(-)-Dimethyl D-tartrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13171-64-7 |
| Product name | (-)-Dimethyl D-tartrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 (-)-Dimethyl D-tartrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (-)-Dimethyl D-tartrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (-)-Dimethyl D-tartrate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Chiral resolving agent for preparing chiral drug intermediates (e.g., β-blockers, antibiotics) | Used as a chiral auxiliary in chiral resolution to separate racemates via formation of diastereomeric salts |
| Organic Synthesis | Chiral ligand precursor for asymmetric synthesis reactions | Hydrolyzed and derivatized to generate chiral diol or diamine ligands, applied in asymmetric epoxidation, dihydroxylation, and related reactions |
| Materials Science | Synthetic intermediate for liquid crystal monomers and chiral dopants | Participates in condensation or transesterification reactions to construct liquid crystal molecular backbones with chiral architecture |
Manufacturing Quality Control of (-)-Dimethyl D-tartrate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component using retention time and peak area against certified reference standard. |
| Specific Optical Rotation | [alpha]D Measurement using Polarimetry | Measures rotation of plane-polarized light induced by chiral molecules in solution at specified concentration and path length. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Separates and quantifies volatile organic solvents based on partitioning into headspace gas phase and GC retention. |
| Heavy Metals | ICP-OES (Inductively Coupled Plasma - Optical Emission Spectrometry) | Atomizes and excites sample in plasma; detects metal-specific emission wavelengths for multi-element quantification. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separates anions on ion-exchange column and quantifies chloride via conductivity response relative to calibration standards. |
| Sulfated Ash | Gravimetric Analysis after High-Temperature Incineration | Residue mass measured after combustion at 700-800 C in presence of sulfuric acid to convert metals to sulfates. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralizes free carboxylic acid groups using standardized sodium hydroxide; endpoint detected potentiometrically or with phenolphthalein. |
| Appearance (Color and Clarity) | Visual Inspection against Standard Solutions (e.g., APHA scale) | Compares sample color and turbidity to reference platinum-cobalt solutions under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range over which solid transitions to liquid, indicating purity and identity via sharpness and agreement with literature value. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separates and quantifies structurally related impurities using reversed-phase column and UV absorbance at selected wavelength. |
| Residual Methanol | Gas Chromatography (GC) with FID detection | Quantifies methanol content using external standard calibration and specific GC column optimized for low-boiling alcohols. |
Technical Specifications of (-)-Dimethyl D-tartrate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=99.0% (GC-MS) |
| Optical Rotation | -22.0 to -20.0 deg (c=1, in methanol) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.5% |
| Melting Point | 47 to 49 °C |
| Identification (NMR) | Conforms to reference spectrum |
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 (-)-Dimethyl D-tartrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (-)-Dimethyl D-tartrate
Packaging of (-)-Dimethyl D-tartrate
Industrial (-)-Dimethyl D-tartrate 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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