Benzaldehyde-2,4-disulfonic acid disodium salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 33513-44-9 |
| Product name | Benzaldehyde-2,4-disulfonic acid disodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 Benzaldehyde-2,4-disulfonic acid disodium salt
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Benzaldehyde-2,4-disulfonic acid disodium salt Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Benzaldehyde-2,4-disulfonic acid disodium salt
| Industry | Application | Process |
|---|---|---|
| Chemical Analysis | Colorimetric reagent for aldehyde detection | Reacting with aldehydes under alkaline conditions to generate colored products for spectrophotometric determination |
| Dye Industry | Dye intermediate | Participating in coupling reactions to synthesize dyes with specific molecular structures |
| Environmental Monitoring | Detection of aldehyde pollutants in water | Reacting with formaldehyde and other aldehydes to form stable colored compounds for quantitative analysis |
Manufacturing Quality Control of Benzaldehyde-2,4-disulfonic acid disodium salt
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the reaction of iodine with sulfur dioxide in a methanol-pyridine medium. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element trace metal quantification after acid digestion, using plasma excitation and optical emission detection. |
| Sodium Content | Flame Photometry | Measurement of sodium-specific emission intensity in a flame, proportional to concentration in the sample solution. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration using silver nitrate; endpoint detected by potential change from silver indicator electrode. |
| Sulfate Impurity | Gravimetric Analysis | Precipitation as BaSO4 followed by high-temperature ignition and weighing of the dried precipitate. |
| pH of Aqueous Solution | pH Meter Measurement | Direct potentiometric measurement using calibrated glass electrode in a 1% w/v aqueous solution. |
| Residue on Ignition | Gravimetric Analysis | Weight loss on ignition at 700-800 C; residue mass expressed as percentage of original sample. |
| Organic Impurities (Related Substances) | HPLC-DAD | Separation and detection of structurally related compounds using HPLC with diode-array detection and peak area comparison. |
| Iron Content | AAS | Atomic absorption spectroscopy after sample digestion, measuring absorbance at 248.3 nm for Fe. |
| Appearance (Color and Clarity) | Visual Inspection | Comparison against water-white standard in Nessler tubes under controlled daylight or D65 illumination. |
| Bulk Density | Graduated Cylinder Method | Mass of material freely poured into a calibrated cylinder divided by its settled volume. |
Technical Specifications of Benzaldehyde-2,4-disulfonic acid disodium salt
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Identification (NMR) | Consistent with structure |
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 Benzaldehyde-2,4-disulfonic acid disodium salt
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Benzaldehyde-2,4-disulfonic acid disodium salt
Safety Information of Benzaldehyde-2,4-disulfonic acid disodium salt
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Benzaldehyde-2,4-disulfonic acid disodium salt
Industrial Benzaldehyde-2,4-disulfonic acid disodium salt 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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