2-Nitrophenylhydrazine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6293-87-4 |
| Product name | 2-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 2-Nitrophenylhydrazine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Nitrophenylhydrazine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Nitrophenylhydrazine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Intermediate in the synthesis of the anti-tuberculosis drug isoniazid | Reacted with isonicotinic acid to form a cyclic compound, followed by hydrolysis, diazotization, and reduction to yield isoniazid |
| Agrochemical Intermediates | Precursor for heterocyclic compounds used in insecticides and fungicides | Used to construct nitrogen-containing heterocyclic structures such as triazoles and oxadiazoles |
| Analytical Chemistry | Derivatization reagent for qualitative and quantitative analysis of aldehydes and ketones | Reacts with aldehydes/ketones under mildly acidic conditions to form hydrazone derivatives, facilitating chromatographic or spectroscopic detection |
| Dye Industry | Intermediate in the synthesis of azo dyes and fluorescent whitening agents | Acts as either a diazo component or coupling component in azo coupling reactions to introduce hydrazide functionality |
Manufacturing Quality Control of 2-Nitrophenylhydrazine hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at ~300 nm, comparing peak area against a certified reference standard. |
| Loss on Drying (LOD) | Gravimetric Thermogravimetry | Mass loss measured after drying at 105 °C under vacuum or nitrogen until constant weight, reflecting volatile impurities and residual solvents. |
| Residual Solvents (e.g., Ethanol, Acetone) | GC-FID | Separation and quantification of low-boiling organic solvents by gas chromatography with flame ionization detection using a polar capillary column. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals (e.g., Pb, Cd, Ni, Fe) after acid digestion, based on element-specific atomic emission intensities. |
| Chloride Impurity (Cl⁻) | Potentiometric Titration with AgNO₃ | Direct titration with standardized silver nitrate solution; endpoint detected by silver-selective electrode measuring abrupt potential change upon AgCl precipitation. |
| pH (1% aqueous suspension) | pH Potentiometry | Measurement of hydrogen ion activity in a saturated aqueous suspension using calibrated pH electrode and temperature-compensated meter. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the solid-to-liquid phase change, indicating purity and identity via sharpness and conformity to literature value (~228–230 °C decomp). |
| Related Substances (Impurity Profile) | HPLC-UV (with gradient elution) | Separation and relative quantification of structurally related impurities (e.g., 2-nitroaniline, hydrazine derivatives) using validated gradient HPLC method. |
| Sulfated Ash | Gravimetric Sulfate Ash Test | Residue mass after incineration at 600–700 °C following sulfuric acid treatment, indicating inorganic non-volatile contaminants. |
| Water Content (Karl Fischer) | Coulometric Karl Fischer Titration | Electrochemical generation and reaction of iodine with water in anhydrous methanol-based medium; quantified by total charge consumed. |
| Appearance and Color | Visual Inspection & APHA Color Scale | Subjective assessment of crystalline form and color intensity compared to platinum-cobalt standard solutions (e.g., ≤50 APHA for acceptable batches). |
Technical Specifications of 2-Nitrophenylhydrazine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 192–196 °C |
| Water Content (KF) | <=0.5% |
| 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 2-Nitrophenylhydrazine hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Nitrophenylhydrazine hydrochloride
Safety Information of 2-Nitrophenylhydrazine hydrochloride
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-Nitrophenylhydrazine hydrochloride
Industrial 2-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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