5-Hydroxy-4-methoxy-2-nitrobenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 31839-20-0 |
| Product name | 5-Hydroxy-4-methoxy-2-nitrobenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Hydroxy-4-methoxy-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 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in synthesizing precursors for antibacterial and anti-inflammatory drugs | Constructs active molecular scaffolds via esterification, amidation, and related reactions |
| Dye Industry | Serves as a structural building block for azo dyes and functional dyes | Participates in diazotization-coupling reactions to introduce nitro or hydroxyl chromophores |
| Organic Synthesis | Key intermediate for constructing polysubstituted benzene derivatives | Enables functional group transformations via nitro group reduction, hydroxyl protection/deprotection, and related strategies |
| Materials Science | Ligand for synthesizing photosensitive materials or coordination polymers | Coordinates with metal ions via carboxyl groups or participates in condensation polymerization to form polymers |
Manufacturing Quality Control of 5-Hydroxy-4-methoxy-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. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and relative response factors. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., methanol, acetone, ethyl acetate) per ICH Q3C guidelines. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, Hg, As, and others by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous extract; quantified against sodium chloride calibration standards. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-750 C followed by weighing of non-volatile inorganic residue after sulfuric acid treatment. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine water content based on stoichiometric reaction. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid-to-liquid phase transition occurs, using calibrated digital melting point instrument. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated glass electrode pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via laser diffraction to obtain D10, D50, D90 values based on Mie scattering theory. |
| Organic Volatile Impurities (OVI) | GC-MS | Targeted and untargeted screening of volatile organic impurities using gas chromatography-mass spectrometry with library matching. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light source to assess chiral purity and absence of racemization. |
Technical Specifications of 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (LC-MS) |
| Melting Point | 178–182°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 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
Safety Information of 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5-Hydroxy-4-methoxy-2-nitrobenzoic acid
Industrial 5-Hydroxy-4-methoxy-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.
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