4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI& Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 270573-71-2 |
| Product name | 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI& |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI& Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
| Industry | Application | Process |
|---|---|---|
| Chemical Analysis | Reagent for iron ion detection | Used in colorimetric determination of Fe(II) ions in water samples or solutions; forms a colored complex with ferrous ions, and absorbance is measured spectrophotometrically |
| Water Treatment | Water quality monitoring | Applied as a key reagent for iron content analysis in industrial recirculating cooling water, boiler water, and similar systems to monitor corrosion |
| Laboratory Research | Biochemical and environmental analysis | Employed as a standard reagent in laboratories to develop or validate iron determination methods, suitable for quantitative iron analysis in environmental and biological samples |
Manufacturing Quality Control of 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Water content | Karl Fischer titration | Coulometric or volumetric titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Residual solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., methanol, acetone) using capillary GC with flame ionization detection. |
| Inorganic sulfate | Ion chromatography | Anion exchange separation followed by conductivity detection to quantify sulfate impurity derived from synthesis. |
| Sodium content | ICP-OES | Plasma excitation of sodium atoms and measurement of characteristic emission at 589 nm for quantitative determination. |
| Heavy metals (Pb, Cd, As, Hg) | ICP-MS | Multi-element detection via inductively coupled plasma mass spectrometry with isotope-specific quantification. |
| Chloride content | Potentiometric titration | Titration with silver nitrate using silver indicator electrode to detect endpoint based on AgCl precipitation potential shift. |
| pH (1% aqueous solution) | pH meter measurement | Direct potentiometric measurement using calibrated glass electrode in a standardized aqueous solution at 25 C. |
| Loss on drying | Gravimetric analysis | Weight loss after heating sample at 105 C for 2 hours under controlled atmosphere to determine volatile matter. |
| Related substances | HPLC-DAD | Identification and quantification of structurally related impurities using HPLC with diode array detection and spectral library matching. |
| Particle size distribution | Laser diffraction | Size analysis based on angular scattering intensity of laser beam passing through dispersed sample in liquid medium. |
| Microbial contamination | Membrane filtration | Quantitative recovery of viable microorganisms from solution via filtration, followed by culture on selective agar media. |
Technical Specifications of 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Melting Point | 245–250 °C (decomposes) |
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 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI&
Industrial 4 5-DIHYDROXY-1 3-BENZENEDISULFONIC ACI& 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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