China Factory Direct
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| CAS number | 36589-58-9 |
| Product name | 1,3-PROPANEDISULFONIC ACID DISODIUM SALT |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Intermediate for surfactant synthesis | Produced via sulfonation of 1,3-propanediol followed by neutralization |
| Detergents & Cleaners | Formulated into low-foaming, high-cleaning-efficiency detergent products | Used as an anionic surfactant in aqueous systems to enhance emulsification and dispersion |
| Textile Industry | Dyeing auxiliary and leveling agent | Improves uniform dye distribution during dyeing and reduces unfixed dye |
| Leather Processing | De-greasing agent and wetting agent | Reduces surface tension to facilitate chemical penetration and improve processing efficiency |
| Pesticide Formulations | Emulsifier or dispersant for pesticide formulations | Enhances aqueous dispersion stability of insoluble pesticides, improving efficacy |
| Oilfield Chemicals | Additive for drilling fluids | Improves rheology and stability of drilling mud and prevents sedimentation |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies active ingredient by titration with standardized NaOH using phenolphthalein indicator; based on neutralization of sulfonic acid groups after hydrolysis. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric reaction between water and iodine in pyridine/methanol-based reagent. |
| Sodium Content | Flame Photometry | Measures sodium ion emission intensity at characteristic wavelength (589 nm) in atomized sample solution. |
| Heavy Metals (as Pb) | Colorimetric Limit Test (with Thioacetamide) | Forms colored metal sulfide complexes under controlled pH; compared visually or spectrophotometrically against lead standard. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride ions by silver nitrate titration using silver indicator electrode; endpoint determined by potential inflection. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as BaSO4 under acidic conditions, followed by filtration, drying, and weighing. |
| pH (1% aqueous solution) | pH Meter Measurement | Measures hydrogen ion activity in standardized 1% w/v aqueous solution at 25 C using calibrated glass electrode. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by ignition of dried sample at 700-800 C and weighing residual residue. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents or volatile organics using capillary column and flame ionization detection. |
| Appearance and Color | Visual Inspection and Hazen (APHA) Scale | Assesses physical state and color intensity by comparison to platinum-cobalt standards under controlled lighting. |
| Solubility in Water | Qualitative Solubility Test | Evaluates complete dissolution of specified amount in distilled water at 20 C with gentle agitation for 5 minutes. |
| Iron Impurity | UV-Vis Spectrophotometry (after 1,10-Phenanthroline complexation) | Measures absorbance of orange-red Fe(II)-phenanthroline complex at ~510 nm; proportional to iron concentration. |
| 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% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Freely soluble in water; practically insoluble in ethanol and acetone |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.