China Factory Direct
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| CAS number | 83857-96-9 |
| Product name | 2-Butyl-4-chloro-5-formylimidazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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) |
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 | Intermediate in the synthesis of antifungal agents (e.g., ketoconazole) | Chemical synthesis, condensation reaction |
| Pesticides | Raw material for preparing fungicides or plant growth regulators | Catalytic reaction, functional group modification |
| Materials Science | Ligand for synthesizing metal–organic frameworks (MOFs) | Solvothermal synthesis, coordination-driven self-assembly |
| Research & Development | Chelating agent or analytical reagent for metal ion detection | Fluorescent labeling, spectroscopic analysis |
| Test Item | Common Testing Methods | Method Overview |
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| Content Assay | High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase C18 column with aqueous-methanol or aqueous-acetonitrile mobile phases for gradient or isocratic elution. Detection is performed using a UV detector (e.g., 254 nm), with quantification by external or internal standard method for imidazole aldehyde content. |
| Purity Analysis | Gas Chromatography (GC) | Applicable to derivatives with good volatility. Samples are derivatized (e.g., oximation or silylation), separated on a capillary column, and detected using an FID detector to evaluate main component and impurity peaks. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Uses ¹H-NMR and ¹³C-NMR for structural identification of imidazole aldehyde. Characteristic peaks (e.g., aldehyde proton at ~9–10 ppm, imidazole ring protons at 7–8 ppm) confirm molecular structure. |
| Impurity Detection | Ultra-Performance Liquid Chromatography-Mass Spectrometry (UPLC-MS) | Combines high separation efficiency with mass spectrometric detection to identify and characterize trace organic impurities, degradation products, or synthetic by-products, suitable for related substances analysis. |
| Water Content | Karl Fischer Titration (KF) | Employs coulometric or volumetric Karl Fischer reagent to accurately determine water content in the sample, ensuring the raw material meets required dryness specifications. |
| Residual Solvents | Gas Chromatography (GC) | According to pharmacopoeial guidelines for residual solvents, headspace-GC is used to detect common solvents such as methanol, ethanol, and dichloromethane. |
| Crystalline Form / Physical Form | Differential Scanning Calorimetry (DSC) and X-Ray Diffraction (XRD) | DSC analyzes melting point and thermal behavior; XRD determines the presence of polymorphs or amorphous forms, suitable for solid-state quality control. |
| pH Value | pH Meter Measurement | The imidazole aldehyde is dissolved in water at a specified concentration (e.g., 0.1% w/v), and the pH of the solution is measured using a calibrated pH meter to assess acidity or basicity. |
| Heavy Metal Residue | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, heavy metal elements such as lead, cadmium, mercury, and arsenic are detected to ensure compliance with safety standards for pharmaceuticals or chemicals. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Melting Point | 72-76°C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.