(+)-DIBENZOYL-L-TARTARIC ANHYDRIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 64339-95-3 |
| Product name | (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeFood 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) |
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Documents We Provide for (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral synthetic intermediates | Used in the preparation of chiral drugs or intermediates, participating in asymmetric synthesis reactions |
| Pesticides | Pesticide intermediates | Served as a raw material for synthesizing specific pesticide active ingredients |
| Materials Science | Synthesis of specialty functional materials | Applied in the synthesis of optically active or structurally specialized polymeric materials |
| Food Additives | Food-grade chiral anhydrides | Used in the food industry as stabilizers or flavor modifiers |
Manufacturing Quality Control of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Optical Rotation | [alpha]D measurement | Determination of specific rotation at 20 C using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Water Content | Karl Fischer titration | Volumetric or coulometric titration where iodine reacts stoichiometrically with water in a controlled anhydrous medium. |
| Residual Solvents | Gas Chromatography (GC-FID) | Separation and quantification of volatile organic solvents using flame ionization detection with internal standard calibration. |
| Heavy Metals | ICP-OES | Multi-element detection via atomic emission from plasma-excited atoms; total heavy metals reported as Pb equivalent. |
| Chloride Impurity | Ion Chromatography (IC) | Anion separation on a high-capacity column with suppressed conductivity detection for quantitative chloride determination. |
| Sulfated Ash | Gravimetric analysis | Incineration at 500-600 C followed by weighing of non-volatile inorganic residue after sulfuric acid treatment. |
| Related Substances | HPLC with UV detection | Separation and quantification of structurally related impurities using gradient elution and UV absorbance at multiple wavelengths. |
| Melting Point | Capillary melting point apparatus | Thermal transition observation via controlled heating; endpoint defined as the temperature range of complete solid-to-liquid phase change. |
| Appearance | Visual inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting conditions. |
| Residue on Ignition | Gravimetric analysis | Weighing of inorganic residue remaining after ignition at 700-800 C in a muffle furnace. |
| Specific Optical Purity | Chiral HPLC | Enantioseparation on a chiral stationary phase with UV detection to quantify (R)-enantiomer content relative to (S)-enantiomer. |
Technical Specifications of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by NMR) |
| Optical Rotation | +142° to +153° (c=1, in chloroform) |
| Melting Point | 128°C to 132°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
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 (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
Safety Information of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE
Industrial (+)-DIBENZOYL-L-TARTARIC ANHYDRIDE 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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