Di-p-toluoyl-D-tartaric acid monohydrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 71607-32-4 |
| Product name | Di-p-toluoyl-D-tartaric acid monohydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeFood GradeCosmetic 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 Di-p-toluoyl-D-tartaric acid monohydrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Di-p-toluoyl-D-tartaric acid monohydrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Di-p-toluoyl-D-tartaric acid monohydrate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate | Used in the synthesis of chiral drug intermediates for asymmetric reactions |
| Cosmetics | Stabilizer | Applied as an antioxidant and free-radical scavenger to enhance product stability |
| Biochemistry | Chiral reagent | Employed in chiral resolution and synthesis of chiral compounds |
| Food industry | Food additive | Used as an antioxidant to protect food from oxidative degradation |
| Materials science | Synthesis of chiral materials | Serves as a chiral source in the synthesis of chiral polymers or chiral catalysts |
Manufacturing Quality Control of Di-p-toluoyl-D-tartaric acid monohydrate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 210-230 nm. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine-based reagent to determine total water content based on stoichiometric reaction with water. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element determination of metal impurities (e.g., Pb, Cd, Ni, Fe) after acid digestion via plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using anion-exchange column and suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separation and quantification of sulfate anions using anion-exchange column and suppressed conductivity detection. |
| Optical Rotation | [a]D Measurement | Determination of specific rotation using sodium D-line light source in a polarimeter to confirm chiral integrity and enantiomeric purity. |
| Loss on Drying | Gravimetric Analysis | Mass loss measured after drying under controlled temperature and vacuum, indicating volatile and moisture content. |
| Residue on Ignition | Gravimetric Analysis | Weight of non-volatile inorganic residue remaining after high-temperature ashing, indicating inorganic impurities. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution by measuring angular variation in laser light scattering intensity. |
| Related Substances | HPLC-UV | Identification and quantification of structurally related impurities using gradient reversed-phase HPLC with UV detection. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and absence testing for specified pathogens using standardized culture-based filtration and incubation. |
Technical Specifications of Di-p-toluoyl-D-tartaric acid monohydrate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Optical Rotation | +15.0 to +17.0° (c=1, in methanol) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 Di-p-toluoyl-D-tartaric acid monohydrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Di-p-toluoyl-D-tartaric acid monohydrate
Safety Information of Di-p-toluoyl-D-tartaric acid monohydrate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Di-p-toluoyl-D-tartaric acid monohydrate
Industrial Di-p-toluoyl-D-tartaric acid monohydrate 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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