5-Amino-4-hydroxybenzene-1,3-disulphonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 120-98-9 |
| Product name | 5-Amino-4-hydroxybenzene-1,3-disulphonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty 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 5-Amino-4-hydroxybenzene-1,3-disulphonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Amino-4-hydroxybenzene-1,3-disulphonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Amino-4-hydroxybenzene-1,3-disulphonic acid
| Industry | Application | Process Description |
|---|---|---|
| Dye Industry | Synthesis of azo dyes | Used as a key intermediate in azo dye synthesis for producing acid dyes, direct dyes, and others |
| Pharmaceutical Industry | Drug synthesis intermediate | Applied as a critical intermediate in the synthesis of certain anti-inflammatory and antipyretic analgesic drugs |
| Pesticide Industry | Pesticide synthesis | Employed in constructing the chemical structures of selected herbicides and fungicides |
| Chemical Reagents | Organic synthesis reagent | Utilized as a versatile organic synthesis intermediate in laboratory-scale compound construction |
| Textile Industry | Fiber modification treatment | Applied in chemical modification processes for functional fibers |
| Environmental Monitoring | Analytical reagent | Used in colorimetric analysis for detecting metal ions or specific organic compounds |
Manufacturing Quality Control of 5-Amino-4-hydroxybenzene-1,3-disulphonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750-800 C and weighing residual inorganic ash after complete combustion. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by flame or graphite furnace AAS after acid digestion. |
| Sulfate Impurity | Ion Chromatography (IC) | Separation and quantification of sulfate anion using suppressed conductivity detection. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode to detect endpoint of AgCl precipitation. |
| pH of Aqueous Solution | pH Meter Measurement | Direct measurement of pH in a 1% w/v aqueous suspension using calibrated pH electrode. |
| Organic Impurities (Related Substances) | HPLC-DAD | Detection and semi-quantification of structurally related compounds using HPLC with diode array detection. |
| Iron (Fe) Content | ICP-OES | Multi-element quantification after microwave-assisted acid digestion using inductively coupled plasma optical emission spectrometry. |
| Bulk Density | Graduated Cylinder Method | Measurement of mass per unit volume for freely settled powder in a standardized cylinder. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry or wet dispersed particles. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measured upon heating to 105 C for 2 hours under controlled atmosphere to determine volatile content. |
Technical Specifications of 5-Amino-4-hydroxybenzene-1,3-disulphonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-250°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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-Amino-4-hydroxybenzene-1,3-disulphonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 5-Amino-4-hydroxybenzene-1,3-disulphonic acid
Industrial 5-Amino-4-hydroxybenzene-1,3-disulphonic 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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