1,2-Ethanedisulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 110-04-3 |
| Product name | 1,2-Ethanedisulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 1,2-Ethanedisulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,2-Ethanedisulfonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,2-Ethanedisulfonic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Preparation of pharmaceutical intermediates (e.g., dipyridamole, a vasodilator) | Used in organic synthesis |
| Chemical Industry | Chelating agent and masking agent for heavy metals | Applied in chemical analysis and electroplating |
| Materials Science | Surface treatment agent and additive in tin plating processes | Used in metal surface treatment |
| Laboratories | Chemical reagent for separation and masking of metal ions | Applied in qualitative and quantitative analysis |
Manufacturing Quality Control of 1,2-Ethanedisulfonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies 1,2-ethanedisulfonic acid by neutralization with standardized NaOH using phenolphthalein or potentiometric endpoint detection. |
| Water Content | Karl Fischer Titration | Measures trace water via iodine-sulfur dioxide redox reaction in a methanol-based reagent system. |
| pH (1% aqueous solution) | pH Meter Measurement | Determines hydrogen ion activity in a standardized aqueous solution at 25 C using calibrated glass electrode. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals after wet digestion by measuring absorbance of ground-state atoms at characteristic wavelengths. |
| Sulfate Impurity | Ion Chromatography (IC) | Separates and quantifies sulfate anion using anion-exchange column and suppressed conductivity detection. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride via argentometric titration using silver nitrate and a silver/silver sulfide indicator electrode. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C and subsequent weighing. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard white background under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents or organic impurities using flame ionization detection. |
| Iron (Fe) Content | ICP-OES | Quantifies iron after acid digestion by measuring atomic emission intensity at characteristic wavelength in inductively coupled plasma. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral centers in solution at specified concentration and wavelength. |
Technical Specifications of 1,2-Ethanedisulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 148-152°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 1,2-Ethanedisulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,2-Ethanedisulfonic acid
Packaging of 1,2-Ethanedisulfonic acid
Industrial 1,2-Ethanedisulfonic 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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