1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 135861-56-2 |
| Product name | 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial 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 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | Nucleating agent for polypropylene (PP) crystallization, enhancing crystallization rate, degree of crystallinity, stiffness, heat deflection temperature (HDT), and transparency | Blended with PP resin during PP melt extrusion pelletizing or injection molding; typical dosage: 0.05–0.3 wt% |
| Packaging Materials | Improves transparency, gloss, and dimensional stability of BOPP films | Added during the extrusion casting stage of biaxially oriented polypropylene (BOPP) film production; used in conjunction with β-nucleating agents to control crystal phase distribution |
| Automotive Components | Enhances stiffness, heat resistance, and creep resistance of PP-based automotive interior parts (e.g., instrument panels, door panels) | Used with PP/EPDM blend systems; structural parts are produced via injection molding, increasing HDT by 10–15°C |
Manufacturing Quality Control of 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state (e.g., powder, granules), and presence of foreign materials or agglomerates under natural or standard lighting conditions. |
| Melting Point | Differential Scanning Calorimetry (DSC) | Determine the melting temperature by measuring endothermic peaks during heating using DSC; used to assess purity and thermal stability. |
| Purity | High-Performance Liquid Chromatography (HPLC) | Separate sample components via HPLC and quantify the main component using peak area normalization or external standard method to evaluate chemical purity. |
| Moisture Content | Karl Fischer Moisture Titration | Use Karl Fischer titration (volumetric or coulometric method) to accurately measure trace moisture content, ensuring the sample meets required dryness specifications. |
| Ash Content | High-Temperature Ignition Method | Ignite the sample in a high-temperature muffle furnace until constant weight is achieved; calculate the percentage of residual inorganic material to indicate inorganic impurity levels. |
| Particle Size Distribution | Laser Diffraction Analysis | Measure particle size distribution based on laser scattering principles to evaluate powder dispersibility and process applicability. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Monitor sample mass change as a function of temperature or time under controlled heating to determine decomposition temperature and assess thermal stability. |
| Elemental Impurities | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Detect heavy metals or specific elemental impurities (e.g., Pb, As, Cd) using ICP-MS to ensure compliance with safety standards. |
| Infrared Functional Groups | Fourier Transform Infrared Spectroscopy (FTIR) | Obtain infrared absorption spectrum of the sample; compare with reference spectra to confirm molecular structure and identify abnormal functional groups or degradation products. |
| Nucleation Efficiency (Functionality) | Crystallization Behavior Testing in Polypropylene (DSC) | Incorporate HX-3 into a polypropylene matrix and use DSC to measure the increase in crystallization temperature (Tc) to evaluate its actual nucleating effectiveness. |
Technical Specifications of 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
| Test Item | Specification |
|---|---|
| Appearance | White Solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 142-146°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 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
Packaging of 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol
Industrial 1,3:2,4-Bis(3,4-dimethylobenzylideno) sorbitol 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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