4-Amino-3,5-diiodobenzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2122-61-4 |
| Product name | 4-Amino-3,5-diiodobenzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeReagent 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) |
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Documents We Provide for 4-Amino-3,5-diiodobenzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Amino-3,5-diiodobenzoic 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-3,5-diiodobenzoic acid
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceutical Industry | Synthesis of iodinated contrast agents | Serves as a key intermediate in the synthesis of X-ray contrast agents, such as iopamidol |
| Pharmaceutical Industry | Synthesis of antithyroid drugs | Used as a starting material for synthesizing antithyroid drugs, such as methimazole |
| Chemical Research | Organic synthesis intermediate | Employed to construct iodinated aromatic compounds and participates in coupling, acylation, and related reactions |
| Materials Science | Functional material preparation | Applied as a monomer or dopant in the preparation of conductive polymers or optoelectronic materials |
| Pesticide Industry | Synthesis of fungicides/herbicides | Acts as a precursor for iodinated organic compounds in pesticide molecule construction |
Manufacturing Quality Control of 4-Amino-3,5-diiodobenzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities (e.g., mono-iodo analogs, dehalogenated products) via gradient HPLC separation and UV response. |
| Residual Solvents | GC-FID | Identifies and quantifies volatile organic solvents (e.g., DMF, methanol, toluene) using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Measures total elemental metal content (e.g., Pb, Cd, Ni, Fe) after acid digestion by optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Moisture Content | Karl Fischer Titration | Determines water content volumetrically via iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid, indicating purity and identity. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against established reference standards. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration followed by weighing of residual residue. |
| Acid Value | Acid-Base Titration | Quantifies carboxylic acid functionality by titration with standardized NaOH solution using phenolphthalein indicator. |
| Iodine Content | Oxidative Hydrolysis followed by Iodometric Titration | Releases iodide ions via alkaline hydrolysis, then determines total iodine by iodometric back-titration with sodium thiosulfate. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of dry powder using angular scattering pattern of laser light through dispersed sample. |
Technical Specifications of 4-Amino-3,5-diiodobenzoic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 248-252°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-3,5-diiodobenzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 4-Amino-3,5-diiodobenzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-Amino-3,5-diiodobenzoic acid
Industrial 4-Amino-3,5-diiodobenzoic 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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