(+)-Diisopropyl L-tartrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2217-15-4 |
| Product name | (+)-Diisopropyl L-tartrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeIndustrial GradeSpecialty GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 (+)-Diisopropyl L-tartrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (+)-Diisopropyl L-tartrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (+)-Diisopropyl L-tartrate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate | Used in the synthesis of chiral pharmaceutical intermediates, such as certain β-lactam antibiotics |
| Chemical Industry | Synthetic Reagent | Employed as a chiral auxiliary for constructing chiral centers in asymmetric synthesis |
| Food Industry | Food Additive | Applied as an antioxidant or flavor enhancer in food products |
| Pesticide Industry | Intermediate | Used in the synthesis of chiral pesticide intermediates |
| Research | Laboratory Research | Utilized in research on chiral recognition and separation technologies |
Manufacturing Quality Control of (+)-Diisopropyl L-tartrate
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and clarity under natural light or standard illumination. It should appear as a colorless to slightly yellow transparent liquid, free of visible impurities. |
| Identification | Infrared Spectroscopy (IR) Proton Nuclear Magnetic Resonance (¹H NMR) |
Compare characteristic absorption peaks in IR spectra (e.g., C=O, C–O functional groups), or analyze chemical shifts and integration ratios in ¹H NMR to confirm whether the compound structure matches that of L-(+)-diisopropyl tartrate. |
| Content Determination | Gas Chromatography (GC) High-Performance Liquid Chromatography (HPLC) |
Use GC or HPLC with an appropriate internal or external standard for quantification. Typically, capillary columns (GC) or C18 reversed-phase columns (HPLC) are employed under optimized conditions to separate components and calculate peak areas, ensuring purity ≥98.0% (or other specified limit). |
| Specific Rotation | Polarimetry | Determine the optical rotation using a polarimeter at a specified temperature (usually 20°C) and wavelength (sodium D line, 589 nm). Calculate the specific rotation, which should fall within the theoretical range for the L-(+)-configuration (e.g., [α]D²⁰ = +7° to +9°, depending on official standards). |
| Water Content | Karl Fischer Titration | Perform Karl Fischer titration using either the volumetric or coulometric method to precisely determine moisture content. Typically, the requirement is ≤0.5%. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Following ICH Q3C guidelines, use headspace sampling combined with GC-FID to detect and quantify common organic solvent residues (e.g., acetone, isopropanol, toluene), ensuring compliance with established limits. |
| Acid Value/Acidity | Acid-Base Titration | Titrate the free acid in the sample using standardized sodium hydroxide solution with phenolphthalein as indicator. Calculate the acid value (mg KOH/g) to control levels of hydrolysis by-products. |
| Heavy Metals | Thioacetamide Method (or ICP-MS) | Conduct heavy metal testing according to general pharmacopeial procedures; typically, total heavy metals should be ≤10 ppm. For higher sensitivity requirements, use inductively coupled plasma mass spectrometry (ICP-MS) for precise quantification. |
Technical Specifications of (+)-Diisopropyl L-tartrate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless clear liquid |
| Purity | >=98.0% (GC-MS) |
| Optical Rotation | +16.3 to +16.6 (c=1, in CHCl3) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.425 to 1.435 |
| Relative Density (20°C/25°C) | 1.045 to 1.055 g/cm³ |
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 (+)-Diisopropyl L-tartrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (+)-Diisopropyl L-tartrate
Packaging of (+)-Diisopropyl L-tartrate
Industrial (+)-Diisopropyl L-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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