1,3-PROPANEDIOL DI-P-TOLUENESULFONATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5469-66-9 |
| Product name | 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeElectronic 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 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate synthesis | Used as an organic synthesis intermediate for preparing antiviral drugs or active pharmaceutical ingredients |
| Chemicals | Crosslinking agent | Applied as a crosslinking agent in polymer material modification to enhance thermal resistance and mechanical properties |
| Coatings | Curing accelerator | Used in coating systems such as epoxy resins to accelerate the curing reaction |
| Electronics | Photoresist additive | Applied as an auxiliary photosensitive component in semiconductor photolithography processes |
Manufacturing Quality Control of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantifies main component using reverse-phase chromatography and UV absorbance at characteristic wavelength. |
| Water Content | Karl Fischer titration | Measures water by coulometric or volumetric reaction between water and iodine in a controlled electrochemical or chemical titration. |
| Residual Solvents | Gas Chromatography (GC) with FID | Separates and quantifies volatile organic solvents based on retention time and flame ionization response. |
| Heavy Metals (as Pb) | ICP-OES | Determines total heavy metal content via atomic emission spectroscopy after acid digestion and plasma excitation. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and detects chloride anions using suppressed conductivity detection after ion exchange separation. |
| Sulfonate Content | Acid-Base Titration | Quantifies sulfonate groups via back-titration of excess standardized base after alkaline hydrolysis. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Evaluates physical state and color intensity by comparison to standard platinum-cobalt solutions under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Related Substances | HPLC with UV detection | Identifies and quantifies structurally related impurities using gradient elution and peak area comparison against reference standards. |
Technical Specifications of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 124–128°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 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
Safety Information of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE
Industrial 1,3-PROPANEDIOL DI-P-TOLUENESULFONATE 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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