TRANS-STILBENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 103-30-0 |
| Product name | TRANS-STILBENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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 TRANS-STILBENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRANS-STILBENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRANS-STILBENE
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate | Used to prepare derivatives such as dyes and fluorescent whitening agents |
| Materials Science | Photochromic material research | Serves as a fundamental structural unit for photoresponsive molecular switches |
| Analytical Chemistry | Fluorescent probe or reference standard | Applied in calibration and detection for HPLC or spectroscopic analysis |
| Pharmaceutical R&D | Biologically active molecular scaffold | Used to synthesize derivatives with antitumor or estrogenic activity |
| Academic & Research Education | Teaching example for photochemical reactions | Demonstrates cis–trans isomerization and UV-induced reactions |
Manufacturing Quality Control of TRANS-STILBENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | HPLC-UV | Quantifies trans-stilbene concentration using UV detection at characteristic wavelength with external standard calibration. |
| Related Substances | HPLC-DAD | Detects and quantifies impurities (e.g., cis-stilbene, benzaldehyde, biphenyl) via UV spectral comparison and peak area integration. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating crystalline purity and identity. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration under controlled lighting. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Measures volatile content by weight loss after drying under specified temperature and time conditions. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Quantifies non-volatile inorganic residue after high-temperature combustion and sulfuric acid treatment. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using conductivity detection after aqueous extraction. |
| Heavy Metals | ICP-OES | Simultaneously quantifies Pb, Cd, Hg, As, and other regulated metals after acid digestion and plasma excitation. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration with iodine-based reagent stoichiometry. |
| Organic Volatile Impurities | GC-FID | Identifies and quantifies residual solvents (e.g., toluene, ethanol) using flame ionization detection and retention time matching. |
| Specific Optical Rotation | Polarimetry | Measures optical activity to confirm absence of chiral contaminants and assess enantiomeric purity (though trans-stilbene is achiral, rotation confirms absence of optically active impurities). |
| Particle Size Distribution | Laser Diffraction | Analyzes dry powder size distribution by measuring angular scattering pattern of laser light through dispersed sample. |
Technical Specifications of TRANS-STILBENE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 122–125°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | 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 TRANS-STILBENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TRANS-STILBENE
Packaging of TRANS-STILBENE
Industrial TRANS-STILBENE 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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