5-Sulfoanthranilic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3577-63-7 |
| Product name | 5-Sulfoanthranilic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeFood 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 5-Sulfoanthranilic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Sulfoanthranilic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Sulfoanthranilic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing azo dyes and acid dyes | Used in diazotization followed by coupling with aromatic amines to produce colored dyes |
| Pharmaceutical Industry | Used in synthesizing certain antimicrobial agents and pharmaceutical intermediates | Acts as a structural building block in condensation or substitution reactions to construct active molecular frameworks |
| Chemical Reagents | Analytical reagent and organic synthesis intermediate | Processed via sulfonation or amination to prepare other functionalized benzoic acid derivatives |
| Food Additives (Indirect) | Precursor for food dye production (restricted use) | Converted under strictly controlled conditions into approved food colorants, such as certain edible azo dyes |
Manufacturing Quality Control of 5-Sulfoanthranilic acid
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Examine the color and physical state of the sample under natural or standard lighting to determine if it is a white to off-white crystalline powder, and check for impurities, caking, or other abnormalities. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with an appropriate mobile phase (e.g., phosphate buffer-methanol system) for elution. Detect the main peak using a UV detector (around 254 nm) and calculate purity by external standard or area normalization method. |
| Moisture Content | Karl Fischer Titration | Quantitatively determine water content in the sample using Karl Fischer reagent; suitable for accurate moisture analysis of compounds containing polar groups such as sulfonic acid. |
| Melting Point | Melting Point Apparatus | Determine initial and final melting temperatures using an automatic or capillary melting point apparatus; compare with literature values (typically around 230–235 °C with decomposition) to assess purity. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Use HPLC to detect potential impurities such as unreacted starting materials, by-products, or degradation products; evaluate total impurity levels and individual impurity amounts. |
| Sulfonic Acid Group Content | Ion Chromatography (IC) or Titration | Ion chromatography can directly measure free sulfonate ion content; alternatively, use indirect titration methods (e.g., after cation exchange, titrate released H⁺ ions) to verify sulfonic acid group ratio. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After digestion with nitric acid and hydrogen peroxide, measure residual heavy metals such as lead, cadmium, mercury, and arsenic to ensure compliance with pharmacopoeial or customer-specified limits. |
| Sulfated Ash / Residue on Ignition | Gravimetric Method | Weigh the residue remaining after high-temperature ignition of the sample to estimate total inorganic impurities; commonly used in raw material quality control. |
| pH Value (aqueous solution) | pH Meter Measurement | Prepare an aqueous solution of defined concentration (e.g., 1% w/v), and measure acidity or alkalinity using a calibrated pH meter to reflect ionization characteristics of sulfonic acid and amino groups. |
| Solubility | Solubility Test | Observe the sample’s solubility in water, ethanol, acetone, dilute acid, or dilute alkali to verify that its physicochemical properties meet specifications. |
Technical Specifications of 5-Sulfoanthranilic acid
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 225-230 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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-Sulfoanthranilic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Sulfoanthranilic acid
Packaging of 5-Sulfoanthranilic acid
Industrial 5-Sulfoanthranilic 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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