4-Amino-2-nitrobenzoic acid Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 610-36-6 |
| Product name | 4-Amino-2-nitrobenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 4-Amino-2-nitrobenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Amino-2-nitrobenzoic acid 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-nitrobenzoic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing azo dyes and acid dyes | Used in diazotization-coupling reactions with aromatic amines or phenolic compounds to prepare azo dyes |
| Pharmaceutical Industry | Intermediate for synthesizing antimicrobial agents (e.g., sulfonamide derivatives) and anti-inflammatory drugs | Applied in multi-step reactions—including reduction, acylation, and cyclization—to construct heterocyclic structures (e.g., benzothiazines) |
| Pesticide Industry | Intermediate for synthesizing herbicides and plant growth regulators | Participates in nucleophilic substitution or condensation reactions to introduce nitro or amino functional groups for modulating biological activity |
| Organic Synthesis | Multifunctional aromatic synthon for constructing nitrogen-containing heterocycles and fused-ring compounds | Employed in structural modification via selective nitro group reduction, amino group protection/deprotection, and carboxyl group derivatization (e.g., esterification, amidation) |
Manufacturing Quality Control of 4-Amino-2-nitrobenzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in a pyridine-methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter, then weighing inorganic residue as percentage of original mass. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms in flame or graphite furnace. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode; endpoint detected by abrupt potential change due to AgCl precipitation. |
| Sulfated Ash | Gravimetric Analysis | Sample charred and ignited with sulfuric acid, then heated to constant weight to determine non-volatile inorganic residue. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measured by observing temperature range at which solid crystalline phase changes to liquid under controlled heating. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using capillary GC with flame ionization detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally similar impurities using HPLC with diode array detection and spectral comparison. |
| Iron Content | Colorimetric Spectrophotometry (1,10-Phenanthroline) | Formation of orange-red Fe(II)-phenanthroline complex measured at 510 nm after reduction and chelation. |
| pH of Aqueous Suspension | Potentiometric Measurement | Measurement of hydrogen ion activity in saturated aqueous suspension using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution in dispersed slurry. |
Technical Specifications of 4-Amino-2-nitrobenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 210–215°C |
| Total Impurities | <=2.0% |
| 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
|
|
Download COA of 4-Amino-2-nitrobenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Amino-2-nitrobenzoic acid
Packaging of 4-Amino-2-nitrobenzoic acid
Industrial 4-Amino-2-nitrobenzoic acid 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply