4-Nitrophenylhydrazine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 636-99-7 |
| Product name | 4-Nitrophenylhydrazine 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) |
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Documents We Provide for 4-Nitrophenylhydrazine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Nitrophenylhydrazine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Nitrophenylhydrazine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of the anti-tuberculosis drug isoniazid | Condensed and cyclized with isonicotinic acid, followed by reduction and diazotization to produce isoniazid |
| Agrochemicals | Intermediate for insecticides and fungicides | Used to construct hydrazide-containing heterocyclic structures, such as side-chain modification in triazole fungicides |
| Dyes | Intermediate for azo dyes and fluorescent brighteners | Acts as a diazo component in coupling reactions with aromatic amines to form colored azo compounds |
| Analytical Chemistry | Colorimetric reagent for metal ions (e.g., Fe³⁺, Cu²⁺, Ni²⁺) | Forms stable colored complexes with metal ions in weakly acidic media for colorimetric quantitative analysis |
| Organic Synthesis | Building block for hydrazone derivatives and heterocyclic compounds (e.g., 1,3,4-oxadiazoles, triazoles) | Condenses with aldehydes or ketones to form hydrazones, which undergo cyclization, oxidation, and other reactions to yield target heterocycles |
Manufacturing Quality Control of 4-Nitrophenylhydrazine hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 300-320 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with sulfur dioxide in the presence of water and base. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic impurities by weighing residue after high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals after acid digestion, based on element-specific atomic emission intensities. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Related Substances | HPLC-DAD | Separation and identification of structurally similar impurities using gradient HPLC with diode-array detection for spectral confirmation. |
| pH (1% aqueous solution) | pH Meter Measurement | Direct potentiometric measurement of hydrogen ion activity in a standardized aqueous suspension/solution. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary tube method per USP <741>. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Sulfated Ash | Gravimetric Analysis | Weight measurement of residue after incineration with sulfuric acid treatment to convert metals to sulfates. |
| Iron (Fe) Content | AAS | Quantification of iron by atomic absorption spectroscopy after acid digestion and dilution, using Fe-specific hollow cathode lamp. |
| Appearance (Color and State) | Visual Inspection | Assessment of physical characteristics including color, crystallinity, and absence of foreign particles under controlled white light. |
Technical Specifications of 4-Nitrophenylhydrazine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Brown crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 194-198 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 4-Nitrophenylhydrazine hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Nitrophenylhydrazine hydrochloride
Safety Information of 4-Nitrophenylhydrazine hydrochloride
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-Nitrophenylhydrazine hydrochloride
Industrial 4-Nitrophenylhydrazine hydrochloride 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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