (Capillary Method) | Sample is packed into a capillary tube and heated in a melting point apparatus; initial and complete melting temperatures are observed to evaluate purity and consistency. |
| Solution Clarity and Color | Visual Comparison / Turbidity Method | Dissolve sample in water and compare with standard color solutions or turbidity standards to assess whether the solution appearance meets specifications. |
| Residual Solvents | Gas Chromatography (GC) | Headspace sampling is used to detect residual organic solvents (e.g., ethanol, acetone, dichloromethane) from the manufacturing process. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, determines levels of heavy metal elements such as lead, cadmium, and mercury to ensure compliance with pharmacopoeial or safety standards. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Method | Sample is dried at a specified temperature until constant weight; the percentage weight loss is calculated to reflect volatile components or moisture content. |
| Sulfated Ash | Sulfated Ash Residue Method | Sample is charred, treated with sulfuric acid, then ignited at high temperature; the residue is weighed to estimate inorganic impurity content. |
Technical Specifications of 505-66-8
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 143-147°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 505-66-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 505-66-8
Packaging of 505-66-8
Industrial 505-66-8 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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