4-Amino-2-nitrophenol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119-34-6 |
| Product name | 4-Amino-2-nitrophenol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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-Amino-2-nitrophenol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Amino-2-nitrophenol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Amino-2-nitrophenol
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate in azo and sulfur dye synthesis | Integrated into dye molecules via diazotization, coupling, and related reactions |
| Pharmaceutical Industry | Serves as a synthetic intermediate for certain pharmaceuticals (e.g., paracetamol derivatives) | Participates in the preparation of active pharmaceutical ingredients through reduction, acetylation, and related steps |
| Analytical Chemistry | Employed as a colorimetric reagent or analytical reagent | Applied in colorimetric or spectrophotometric methods for detection of metal ions or specific functional groups |
| Pesticide Industry | Functions as an intermediate in certain herbicides or fungicides | Contributes to construction of pesticide active molecular frameworks via substitution, condensation, and related reactions |
Manufacturing Quality Control of 4-Amino-2-nitrophenol
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible impurities under natural or standard lighting. Typically appears as a yellow to yellowish-brown crystalline powder. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column and a UV detector (e.g., 254 nm), with methanol-water or a buffer solution as the mobile phase. Quantification is performed using an external standard method. |
| Purity / Impurity Analysis | HPLC Method | Detects organic impurities (such as unreacted starting materials, by-products, etc.) via HPLC. Individual impurity peak areas are calculated to assess total impurity levels. |
| Moisture Content | Karl Fischer Titration | Uses a KF titrator to accurately determine moisture content in the sample. Suitable for trace moisture detection, ensuring product stability. |
| Melting Point | Capillary Melting Point Method | Determine the initial and final melting temperatures using a melting point apparatus to evaluate purity and consistency. The melting point of 2-nitro-4-aminophenol is approximately 160–163 °C (reference from literature). |
| Heavy Metals | Sulfide Colorimetry or Atomic Absorption Spectroscopy (AAS) | Sample is processed according to pharmacopoeial methods to detect residual heavy metals such as lead, arsenic, and mercury, ensuring compliance with safety limits. |
| Residual Solvents | Gas Chromatography (GC) | Using headspace or direct solution injection, detects organic solvents possibly remaining from manufacturing processes (e.g., methanol, ethanol, acetone). |
| pH Value (Solution) | pH Meter Method | Measure the acidity or alkalinity of an aqueous (or suitable solvent) solution of the sample at a defined concentration using a pH meter to assess solubility and stability. |
| Particle Size Distribution | Laser Diffraction Analysis | For powdered products, use a laser particle size analyzer to determine particle size distribution, which affects solubility and performance in downstream applications. |
| Infrared Spectral Identification (IR) | Fourier Transform Infrared Spectroscopy (FT-IR) | Record infrared spectrum using KBr pellet or ATR technique, then compare with reference spectrum to confirm consistency of characteristic molecular absorption peaks. |
Technical Specifications of 4-Amino-2-nitrophenol
| Test Item | Specification |
|---|---|
| Appearance | Yellow to brown crystalline powder |
| Purity | >=98.5% |
| Melting Point | 148°C - 152°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 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 4-Amino-2-nitrophenol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Amino-2-nitrophenol
Packaging of 4-Amino-2-nitrophenol
Industrial 4-Amino-2-nitrophenol 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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