D(-)Prolinol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 68832-13-3 |
| Product name | D(-)Prolinol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 D(-)Prolinol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D(-)Prolinol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D(-)Prolinol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of chiral drug intermediates | Applied in asymmetric synthesis and chiral catalysis |
| Pesticides | Production of high-efficacy, low-toxicity pesticides | Applied in chiral resolution and chemical modification |
| Chemical manufacturing | Research and development of chiral chemicals | Applied in stereoselective reactions |
| Materials science | Development of functional polymeric materials | Chiral monomer incorporation in polymerization reactions |
| Food additives | Synthesis of chiral food additives | Applied in biocatalytic transformation |
Manufacturing Quality Control of D(-)Prolinol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies D-prolinol content by separation on a chiral or polar capillary column and flame ionization detection. |
| Enantiomeric Purity | Chiral Gas Chromatography (cGC) or Chiral HPLC | Resolves D- and L-enantiomers using a chiral stationary phase; peak area ratio determines enantiomeric excess. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine reacts stoichiometrically with water; current measurement determines water mass. |
| Residue on Ignition | Gravimetric Analysis | Sample is ignited at 700-800 C to oxidize organic matter; inorganic residue is weighed after cooling. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet digestion | Digestion converts metals to soluble salts; AAS measures absorbance of ground-state atoms at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) or Potentiometric Titration | Separates and quantifies chloride ions via conductivity detection (IC) or silver nitrate titration with endpoint detection. |
| Sulfate Impurity | Ion Chromatography (IC) or Barium Sulfate Gravimetry | IC separates sulfate anions for conductivity-based quantification; gravimetry precipitates as BaSO4 and weighs residue. |
| Appearance | Visual Inspection against Standard White Background | Assesses physical state, color, and clarity by direct observation under controlled lighting and background. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light induced by chiral molecules in solution at specified concentration and path length. |
| pH (10% w/v aqueous solution) | pH Meter with Calibrated Electrode | Determines hydrogen ion activity in aqueous solution using glass/reference electrode pair and NIST-traceable calibration. |
| Related Substances | Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) | Separates and quantifies structurally related impurities using C18 column and UV detection at 200-220 nm. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatiles are equilibrated in headspace vial; GC-FID detects and quantifies solvents based on retention time and peak area. |
Technical Specifications of D(-)Prolinol
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Optical Rotation | -33.0 to -29.0 deg (c=1, in methanol) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.465 to 1.475 |
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 D(-)Prolinol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of D(-)Prolinol
Packaging of D(-)Prolinol
Industrial D(-)Prolinol 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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