China Factory Direct
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| CAS number | 53661-18-0 |
| Product name | 4-Ethylphenylhydrazine hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial 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 |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Used in the preparation of antiviral or antibacterial agents |
| Agrochemical Industry | Preparation of agrochemical intermediates | Applied in the synthesis of insecticides or fungicides |
| Dye Industry | Synthesis of dye intermediates | Involved in azo dye synthesis reactions |
| Chemical Research | Laboratory reagent | Used as a research reagent in organic synthesis |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to calibrated standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities by HPLC separation and UV response relative to main peak. |
| Residual Solvents | GC-FID | Identifies and quantifies volatile organic solvents using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration based on iodine consumption in pyridine/methanol buffer. |
| Heavy Metals | ICP-OES | Measures total heavy metal content (e.g., Pb, Cd, Hg, As) after acid digestion via atomic emission spectroscopy. |
| Chloride Impurity | Potentiometric Titration | Quantifies chloride ions using silver nitrate titrant with silver indicator electrode detecting endpoint potential shift. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in a 1% w/v aqueous suspension using calibrated glass electrode pH meter. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using controlled heating and visual observation. |
| Loss on Drying | Gravimetric Method | Measures mass loss after drying sample at 105 C for 2 hours under vacuum or nitrogen flow. |
| Appearance | Visual Inspection | Evaluates physical state, color, and presence of foreign particles against established reference standards under controlled lighting. |
| Residue on Ignition | Gravimetric Ashing | Quantifies non-volatile inorganic residue after incineration at 600 C followed by weighing of cooled crucible. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light by chiral molecules in solution using sodium D-line at specified concentration and path length. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 172-176°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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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.